Instantly vs Smartlead (2026): Client Logins or One Shared Portal?

On this page 12 sections

What do Instantly and Smartlead cost at 5, 20, 50 and 150 mailboxes?

Per both vendors’ pricing pages on October 25, 2026, Smartlead costs $8 a month less than Instantly at 5 mailboxes and stores twice the contacts; at 20 and 50 mailboxes the two are $3 apart billed monthly, and at 150 the cheaper one depends on how often you delete finished campaigns.

Both columns use the same three inputs; the last two are our assumptions:

• 30 campaign emails per mailbox a day, Instantly’s recommendation¹³. The Smartlead pages we read give figures only for mailboxes bought through SmartSenders, such as “We caution you from sending beyond 20 emails per day per inbox” for InfraInbox’s Outlook mailboxes (SmartSenders FAQ³⁵, October 25, 2026).
• 22 sending days a month, as in our example outreach stacks.
• A three-step sequence, so each month brings one new contact for every three emails sent.

Each cell names the plan that covers the emails, its contact cap and how long that cap lasts if you never delete a finished campaign.

List prices from each vendor’s pricing page¹ and pricing file, October 25, 2026, in US dollars before tax. A yearly price is the monthly equivalent of paying for 12 months at once. Fill times assume no contact sits in two campaigns. Mailboxes, domains and promotions are left out. Under 5 mailboxes, both entry plans still apply: Growth covers 5,000 emails a month, Base 6,000.

At 20 emails a day instead of 30, 150 mailboxes send 66,000 emails a month, which fits Smartlead Pro’s 90,000, though its 30,000 contacts would fill in about six weeks.

Instantly’s yearly Outreach prices are about 20% below monthly, and its pricing file² lists the $87 contact add-on only as a monthly price.

Smartlead’s pricing file¹⁸ says yearly billing saves 17% and lists the yearly prices to the cent ($32.50, $78.30 and $144.50 a month); this page uses the whole-dollar prices on the yearly cards of Smartlead’s pricing page¹⁷, as rendered on October 25, 2026.

Instantly’s own pages differ on one figure here. Its pricing page lists Hypergrowth at 125,000 emails a month on its plan cards, but its feature table, FAQ and Scale bundle card on the same page still say 100,000 (read October 8, 18 and 25, 2026), while its pricing file and plan comparison⁵ also say 125,000, which this page uses.

Smartlead’s FAQ page¹⁹, which put Pro at 150,000 emails a month on October 3, 2026, was rewritten by October 17 and now matches its pricing page at 90,000 (read October 18, 2026).

For Instantly’s other charges, priced setup by setup, see what Instantly costs for common setups; its other conflicting figures are under where Instantly’s own pages disagree.

If you’d rather buy mailboxes from the vendor (list prices, October 25, 2026):

• Instantly: $5 a month for a done-for-you Google account ($10 pre-warmed, $4 for its own Airmail accounts), plus $15 a year per domain (pricing file²).
• Smartlead SmartSenders: $4.50 a month for a fresh Google mailbox ($9 pre-warmed, $3.99 to $5 from other providers), plus $13 to $19 a year per domain (pricing page¹⁷).

Neither set of mailboxes moves to another tool. Instantly’s terms¹⁶ (section 4.6(g)) give you no “right to transfer, port, migrate, or take control of” its sending infrastructure, and Smartlead’s SmartSenders FAQ³⁵ says they “can’t be transferred and used outside of Smartlead.”

The same FAQ says SmartSenders domains run a fixed 12-month term with no renewal, and its mailboxes are billed until you delete them. Mailboxes in your own Google Workspace or Microsoft 365 account aren’t tied to either tool (see setting up Google Workspace or Microsoft 365 mailboxes).

Ten clients: separate Instantly workspaces or Smartlead client logins?

Per both vendors’ pricing pages and workspace guides on October 25, 2026, ten clients who each need a private login cost $384 a month on Smartlead Pro, with ten $29 logins, against $970 for ten Instantly Hypergrowth workspaces; if clients can share one portal, one $97 Instantly workspace is cheapest.

On Instantly, a client who should see only their own campaigns needs their own workspace, and each workspace requires its own subscription⁷ (see how Instantly bills an agency per client).

Smartlead’s pricing page¹⁷, pricing file and FAQ page¹⁹ put client logins on Pro at $29 a month each (read October 3, 18 and 25, 2026; on October 3 the FAQ said one client was free).

Its comparison page against lemlist²⁰ still said “$29/client, 1 free on Pro” on October 25, 2026, and its client-access article²⁸ offers client logins “without costing you a single dollar extra” with no plan or price named, so if a free login changes your sums, ask Smartlead to confirm the fee in writing before you sign up.

Instantly’s plan comparison leaves its agency view out of the trial. Smartlead’s help center²⁵ says its trial leaves out only white labeling, yet when an AI assistant in the owner’s trial account clicked “+ Add Client” on October 3, 2026, the subscription page opened instead of a client form.

The setup below is ten clients with five mailboxes each (the 50-mailbox row of the cost table), with the agency bringing its own leads. The Smartlead rows with logins count $29 for every client, the price in Smartlead’s pricing file¹⁸.

List prices checked October 25, 2026, US dollars before tax. *Smartlead doesn’t publish a yearly price for client logins, so the $29 is counted as-is. Unlimited Prime ($379) includes 3 clients and three dedicated servers (pricing file¹⁸); with 7 more clients at $29 it’s $582 ($518 yearly).

• Instantly’s limits are per workspace: 25,000 contacts and 125,000 emails a month, so the shared workspace splits them across all ten clients.
• Smartlead’s limits are one allowance for all ten clients: 30,000 contacts and 90,000 emails on Pro, or no contact cap and 150,000 emails on Unlimited Smart.
• At this volume Pro’s contacts fill in about 12 weeks unless you delete finished campaigns; Unlimited Smart removes that chore for $80 more.
• With no client login at all, Smartlead Pro is cheapest billed monthly ($94 against $97), and the shared Instantly workspace billed yearly ($77.60 against $78, on Instantly’s yearly cards¹).
• Instantly Growth ($47) can’t replace Hypergrowth in any of these setups, because it has no agency view or team invites⁵.

Branding and client controls work differently too:

• Branding on Instantly (Hypergrowth and Light Speed): you set up the branded address yourself with a CNAME record and hand each client their invite link, because Instantly doesn’t email them⁹.
• Branding on Smartlead (from Pro): white labeling runs through support³⁰, where you send your subdomain and add the TXT and CNAME records they give you, and each client you create gets an email³¹ with their login details.
• Controls. Smartlead lets you²⁸ choose which reply categories a client can’t see and cap each client’s lead and email credits²⁷. Instantly lets you choose which sections a portal client sees: Campaigns (view or edit), Unibox, Analytics, CRM or Blocklist.

How do Instantly and Smartlead count the contacts you store?

As of October 25, 2026, Smartlead counts each email address once across all your campaigns and Instantly counts it once per campaign, per Smartlead’s²⁶ and Instantly’s⁶ help centers, so the same person in two campaigns takes one Smartlead slot and two Instantly slots.

From Instantly’s uploaded-contacts guide⁶, Smartlead’s active-leads article²⁶ and both pricing pages, checked October 25, 2026. Instantly’s rules in more detail: does Instantly’s contact limit reset?

On October 14, 2026 (Japan time), an AI assistant in the owner’s Smartlead trial ran the same check: one address uploaded to two draft campaigns left Contact Storage at 1 of 1,250, and Smartlead’s CSV import, on its default settings, didn’t skip the copy in the second campaign.

The difference matters most if you re-use people: a follow-up campaign to everyone who didn’t reply, or the same list sent a new offer next quarter. On Instantly each re-run takes another slot (or is skipped by the import’s default duplicate check); on Smartlead it doesn’t.

If you only ever email a contact in one campaign and delete it when the sequence ends, the two rules come out the same, and the cost table above is what you’ll pay.

What “unlimited mailboxes” means on each

Both vendors say every plan includes unlimited email accounts, and both attach conditions on a different page:

• Instantly: its warmup-pool help page¹⁴ keeps at most 100 SMTP accounts in the standard pool on Growth, 500 on Hypergrowth and 1,000 on Light Speed (+500 per add-on).
• Past Instantly’s cap, the whole workspace drops to the Basic Warmup Pool, Google and Outlook accounts too, and the same page calls the basic pool weaker for deliverability.
• Smartlead: its Fair Use Policy³⁸ (dated February 1, 2026) applies “even by those Users who have subscribed to an unlimited plan” and counts setting up mailboxes in a way that “subverts the reasonable and acceptable use of the Service” as excessive use, with no mailbox number (read October 25, 2026).
• Smartlead’s numbers came out: on October 3, 2026 the same policy listed 100 mailboxes on “Basic”, 300 on “Popular” and 800 on “Pro”; by October 25 those lines were gone and its date unchanged, and its terms³⁷ let Smartlead “put reasonable restrictions on volume limits on your use of the Mailbox Services”.

What do Instantly’s credits and Smartlead’s SmartProspect add to the bill?

Lead data costs extra on both entry plans: Instantly sells credits as their own subscription on every plan (its pricing file), while Smartlead’s pricing page¹⁷ sells SmartProspect as a $59-a-month add-on on Base and Pro and includes it on Unlimited Smart and Prime (October 25, 2026).

Monthly list prices, October 25, 2026. Instantly’s pricing file² puts a work-email lookup at about 1.5 credits a row, so 11,000 new contacts need about 16,500 credits, more than the 10,000 that Hyper credits starts with; Instantly’s credit-system article³ (updated October 23, 2026) prices the next tier, Hyper credits 2, at $300 a month for 20,000, which would make that row $397.

A verified email costs 1 Instantly credit when Instantly finds it itself and 2 or more when a data partner supplies it (its waterfall-enrichment guide¹⁰); the rest is under what an Instantly credit buys.

Instantly claims 450M+ B2B leads on its pricing page¹ and in its Lead Finder guide¹¹ (read October 25, 2026; the guide said 610M+ on October 18), while Smartlead’s SmartProspect guide³² claims 300M+ verified business profiles and a Smartlead blog post²¹ 750M+ verified contacts. These are the vendors’ own counts; we haven’t compared their coverage or accuracy.

Smartlead’s SmartProspect guide calls the add-on “available as an add-on to any Smartlead plan,” while its pricing page and FAQ page include the allowance on Unlimited Smart and Prime; the table follows the pricing page (read October 3, 18 and 25, 2026), as our Smartlead pricing guide does wherever Smartlead’s pages disagree.

For the ten-client agency above, SmartProspect adds $59 to the Pro setups and nothing to Unlimited Smart, which includes 50,000 verified prospect emails (Smartlead’s pricing file¹⁸). On Instantly, either setup needs a credits plan on top of Outreach, so its $97 and $970 totals go up.

Is Instantly or Smartlead better for deliverability?

As of October 25, 2026, Instantly’s and Smartlead’s pages include no inbox-placement comparison with a stated method, and we haven’t run one, so this page doesn’t rank them; it compares what each vendor documents and charges for.

Checked October 25, 2026, on both pricing pages, Instantly’s plans overview⁴, Smartlead’s pricing-plans article²², Instantly’s account-limits article¹³ and Smartlead’s SmartSenders FAQ³⁵. Both pricing pages show customer performance figures (Instantly’s “30% higher inbox placement”; Smartlead’s case studies citing reply rates), and neither describes a method. The daily-volume row was re-read on October 18 and 25, 2026 (Instantly’s limits article, now updated October 22, and Smartlead’s SmartSenders FAQ).

Much of inbox placement depends on things you control on either tool: your domains, authentication, list quality and volume (see how warmup and ramp-up work). If you want to compare the two yourself during the trials:

1. Use a secondary domain. Set up the same kind of mailboxes (for example, two Google Workspace accounts) on a domain you don’t use for normal mail, with SPF, DKIM and DMARC in place.
2. Warm up before sending. Instantly’s trial connects 2 accounts; Smartlead’s has no mailbox cap. Keep the number equal so the comparison is fair.
3. Send only to addresses you control. Seed inboxes at Gmail, Outlook and Yahoo tell you where mail lands without emailing prospects from a trial.
4. Read the results outside both tools. Check the seed inboxes and Google Postmaster Tools (see monitoring your sender reputation), then compare with Instantly’s two free placement tests. Fourteen days leaves little time for warmup, so treat what you see as a rough signal, not a verdict.

What do the free trials, refunds and cancellations allow?

As of October 25, 2026, Instantly and Smartlead both run 14-day trials with no card; after you pay, Instantly’s terms allow no refund while Smartlead’s help center allows one, with exclusions, within 7 days of a first payment.

Both let you cancel an outreach plan in your account and keep the paid period, Smartlead on Base and Pro (Custom-plan users ask support), and Instantly ends a CRM or Inbox Placement plan at once if another plan stays active (Instantly¹⁵, Smartlead³⁴).

Smartlead’s trial allows more emails, stored contacts and mailboxes.

From each vendor’s terms (Instantly’s¹⁶, with Foo Monk, LLC, dated October 23, 2026; Smartlead’s SaaS Terms of Use³⁷, with 521 Products Pty Ltd, May 19, 2026) and help centers, read October 25, 2026. This summarizes published terms and isn’t legal or tax advice.

Both price in US dollars with tax added on top, though neither says which VAT or GST you’d pay at checkout. Instantly’s billing rules in full are under Instantly’s refunds, renewals and cancellation, and Smartlead’s under Smartlead’s tax, refunds and cancellation terms.

Instantly’s billing screen in the owner’s trial account, read by an AI assistant on September 30, 2026, with nothing sent or bought, showed a 1,250-email cap where its help article says 1,000 (see what Instantly’s free trial includes).

What do Instantly Growth and Smartlead Base leave out?

Per both pricing files and Instantly’s plan pages, October 25, 2026, Instantly Growth ($47) can’t answer replies from Instantly’s inbox, and neither Growth nor Smartlead Base ($39) includes webhooks, a CRM or client logins.

Past the entry plans, LinkedIn and calls cost extra on both tools: Instantly’s plans overview⁴ prices its CRM plans, Smartlead’s pricing file¹⁸ prices SmartDialer calls, and Smartlead’s blog names a LinkedIn add-on while its comparison page against lemlist describes LinkedIn as going “via HeyReach/Aimfox”, two outside tools.

• Replying from the inbox. Growth’s Unibox is preview-only; replying from it starts on Hypergrowth ($97), per Instantly’s pricing file². Smartlead’s pricing page and pricing file don’t list any plan limits for its Master Inbox.
• Webhooks, CRM and client logins. Smartlead’s pricing file¹⁸ lists all three from Pro ($94), while Instantly puts webhooks and its client portal on Hypergrowth ($97) and sells its CRM as a separate plan ($47 or $97 a month).

LinkedIn and calls cost extra on both. Instantly puts calls, SMS, tasks and LinkedIn connections in that separate CRM plan (plans overview⁴). Smartlead’s blog²¹ lists LinkedIn as an add-on that neither its pricing page nor its pricing file prices, and its calls run through SmartDialer, an add-on from $9 a month in credits.

lemlist publishes a full price for LinkedIn and calls: its Multichannel plan³⁹ includes LinkedIn automation and a built-in call dialer at $109 per user a month, billed monthly (October 25, 2026). That is more than twice either entry plan here, so it’s worth it only if you need those steps; see LinkedIn, calls and SMS on Instantly and lemlist.

For where a sending tool sits in the rest of your setup, see the sequencing layer of a cold outreach stack.

How we compared

If you’re still choosing, see which tool runs LinkedIn and call steps in the same sequence, or Instantly’s monthly cost for three typical setups, credits included.

FAQ

Why use Instantly instead of Smartlead?

Use Instantly instead of Smartlead when your clients can share one portal, since one Hypergrowth workspace ($97) then covers them where Smartlead charges $29 a client, or when one company sends 90,000 to 125,000 emails a month, where Hypergrowth ($97) undercuts Smartlead’s Unlimited Smart ($174) as long as its 25,000 contacts don’t fill (both pricing files, October 25, 2026).

On setup, Instantly documents a self-serve branded address (you add a CNAME record) while Smartlead’s white labeling runs through its support team; see the agency section.

Is Smartlead worth it?

Smartlead is worth it when its two rules work for you: a private login for each client at $29 a month on Pro, and a contact counted once however many campaigns it’s in (its pricing page and help center, October 25, 2026). If your clients can share one portal, Instantly’s single workspace costs less; the agency section totals both for ten clients.

Which plan do you need to add teammates?

Per Instantly’s plan comparison and Smartlead’s team-members article (October 25, 2026), adding teammates takes Hypergrowth ($97) on Instantly’s Outreach plans (its CRM plans also allow invites) or Pro ($94) on Smartlead, and neither charges per mailbox.

Instantly prices each plan flat per workspace and puts team invites on Hypergrowth and Light Speed in its plan comparison⁵. Its workspace guide also allows invites on the CRM plans, which its CRM guide gives unlimited seats for a flat fee; neither guide says whether such a teammate can create or send campaigns.

Smartlead’s pricing file calls its prices “not per seat and not per mailbox,” and its team-members article allows unlimited teammates once you “Subscribe to the Pro plan, if you haven’t already.”

Smartlead’s comparison page against lemlist says seats are unlimited on all plans, so ask Smartlead before you count on a second login on Base.

Does either tool include API access on its entry plan?

Smartlead Base has no API, and Instantly’s pages disagree about Growth (October 25, 2026): its pricing file² and plan comparison⁵ include the API on Growth, while its pricing page’s feature table¹ lists “API, webhooks, and integrations” only from Hypergrowth.

If you’re buying Growth for the API, confirm with Instantly first; webhooks start on Hypergrowth on all three pages. Smartlead’s pricing file¹⁸ puts API and webhooks on Pro and above. Instantly’s other conflicts are under where Instantly’s own pages disagree.

Do the AI features cost extra?

Partly: Instantly’s built-in AI features come inside its Outreach plans, its AI agents and Copilot need a separate credits subscription, and Smartlead says its SmartAgents are free on every plan (October 18, 2026).

As of October 18, 2026, Instantly’s pricing file lists AI features inside its Outreach plans, the AI Sequence Writer and AI Spam Words Checker on Growth and the Deliverability AI Agent and AI Blocklist Triggers on Hypergrowth, while its AI agents and Copilot run on a separate credits subscription.

Instantly’s AI Sales and Reply Agents use 5 credits per lead or reply, and its Recruiting, Investment, User Research and Partnership Agents 5 credits per generated lead, from a credits plan bought on top of Outreach; the pricing file² says credits also power SuperSearch lookups and Copilot (credit-system article, updated October 23, 2026; what each credit tier costs).

Smartlead’s comparison page against lemlist²⁰ says SmartAgents are “included on all plans at no extra cost,” citing “natural human-AI writing patterns, dynamic sequences,” though they appear in neither the plans on its pricing page¹⁷ nor its pricing file (read October 18, 2026).

Is Smartlead or Instantly easier to set up?

We haven’t tested ease of use; what the two vendors document (October 25, 2026) differs in two places. Instantly’s agency branding is self-serve, a CNAME record and an invite link you send yourself, while Smartlead’s white labeling runs through its support team and Smartlead emails each client its login.

Their CSV imports also treat a contact already in another campaign differently, which changes what you pay for stored contacts; see how each counts the contacts you store.

Is Instantly a good company?

We don’t rate either company: we haven’t run live campaigns on either, so this page compares their published prices, limits and terms.

Instantly is run by Foo Monk, LLC and Smartlead by 521 Products Pty Ltd, per Instantly’s terms¹⁶ (updated October 23, 2026) and Smartlead’s³⁷ (May 19, 2026).

What you can check: Smartlead’s help center refunds a new customer on request within 7 days of paying, with exclusions, though its terms treat fees as non-refundable where the law permits, and Instantly’s terms allow no refund; Smartlead’s terms promise 30 days’ notice of a price rise, while Instantly’s allow one at the start of any renewal with no notice clause (see trials, refunds and cancellations).

In the owner’s Instantly trial on October 3, 2026, an AI assistant ran a CSV import, which skipped a duplicate address until its default duplicate check was switched off.

What’s better than Instantly or Smartlead?

If you need LinkedIn and call steps in one sequence, lemlist’s Multichannel plan includes both at $109 per user a month³⁹, billed monthly (lemlist’s pricing page, October 25, 2026); otherwise no tool beats both for every team, and the better pick depends on what you need that they lack (see LinkedIn, calls and SMS on Instantly and lemlist).

For lead data and sending from one tool, see Instantly vs Apollo; for cheaper email-only sending at your volume, see which tools send email-only campaigns for less.

Sources

1. Pricing - Plans for Outreach, Leads, and CRM — Instantly, monthly and yearly cards and feature table, accessed October 3, 8, 18 and 25, 2026
2. Instantly Pricing (pricing.md, the plain-text pricing file linked from the pricing page) — Instantly, accessed October 3 and October 8, 2026 (the file’s Last-Modified header changes daily)
3. Data Credit System — Instantly Help Center, updated October 23, 2026, accessed October 8, 18 and 25, 2026
4. Instantly Plans Overview — Instantly Help Center, updated October 23, 2026, accessed October 3, 18 and 25, 2026
5. Outbound Plans Comparison — Instantly Help Center, updated October 9, 2026, accessed October 3, 18 and 25, 2026
6. Uploaded Contacts Limits — Instantly Help Center, updated October 22, 2026, accessed October 3, 18 and 25, 2026
7. Manage Workspaces and Team Members — Instantly Help Center, updated October 20, 2026, accessed October 3, 18 and 25, 2026
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11. Lead Finder (formerly SuperSearch) — Instantly Help Center (lead-search guide), updated October 23, 2026, accessed October 3, 18 and 25, 2026 (610M+ on October 18, 450M+ on October 25)
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15. How to Cancel Your Subscription — Instantly Help Center, updated October 23, 2026, accessed October 3, 18 and 25, 2026
16. Terms of Service — Foo Monk, LLC (Instantly), last updated October 23, 2026 (the preamble and sections 4.6, 5.1–5.3 and 5.5, unchanged since the September 22 version read on October 3), accessed October 3 and 25, 2026
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35. SmartSenders FAQs and Troubleshooting: Everything You Need to Know — Smartlead Help Center, accessed October 3, 18 and 25, 2026 (cited for whether SmartSenders domains and mailboxes can be moved out of Smartlead, their 12-month term and billing, and the daily sending figures it gives for SmartSenders mailboxes)
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