Instantly vs Smartlead (2026): features, pricing, and why I switched
RJ, Founder, ZheatUpdated
Short answer
Instantly and Smartlead do the same core job: connect unlimited mailboxes, warm them up, and send cold email sequences at volume. Entry prices are almost identical ($47 vs $39 a month).
- Pick Instantly if you want a stable tool that does what it shows you. Expect to pay extra for leads, AI and CRM, which are all separate subscriptions.
- Pick Smartlead if you want more included in the plan (verified emails, contact storage, CRM) and an AI chat assistant that runs the app for you, and you can live with a less stable interface.
I ran campaigns on both. I now run everything on Instantly. The reason is at the end of this article.
Side-by-side
| Instantly | Smartlead | |
|---|---|---|
| Entry plan | Growth, $47/mo ($37.60 yearly) | Base, $39/mo ($32.50 yearly) |
| Entry limits | 5,000 emails, 1,000 contacts | 6,000 emails, 2,000 contacts |
| Mid plan | Hypergrowth, $97/mo: 125,000 emails, 25,000 contacts | Pro, $94/mo: 90,000 emails, 30,000 contacts |
| Scale plan | Light Speed, $358/mo: 500,000 emails, 100,000 contacts | Unlimited Smart, $174/mo: 150,000 emails, unlimited contacts. Unlimited Prime, $379/mo: 500,000 emails |
| Mailboxes | Unlimited on every plan | Unlimited on every plan |
| Warm-up | Unlimited, every plan | Every plan, pool quality depends on plan (Foundation, Growth, Premium) |
| Unified inbox | Preview only on Growth, full reply from Hypergrowth | Master Inbox |
| Lead database | SuperSearch, 450M+ contacts, separate credits plan from $9/mo | SmartProspect, 300M+ profiles. 50,000 verified emails/mo included on Unlimited Smart, 170,000 on Prime |
| AI | Copilot, AI Reply Agent, AI Sales Agent, all paid in credits (5 credits per reply or lead) | SmartAssistant chat copilot (all users since April 2026), SmartAgents workflows |
| CRM | Separate plan, $47 or $97/mo | Included from Pro |
| Webhooks / API | API on all plans, webhooks from Hypergrowth | API and webhooks from Pro |
| Dedicated IPs | SISR on Light Speed | SmartServers add-on, private infra on Prime |
| Placement testing | Inbox placement tests | SmartDelivery add-on from $49/mo |
| Done-for-you mailboxes | Google from $5/mo, pre-warmed $10/mo, domains $15/yr | SmartSenders, from about $4/mailbox/mo |
| Free trial | 14 days, no card | Yes, no card |
Instantly in more detail
What you get. Instantly's Outreach plan covers sending, warm-up, A/Z testing, an AI sequence writer, a spam word checker, analytics and scheduling. Every plan includes unlimited mailboxes and unlimited warm-up, so your cost doesn't rise as you add inboxes. On Hypergrowth you also get the Deliverability AI Agent, webhooks, full Unibox replies and blocklist triggers. Light Speed adds dedicated servers and IP rotation.
How the pricing really works. Instantly is modular. Outreach, Credits (leads and AI) and CRM are three separate subscriptions. The cheapest yearly bundle of all three is about $118 a month, not $37. Credits expire after two months on monthly plans. If you hit your plan's email limit, you upgrade. There is no pay-as-you-go overage.
Strengths. Stable interface. Analytics you can trust. Simple model: one tool, unlimited inboxes. Good done-for-you mailbox options if you don't want to set up Google Workspace yourself.
Weaknesses. Almost everything beyond sending is a separate charge. Replying from the unified inbox needs Hypergrowth. AI features eat credits on top of the plan.
Smartlead in more detail
What you get. Smartlead's plans bundle more: CRM access from Pro, and unlimited contact storage plus tens of thousands of verified emails a month on the Unlimited plans. Warm-up pools are tiered by plan, with the best pool on Unlimited Smart and Prime.
SmartAssistant. This is Smartlead's best feature. It's a chat panel on every page. You type what you want ("create a campaign for CTOs at B2B SaaS companies", "pause this campaign", "why are my replies down") and it does it or explains it. It can create campaigns, write sequences, add leads and change mailbox settings, and it asks before anything risky. It can't edit a sequence after it's created, and since June 2026 it has replaced the direct support chat.
Add-ons. Placement testing (SmartDelivery, from $49/mo), dedicated servers (SmartServers), mailboxes (SmartSenders), calling (SmartDialer) and client workspaces ($29 per client) are billed separately. Some reviewers report the warm-up pool as a $59/mo add-on on Base and Pro, so check it in your account.
Strengths. More included per dollar at the top end. The Unlimited Smart plan at $174 has no contact cap. SmartAssistant saves real time.
Weaknesses. A lot of new products shipped in a short time (SmartProspect, SmartAgents, SmartDialer, SmartInfra, SmartAssistant). In my experience that showed in the stability of the app.
Which one should you use?
- Starting out, one person, under 5,000 emails a month: either works. Smartlead Base gives you more contacts for less.
- Steady outbound, one company: Instantly Hypergrowth if stability matters most. Smartlead Pro if you want the CRM included.
- Agency or high volume: Smartlead Unlimited Smart is hard to beat on price per contact. Instantly Light Speed if you need dedicated IPs inside the tool.
- Whatever you pick: the tool matters less than the copy, the list and the infrastructure. Same tool, same mailboxes, I saw zero meetings from weak campaigns and all my meetings from one well-written campaign.
Why I left Smartlead for Instantly
I started on Smartlead. The AI assistant is genuinely great. You talk to it, it makes the change for you. Nobody else had that when I used it.
The problem was everything around it. The app was so buggy I couldn't trust what it showed me. When you can't trust your numbers, you can't make decisions on your campaigns, and in cold email that's the whole job. At some point I just lost my mind with it. My read is they pushed too many features at the same time, like everyone is doing right now, and stability paid the price.
Smartlead does one thing better: less upselling. Instantly is ridiculous with upsells. Leads, AI, CRM, every extra is another subscription, and that's a real pain.
I still moved to Instantly, because it's less buggy and it does what it says. I'd rather pay for an add-on than doubt my own dashboard. Today I run about two dozen Google Workspace mailboxes on around ten domains through Instantly, at 20 to 30 emails per mailbox per day, warm-up always on, open tracking off.
FAQ
Is Instantly or Smartlead cheaper? At entry level, Smartlead ($39 vs $47 a month). At scale, Smartlead Unlimited Smart ($174) includes unlimited contacts and verified emails. Instantly gets more expensive once you add Credits and CRM.
Do both include unlimited email accounts? Yes, on every plan.
Which has better AI? Smartlead's SmartAssistant is the better day-to-day assistant: it runs the app from a chat. Instantly's AI agents (reply and sales) are paid per use in credits.
Which is better for deliverability? Both include warm-up and both offer dedicated IPs on top plans. In my experience your domains, DNS, list quality and copy decide deliverability far more than the choice between these two.
Can I switch from Smartlead to Instantly? Yes. Reconnect your mailboxes, let warm-up run, export your leads and rebuild the sequences. Don't move mid-sequence if you can avoid it.