Instantly
PaidCold email platform with unlimited sending accounts, built-in warmup, 450M lead database, AI reply handling, and flat-fee pricing that does not scale per user.
What is Instantly?
Instantly is a cold outbound platform built around one core value proposition: unlimited email accounts and unlimited warmup included on every paid plan, priced flat by sending volume rather than per seat. That model means a 20-person sales team pays the same monthly rate as a solo founder on the same tier, which makes it one of the most cost-effective choices for scaling teams. The platform connects an unlimited number of Gmail or Outlook inboxes, runs a built-in warmup network of 4.2 million accounts to protect deliverability, and provides AI-generated email copy and AI reply detection that auto-categorizes incoming responses. A built-in lead database with 450 million verified B2B contacts is available as an add-on, reducing the need for a separate prospecting tool. Unibox consolidates replies from all sending accounts into one interface on Hypergrowth and above, while the CRM add-on handles pipeline tracking. Instantly is email-only with no native LinkedIn automation.
Key Features
Integrations
How to Use Instantly
✅ Best For
- Sales teams of 5 or more people where per-seat tools like lemlist or Apollo would cost 5 to 10 times as much for the same volume
- Agencies managing outbound for multiple clients, because unlimited accounts means no per-client inbox fees
- Solo founders and early-stage startups who need to reach 1,000 prospects a month without paying for expensive sequencer seats
- B2B companies whose main outbound channel is email and who want unlimited sending infrastructure without building it themselves
❌ Not For
- Teams needing native LinkedIn automation, calls, or true multichannel sequences, which require lemlist or Reply.io
- Marketers wanting a newsletter or broadcast email tool, since Instantly is built exclusively for cold outreach and 1-to-1 sequences
- Users who expect the full stack at the Growth entry price, since A/B testing, Unibox, and CRM all require Hypergrowth or higher
- Anyone unwilling to manage inbox infrastructure, because you still need to buy domains and set up Google Workspace or Outlook accounts separately
Reviews
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Pricing
- ✓Billed annually
- ✓5
- ✓000 emails/mo
- ✓1
- ✓000 contacts
- ✓unlimited inboxes and warmup
- ✓25
- ✓000 emails/mo
- ✓A/B testing
- ✓Unibox
- ✓advanced analytics
- ✓500
- ✓000 emails/mo
- ✓SISR dedicated servers
- ✓agency features
Prompts to Try
Generate a 4-step cold email sequence for SaaS HR managers under 80 words per email
Write three subject line variants for a webinar invitation targeting CFOs
Create a follow-up email for prospects who opened but did not reply in 3 days
Personalize the first line of this email using this LinkedIn headline data
Use Cases
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