Software review
Instantly Review
Cold email at agency scale — deliverability infrastructure, not a newsletter tool.
Agencies running cold-email lead generation for local-service clients who need volume and deliverability infrastructure, not a nurture-sequence tool.
The tool for the lead-generation half of agency work, not the nurture half — a genuinely different job from Mailchimp or ActiveCampaign, and one we wouldn't try to force into the same tool. The warmup feature is the reason to use a dedicated cold-email platform instead of just sending from a regular inbox.
- From
- $47 / mo
- Free tier
- None
- Rating
- 3.9 / 5
Overview
Instantly is built for outbound to people who haven't opted in, which is a genuinely different discipline from nurture email — unlimited sending mailboxes with built-in warmup on every plan solve the deliverability problem that kills most cold-email efforts before it starts. Bundle tiers pair sending with a 450M+ B2B lead database and AI reply/sales agents. The pricing structure is genuinely confusing: outreach-only, credit-only and bundle plans overlap in ways that make tier comparison harder than it should be.
Best for
Agencies running cold-email lead generation for local-service clients who need volume and deliverability infrastructure, not a nurture-sequence tool.
Not for
Anyone doing permission-based newsletter marketing — this is built for outbound to people who haven't opted in, a genuinely different discipline with different deliverability risks.
How it performs
Each row is either our editorial view, drawn from using the product and reading around it, or a capability listed in the vendor’s own documentation — tagged so you know which. None of it is a controlled benchmark.
Unlimited mailboxes and built-in warmup remove the biggest cold-email deliverability headache without a separate tool
EEditor’s viewUnibox keeps replies from dozens of sending accounts in one place instead of scattered inboxes
EEditor’s viewBundle tiers pairing the lead database with sending remove a whole separate prospecting-tool line item
EEditor’s viewUnlimited sending mailboxes with built-in warmup on every plan
DDocsUnibox unified reply management across all connected inboxes
DDocsBuilt-in 450M+ B2B lead database (bundle plans)
DDocsAI-assisted reply and sales-agent features
DDocsPricing record
Captured from the vendor’s pricing page. Prices change — this is dated.
| Plan | Monthly | Notes |
|---|---|---|
| Growth | $47 | Unlimited email accounts + warmup, 1,000 uploaded contacts, 5,000 emails/month |
| Hypergrowth | $358 | 125,000 emails/month, premium live support |
| Agency (bundle) | $555 | 500,000 emails/month, 100,000 contacts, lead database, AI agents, dedicated IP infrastructure |
Vendors change plans often — confirm before you buy.
Sources: pricing and feature information captured from instantly.ai on 16 Sept 2026. Editor comments are our own judgement, not vendor statements.