Go from Instantly to Warmbly
The job: Cold email outreach (Email sequences with follow-ups, Unlimited email accounts with inbox rotation, Unlimited email warmup, Unibox (replies from all accounts)). Pick where you are today and where you want to land; the move below follows your pick.

Every way to do this job · pick one
Switch app
Open source
The money
$47/mo today , then $29/mo
Instantly Growth
Modeled from public list prices, with your time at $50 an hour. Show the math
Does it do the job? 4 of 4 covered
- Covered: Email sequences with follow-ups
- Covered: Unlimited email accounts with inbox rotation
- Covered: Unlimited email warmup
- Covered: Unibox (replies from all accounts)
The work
- Setup
- About 1 h
- Upkeep
- None
- Watch out
- Check first: You only rely on: Email sequences with follow-ups, Unlimited email accounts with inbox rotation, Unlimited email warmup…
Make the move in four steps
Export from Instantly
Leads from the CRM, email account lists, campaign analytics and sending activity, and blocklist entries. Format: CSV (campaign analytics also as JPG)
Export stepsSet up Warmbly
Suits senders under about 150 emails a day (4,500 a month) for $29 a month, with teammates at no extra charge.
DetailsSwitch links and integrations
Point links, embeds and integrations at Warmbly, then send a test through every one.
Cancel Instantly
Turn off renewal before your renewal date, once the new setup works. Access runs until: Email Outreach and Instantly Credits: the end of the billing cycle….
How to cancel Instantly
The whole recipe: 4 ways out, best first
What you use
- Email sequences with follow-ups
- Unlimited email accounts with inbox rotation
- Unlimited email warmup
- Unibox (replies from all accounts)
Not covered
- A/Z testing
- B2B lead database (Instantly credits, sold separately)
- API and integrations
Check before switching
- You only rely on: Email sequences with follow-ups, Unlimited email accounts with inbox rotation, Unlimited email warmup, Unibox (replies from all accounts)
- Export your data from Instantly before canceling
Agents: get_recipe("replace-instantly") on the Stackcut MCP server.
4 ways out, best first
How we got this
| You pay now: Instantly Growth | flat price | $47/mo |
|---|---|---|
| New cost: Hunter (free tier) | free plan | $0/mo |
| Difference each month | $47 − $0 | +$47/mo |
| Over 12 months | +$47 × 12 | +$564 |
| Setup, once | 1 h × $50/h | −$50 |
| Year one | +$564 − $50 | +$514 |
- Not counting your time (1 h in year one): saves $564 in year one.
Year one = 12 × (what you pay now − the new cost − upkeep) − setup, with your time at $50/hour. Prices are public list prices; hours are Stackcut’s planning estimates. Price it for your team
How we got this
| You pay now: Instantly Growth | flat price | $47/mo |
|---|---|---|
| New cost: Warmbly | Starter plan | $29/mo |
| Difference each month | $47 − $29 | +$18/mo |
| Over 12 months | +$18 × 12 | +$216 |
| Setup, once | 1 h × $50/h | −$50 |
| Year one | +$216 − $50 | +$166 |
- Not counting your time (1 h in year one): saves $216 in year one.
Year one = 12 × (what you pay now − the new cost − upkeep) − setup, with your time at $50/hour. Prices are public list prices; hours are Stackcut’s planning estimates. Price it for your team
How we got this
| You pay now: Instantly Growth | flat price | $47/mo |
|---|---|---|
| New cost: Smartlead | Base plan | $39/mo |
| Difference each month | $47 − $39 | +$8/mo |
| Over 12 months | +$8 × 12 | +$96 |
| Setup, once | 1 h × $50/h | −$50 |
| Year one | +$96 − $50 | +$46 |
- Not counting your time (1 h in year one): saves $96 in year one.
Year one = 12 × (what you pay now − the new cost − upkeep) − setup, with your time at $50/hour. Prices are public list prices; hours are Stackcut’s planning estimates. Price it for your team
How we got this
| You pay now: Instantly Growth | flat price | $47/mo |
|---|---|---|
| New cost: Warmbly | a small server (modeled) | $5/mo |
| Your upkeep time | 2 h/mo × $50/h | $100/mo |
| Difference each month | $47 − $5 − $100 | −$58/mo |
| Over 12 months | −$58 × 12 | −$696 |
| Setup, once | 4 h × $50/h | −$200 |
| Year one | −$696 − $200 | −$896 |
- Not counting your time (28 h in year one): saves $504 in year one.
Year one = 12 × (what you pay now − the new cost − upkeep) − setup, with your time at $50/hour. Prices are public list prices; hours are Stackcut’s planning estimates. Price it for your team
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