Folderly vs Warmup Inbox: Which Should You Choose in 2026?
Both prices below were read from each vendor's own pricing page on the date shown.
Pricing side by side
| Plan | Folderly | Warmup Inbox |
|---|---|---|
| tier 1 | Free — 2 tests a month, real-time alerts | $15 — Per inbox — 75 warmup messages a day |
| tier 2 | $79/mo — 100 tests a month | $49 — Per inbox — 250 warmup messages a day |
| tier 3 | $96/mo — Per mailbox a month; yearly billing saves 20% | $79 — Per inbox — 1,000 warmup messages a day |
read from both vendors' pricing pages · 20 Aug 2026 · how we verify
Choose Folderly if
- Teams that need a one-off deliverability audit rather than a subscription
- Anyone diagnosing why mail lands in spam before buying a warmup tool
Choose Warmup Inbox if
- Teams sizing a sending fleet — cost scales linearly with inbox count
- Anyone tired of demo-gated deliverability pricing; this one states it plainly
Where each one disappoints
Folderly
- Buyers wanting one bill — the products are priced and sold separately
Warmup Inbox
- Large fleets on the top tier — $79 per inbox multiplies fast across twenty domains
Compiled by Stepan Noianov from both vendors' own sites. Something wrong? Report an inaccuracy.