kitio.aiReply.io vs Warmbox
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Reply.io starts at See pricing page and Warmbox starts at $19/mo. Check both pricing pages for current plans.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Multichannel sequences
- Jason AI SDR
- Contact database
- Email warmup
- CRM integrations
- Inbox warm-up
- Automated interactions
- Auto-reply
- Spam removal
- SMTP support
- Multi-provider support
| Feature | Reply.io | Warmbox |
|---|---|---|
| Best for | Multichannel sales engagement with Jason, an AI SDR | Email warm-up that builds inbox reputation for cold outreach |
| Category | Sales | Sales |
| Pricing model | Free trial | Paid |
| Starting price | See pricing page | $19/mo |
| Free plan | No, 14-day trial | No |
| Made by | Reply | Warmbox |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Reply.io starts at See pricing page and Warmbox starts at $19/mo. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Solo
$19/mo
- 1 inbox
- 50 emails a day
- 1 team member
Start-up
$79/mo
- 3 inboxes
- 250 emails a day
- 3 team members
Growth
$159/mo
- 6 inboxes
- 500 emails a day
- 6 team members
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Reply.io
- Many channels
- AI SDR included as an option
- Flexible plans
- Interface can be confusing
- AI SDR costs extra
Warmbox
- Works with many email providers
- Any inbox can be added over SMTP
- Same features on every plan
- Priced per inbox
- No free plan listed
- Does not send your outreach itself
Which one should you choose?
Choose Reply.io if you want:
- Many channels
- AI SDR included as an option
- Flexible plans
Watch out: interface can be confusing.
Choose Warmbox if you want:
- Works with many email providers
- Any inbox can be added over SMTP
- Same features on every plan
Watch out: priced per inbox.
Reply.io vs Warmbox FAQ
What is the difference between Reply.io and Warmbox?
Reply.io: Multichannel sales engagement with Jason, an AI SDR. Warmbox: Email warm-up that builds inbox reputation for cold outreach. Both are sales tools.
Is Reply.io or Warmbox cheaper?
Reply.io starts at See pricing page and Warmbox starts at $19/mo. Check both pricing pages for current plans.
Do Reply.io and Warmbox have free plans?
Reply.io: No, 14-day trial. Warmbox: No.
Who makes Reply.io?
Reply.io is made by Reply, based in United States.
Who makes Warmbox?
Warmbox is made by Warmbox.
Which should I choose, Reply.io or Warmbox?
Choose Reply.io if you value many channels and ai sdr included as an option. Choose Warmbox if you value works with many email providers and any inbox can be added over smtp.