Instantly vs Warmbly
| Instantly | Warmbly | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | Web | Web |
| Free plan | No | Yes |
| Email warm-up | Yes | Yes |
| Mailbox rotation | Yes | Yes |
| Multichannel outreach | Yes | — |
| Daily send limit | 30 /day | 100 /day |
| Reply detection | Yes | Yes |
| Personalization features | ai | ai |
Both are listed in Best Cold Email Software. On Specifiction, Warmbly scores higher on our published basis.