Callr vs Mailchimp
| Callr | Mailchimp | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | €599/mo | Free |
| Open source | No | No |
| Platforms | Web | Web, iOS, Android |
| Free plan | No | Yes |
Both are listed in Best Transactional SMS Software. On The Geeks Club, Mailchimp scores higher on our published basis.