Constant Contact vs Customer.io
| Constant Contact | Customer.io | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | $100/mo |
| Open source | No | No |
| Platforms | Web, Android | Web, iOS, Android |
| Free plan | No | No |
| Subscriber limit | 500 contacts | — |
| Monthly send limit | 5,000 emails/mo | — |
| Email automation | Yes | Yes |
| Audience segmentation | Yes | — |
| Landing pages | Yes | — |
| A/B testing | Yes | — |
| Native integrations | 300 integrations | — |
| Paid from | — | 100 /mo |
Both are listed in Best Email Marketing Software. On Samsung Mobile US Press, Constant Contact scores higher on our published basis.