Firebase Cloud Messaging vs Otter
| Firebase Cloud Messaging | Otter | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | Android, api, extension, iOS, Web | Web |
| Free plan | Yes | No |
| Test types | Remote Config experiments; messaging experiments; In-App Messaging experiments | Split URL / Redirect, A/B/n, Content Personalization, WordPress Theme Test |
| Supported platforms | web_and_mobile | web |
| Mobile SDK | Yes | — |
| Audience targeting | Yes | Yes |
| Feature flags | Yes | No |
| Paid from | — | 49 /mo |
| Visual editor | — | Yes |
| Server-side testing | — | Yes |
Both are listed in Best A/B Testing Tools. On Inferse, Firebase Cloud Messaging scores higher on our published basis.