Confidence by Spotify vs Firebase Cloud Messaging
| Confidence by Spotify | Firebase Cloud Messaging | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | Yes | No |
| Paid from | $449/mo | Free |
| Open source | No | No |
| Platforms | Android, api, iOS, Web | Android, api, extension, iOS, Web |
| Free plan | Yes | Yes |
| Paid from | 449 /mo | — |
| Test types | A/B tests, rollouts | Remote Config experiments; messaging experiments; In-App Messaging experiments |
| Supported platforms | web_and_mobile | web_and_mobile |
| Server-side testing | Yes | — |
| Mobile SDK | Yes | Yes |
| Audience targeting | Yes | Yes |
| Feature flags | Yes | Yes |
Both are listed in Best A/B Testing Tools. On Freedom251, Confidence by Spotify scores higher on our published basis.