Realm vs WatermelonDB
| Realm | WatermelonDB | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | Android, iOS, Linux, macOS, self-hosted, Windows | Web, Windows, iOS, Android |
| Mobile platforms | iOS, Android, Xamarin | iOS, Android |
| SDK languages | Java, Objective-C, JavaScript, Swift, Xamarin | JavaScript, TypeScript, React Native |
| Offline mode | — | Yes |
| Data synchronization | — | bidirectional |
| Conflict resolution | — | automatic |
Both are listed in Best Mobile Databases. On Samsung Mobile US Press, Realm scores higher on our published basis.