Best Realm Alternatives in 2026
Updated
20 apps from mobile databases ranked against Realm on the same published basis.
- 1Realm vs Espresso
- 2Realm vs Hive
- 3Realm vs RxDB
- 4Realm vs Ditto
- 5Realm vs ObjectBox
- 7Realm vs SQLDelight
- 8Realm vs WCDB
- 9Realm vs Firebase Cloud Messaging
- 10Realm vs Firestore
- 11Realm vs TBase
- 12Realm vs Isar
- 13Realm vs LiteDB
- 14Realm vs SQLite.swift
- 15Realm vs EMBA
- 16Realm vs Drift
- 17Realm vs Parse Platform
- 18Realm vs Sparksee
- 19Realm vs WatermelonDB
- 20Realm vs Couchbase Lite
- 21Realm vs FMDB
Realm alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Espresso | 6.8 | Free plan | Free | Android, iOS, Linux, Mac, Web |
| 2 | Hive | 6.8 | Free plan | $5/mo | Android, API, iOS, Linux, Mac, Web, Windows |
| 3 | RxDB | 6.8 | Free plan | $99/mo | Android, API, iOS, Linux, Mac, self-hosted, Web, Windows |
| 4 | Ditto | 6.7 | Free plan | Free | Android, iOS, Linux, Mac, Windows |
| 5 | ObjectBox | 6.7 | Free plan | Free | Android, API, iOS, Linux, Mac, self-hosted, Windows |
| 7 | SQLDelight | 6.7 | Free plan | Free | Android, API, iOS, Linux, Mac, Web, Windows |
| 8 | WCDB | 6.7 | Free plan | Free | Android, iOS, Linux, Mac, Windows |
| 9 | Firebase Cloud Messaging | 6.6 | Free plan | Free | Android, API, Browser, iOS, Web |
| 10 | Firestore | 6.6 | Free plan | Free | Android, API, iOS, Web |
| 11 | TBase | 6.6 | Free plan | Free | Android, iOS, Linux, Mac, self-hosted, Windows |
| 12 | Isar | 6.5 | Free plan | Free | Android, iOS, Web |
| 13 | LiteDB | 6.5 | Free plan | Free | Android, API, iOS, Linux, self-hosted, Windows |
| 14 | SQLite.swift | 6.5 | Free plan | Free | iOS, Linux, Mac |
| 15 | EMBA | 6.3 | Free plan | Free | Linux, self-hosted |
| 16 | Drift | 5.8 | No | — | Android, Browser, iOS, Linux, Mac, Web, Windows |
| 17 | Parse Platform | 5.7 | No | — | Android, API, iOS, Linux, self-hosted, Web |
| 18 | Sparksee | 5.4 | No | — | Windows, Mac, Linux, iOS, Android |
| 19 | WatermelonDB | 5.4 | No | — | Web, Windows, iOS, Android |
| 20 | Couchbase Lite | 5.3 | No | — | Android, API, iOS, Linux, Web, Windows |
| 21 | FMDB | 5.3 | No | — | iOS, Mac |
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Questions about Realm alternatives
What is the best alternative to Realm?
Espresso, number 1 in mobile databases with a score of 6.8 out of 10. The others here: Hive, RxDB, Ditto and 16 more.
What is the best free alternative to Realm?
Espresso is the best-ranked alternative with a free plan. 14 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.