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Best Realm Alternatives in 2026

Updated

20 tools from mobile databases ranked against Realm on the same published basis.

  1. 1
    Hive Free plan AndroidapiiOSLinuxMac $5/mo8.1
    Realm vs Hive
  2. 2
    Espresso Free plan AndroidiOSLinuxMacWeb Free7.8
    Realm vs Espresso
  3. 3
    ObjectBox Free plan AndroidapiiOSLinuxMac Free7.8
    Realm vs ObjectBox
  4. 4
    Ditto Free plan AndroidiOSLinuxMacWin Free7.7
    Realm vs Ditto
  5. 5
    Firestore Free plan AndroidapiiOSWeb Free7.7
    Realm vs Firestore
  6. 6
    RxDB Free plan AndroidapiiOSLinuxMac $99/mo7.7
    Realm vs RxDB
  7. 7
    Drift AndroidextensioniOSLinuxMac 7.5
    Realm vs Drift
  8. 9
    SQLDelight Free plan AndroidapiiOSLinuxMac Free7.5
    Realm vs SQLDelight
  9. 10
    TBase Free plan AndroidiOSLinuxMacself-hosted Free7.5
    Realm vs TBase
  10. 11
    WCDB Free plan AndroidiOSLinuxMacWin Free7.4
    Realm vs WCDB
  11. 12
    Firebase Cloud Messaging Free plan AndroidapiextensioniOSWeb Free7.2
    Realm vs Firebase Cloud Messaging
  12. 13
    Isar Free plan AndroidiOSWeb Free7.2
    Realm vs Isar
  13. 14
    LiteDB Free plan AndroidapiiOSLinuxself-hosted Free7.2
    Realm vs LiteDB
  14. 15
    Couchbase Lite AndroidapiiOSLinuxWeb 7.0
    Realm vs Couchbase Lite
  15. 16
    Parse Platform AndroidapiiOSLinuxself-hosted 7.0
    Realm vs Parse Platform
  16. 17
    SQLite.swift Free plan iOSLinuxMac Free7.0
    Realm vs SQLite.swift
  17. 18
    EMBA Free plan Linuxself-hosted Free6.6
    Realm vs EMBA
  18. 19
    WatermelonDB WebWiniOSAndroid 6.3
    Realm vs WatermelonDB
  19. 20
    Sparksee WinMacLinuxiOSAndroid 6.1
    Realm vs Sparksee
  20. 21
    CloudKit WebiOSMac 6.0
    Realm vs CloudKit

Realm alternatives compared

#ToolScoreFree planFromRuns on
1Hive8.1Free plan$5/moAndroid, API, iOS, Linux, Mac, Web, Windows
2Espresso7.8Free planFreeAndroid, iOS, Linux, Mac, Web
3ObjectBox7.8Free planFreeAndroid, API, iOS, Linux, Mac, self-hosted, Windows
4Ditto7.7Free planFreeAndroid, iOS, Linux, Mac, Windows
5Firestore7.7Free planFreeAndroid, API, iOS, Web
6RxDB7.7Free plan$99/moAndroid, API, iOS, Linux, Mac, self-hosted, Web, Windows
7Drift7.5No—Android, Browser, iOS, Linux, Mac, Web, Windows
9SQLDelight7.5Free planFreeAndroid, API, iOS, Linux, Mac, Web, Windows
10TBase7.5Free planFreeAndroid, iOS, Linux, Mac, self-hosted, Windows
11WCDB7.4Free planFreeAndroid, iOS, Linux, Mac, Windows
12Firebase Cloud Messaging7.2Free planFreeAndroid, API, Browser, iOS, Web
13Isar7.2Free planFreeAndroid, iOS, Web
14LiteDB7.2Free planFreeAndroid, API, iOS, Linux, self-hosted, Windows
15Couchbase Lite7.0No—Android, API, iOS, Linux, Web, Windows
16Parse Platform7.0No—Android, API, iOS, Linux, self-hosted, Web
17SQLite.swift7.0Free planFreeiOS, Linux, Mac
18EMBA6.6Free planFreeLinux, self-hosted
19WatermelonDB6.3No—Web, Windows, iOS, Android
20Sparksee6.1No—Windows, Mac, Linux, iOS, Android
21CloudKit6.0No—Web, iOS, Mac
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Questions about Realm alternatives

What is the best alternative to Realm?

Hive, number 1 in mobile databases with a score of 8.1 out of 10. The others here: Espresso, ObjectBox, Ditto and 16 more.

What is the best free alternative to Realm?

Hive 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 on what each maker publishes, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing.