Dev tools · alternatives · 2026

24 alternatives to Realm

Realm, Mobile-first database. Build fast apps, faster.

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Realm launched in 2014; newer entries below may have overtaken it.

1. 1RY
   Realm (YC S11), a mobile database▲188

   2014 · realm.io · its alternatives →

2. 2
   Realm Mobile Platform▲178

   A platform for creating reactive mobile apps effortlessly.

   2016 · realm.io · its alternatives →

3. 3
   Realm React Native▲137

   The fastest database for cross platform mobile apps

   2016 · mongodb.com · its alternatives →

4. 4
   Realm Xamarin▲95

   The fastest database on Xamarin for reactive mobile apps

   2016 · its alternatives →

5. 5
   Realm 1.0▲6

   Realm is a mobile database a billion people rely on

   2016 · its alternatives →

6. 6
   InstantDB – A Modern Firebase▲1,145

   Hey there HN! We’re Joe and Stopa, and today we’re open sourcing InstantDB, a client-side database that makes it easy to build real-time and collaborative apps like Notion and Figma. Building modern apps these days involves a lot of schleps. For a basic CRUD app you need to spin up servers, wire up endpoints, integrate auth, add permissions, and then marshal data from the backend to the frontend and back again. If you want to deliver a buttery smooth user experience, you’ll need to add optimistic updates and rollbacks. We do these steps over and over for every feature we build, which can…

   2024 · github.com · its alternatives →

7. 7
   Firebase, a scalable real-time backend▲526

   Discover Firebase, Google’s mobile and web app development platform that helps developers build apps and games that users will love.

   2012 · firebase.com · its alternatives →

8. 8
   Meteor 1.0▲226

   Build apps faster than you ever thought possible

   2014 · meteor.com · its alternatives →

9. 9
   Rapid - Real-time Database Service▲184

   Build real-time apps without maintaining the infrastructure

   2017 · its alternatives →

10. 10
    1.1.1.1 + WARP▲315

    The free app that makes your Internet faster.

    2019 · one.one.one.one · its alternatives →

11. 11
    Realm Mobile Platform Professional Edition▲6

    Powerful integrations and event handling

    2016 · realm.io · its alternatives →

12. 12
    clientdb▲295

    Build lightning fast apps with instantaneous interactions

    2022 · its alternatives →

13. 13
    Realm▲127

    HTML framework for building MVP

    2023 · its alternatives →

14. 14
    InstantDB▲320

    Complete backend with auth and storage in one prompt

    Apr 2026 · instantdb.com · its alternatives →

15. 15
    Base Deploy▲101

    Build powerful apps faster - without coding

    2016 · basedeploy.com · its alternatives →

16. 16
    Meteor▲107

    Platform for building web apps in a fraction of the time

    2014 · meteor.com · its alternatives →

17. 17
    Gridcraft▲76

    The spreadsheet meets database - reinvented

    2014 · its alternatives →

18. 18
    Backendless▲99

    Build scalable apps at lightning speed, coding optional

    2023 · backendless.com · its alternatives →

19. 19
    deepstreamHub▲87

    A faster Firebase with an open source core

    2017 · deepstreamhub.com · its alternatives →

20. 20
    MemSQL▲114

    World's fastest in-memory database

    2015 · singlestore.com · its alternatives →

21. 21
    8base▲211

    Bring powerful apps to market fast - 8base GraphQL Backend

    2020 · 8base.com · its alternatives →

22. 22
    Realm▲156

    All the data you need to navigate owning a house

    2021 · myrealm.co · its alternatives →

23. 23
    Servant▲94

    A simple cloud database for everyone

    2014 · its alternatives →

24. 24
    Ionic Creator V2▲202

    Build better mobile apps, faster

    2015 · ionic.io · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →