head to head · open source
firebase-ios-sdk vs Countly
firebase-ios-sdk has 6,661 GitHub stars, 1,789 forks, 444 open issues and last shipped yesterday. Countly has 5,905 stars, 981 forks, 15 open issues and last shipped 2 days ago. firebase-ios-sdk leads on adoption by 13% (6,661 vs 5,905 stars). firebase-ios-sdk is written in C++ under Apache-2.0; Countly is written in JavaScript under a custom or non-standard licence. firebase-ios-sdk has attracted 27% as many forks as stars, Countly 17%. firebase-ios-sdk was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (ai, analytics), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| firebase-ios-sdk | Countly | |
|---|---|---|
| GitHub stars | ★ 6.7K | ★ 5.9K |
| License | Apache-2.0 | Custom / other |
| Written in | C++ | JavaScript |
| Last push | 2026-09-19 | 2026-09-18 |
| Forks | ⑂ 1.8K | ⑂ 981 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick firebase-ios-sdk if
- You weight community size — 6.7K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches C++
- You value the larger contributor base for long-term maintenance
pick Countly if
- You want the Countly feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches JavaScript
- You evaluated both and Countly fits your workflow better
About firebase-ios-sdk
Firebase Apple Open Source Development is the open source repository that holds the source code for the Apple platform Firebase libraries, and it is intended for iOS and other Apple platform developers who build apps on the Firebase platform and want to read, build, or vendor that client code directly.
read the full firebase-ios-sdk overview →
About Countly
Countly is a privacy first, AI ready analytics and customer engagement platform that organizations deploy themselves rather than consume only as a hosted service. The server side component lives in this repository and is written in JavaScript, sitting in the JavaScript and Node.js ecosystem alongside the client SDKs that ship separately for iOS, Android, React Native, Flutter, NodeJS, Unity, Java and JavaScript. The platform is built around the idea that customer data should stay under the operator's control: Countly runs on premises or in a private cloud, and the project describes full data ownership, deployment…
read the full Countly overview →
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Frequently asked questions
Is firebase-ios-sdk or Countly more popular?
firebase-ios-sdk has 6,661 GitHub stars and Countly has 5,905. firebase-ios-sdk has the larger community by that measure.
Are firebase-ios-sdk and Countly free?
Both are open source. firebase-ios-sdk is licensed under Apache-2.0, and Countly has no licence declared in this registry. Both are free to self-host.
What is the difference between firebase-ios-sdk and Countly?
firebase-ios-sdk is written in C++ and Countly in JavaScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, firebase-ios-sdk or Countly?
Choose firebase-ios-sdk if you want the larger community (6,661 stars) or its Apache-2.0 licence terms. Choose Countly if its feature set, stack or Custom / other licence fits better. Both are self-hostable.