head to head · open source
PostHog vs firebase-ios-sdk
PostHog has 40,600 GitHub stars, 3,579 forks, 5,637 open issues and last shipped yesterday. firebase-ios-sdk has 6,979 stars, 1,831 forks, 444 open issues and last shipped yesterday. PostHog leads on adoption by 482% (40,600 vs 6,979 stars). PostHog is written in Python under a custom or non-standard licence; firebase-ios-sdk is written in C++ under Apache-2.0. PostHog has attracted 9% as many forks as stars, firebase-ios-sdk 26%. PostHog was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (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
| PostHog | firebase-ios-sdk | |
|---|---|---|
| GitHub stars | ★ 41K | ★ 7.0K |
| License | Custom / other | Apache-2.0 |
| Written in | Python | C++ |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 3.6K | ⑂ 1.8K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick PostHog if
- You weight community size — 41K stars and counting
- You want the Custom / other license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick firebase-ios-sdk if
- You want the firebase-ios-sdk feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches C++
- You evaluated both and firebase-ios-sdk fits your workflow better
About PostHog
Docs Community Roadmap Why PostHog? Changelog Bug reports PostHog is the open source platform for building self driving products PostHog provides every tool you need to build a successful product, and captures all the context agents need to proactively diagnose problems, uncover opportunities, and ship fixes: Self driving mode: Turn signals in your product data (errors, rage clicks, failed queries, and more) into researched reports and pull requests you review and merge. Product analytics: Autocapture or manually instrument event based analytics to understand user behavior and analyze data with visualization or…
read the full PostHog overview →
About firebase-ios-sdk
[!WARNING] CocoaPods: New versions of the Firebase Apple SDK will no longer be published to CocoaPods after October 2026 . Existing CocoaPods versions will remain available and installations will remain functional. See the migration guide for more information. [!TIP] Preview Release: Firebase AI Logic's Gemini Foundation Models framework adapter is now available in preview. Get started by visiting the documentation. Firebase Apple Open Source Development This repository contains the source code for all Apple platform Firebase libraries except FirebaseAnalytics . Firebase is an app development platform with…
read the full firebase-ios-sdk overview →
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Frequently asked questions
Is PostHog or firebase-ios-sdk more popular?
PostHog has 40,600 GitHub stars and firebase-ios-sdk has 6,979. PostHog has the larger community by that measure.
Are PostHog and firebase-ios-sdk free?
Both are open source. PostHog has no licence declared in this registry, and firebase-ios-sdk is licensed under Apache-2.0. Both are free to self-host.
What is the difference between PostHog and firebase-ios-sdk?
PostHog is written in Python and firebase-ios-sdk in C++. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, PostHog or firebase-ios-sdk?
Choose PostHog if you want the larger community (40,600 stars) or its Custom / other licence terms. Choose firebase-ios-sdk if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.