head to head · open source
firebase-ios-sdk vs tianji
firebase-ios-sdk has 6,979 GitHub stars, 1,833 forks, 444 open issues and last shipped yesterday. tianji has 3,118 stars, 199 forks, 139 open issues and last shipped 6 days ago. firebase-ios-sdk leads on adoption by 124% (6,979 vs 3,118 stars). firebase-ios-sdk is written in C++ under Apache-2.0; tianji is written in TypeScript under Apache-2.0. firebase-ios-sdk has attracted 26% as many forks as stars, tianji 6%. firebase-ios-sdk 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
| firebase-ios-sdk | tianji | |
|---|---|---|
| GitHub stars | ★ 7.0K | ★ 3.1K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | C++ | TypeScript |
| Last push | 2026-11-04 | 2026-10-30 |
| Forks | ⑂ 1.8K | ⑂ 199 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick firebase-ios-sdk if
- You weight community size — 7.0K 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 tianji if
- You want the tianji feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and tianji fits your workflow better
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 →
About tianji
Tianji All in One Insight Hub Website analytics + Uptime Monitor + Server Status = Tianji All in one project! Motivation During our observations of the website. We often need to use multiple applications together. For example, we need analysis tools such as GA / umami to check pv/uv and the number of visits to each page, we need an uptime monitor to check the network quality and connectivity of the server, and we need to use prometheus to obtain the status reported by the server to check the quality of the server. In addition, if we develop an application that allows open source deployment, we often need a…
read the full tianji overview →
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Frequently asked questions
Is firebase-ios-sdk or tianji more popular?
firebase-ios-sdk has 6,979 GitHub stars and tianji has 3,118. firebase-ios-sdk has the larger community by that measure.
Are firebase-ios-sdk and tianji free?
Both are open source. firebase-ios-sdk is licensed under Apache-2.0 and tianji under Apache-2.0. Neither carries a licence fee.
What is the difference between firebase-ios-sdk and tianji?
firebase-ios-sdk is written in C++ and tianji in TypeScript. 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 tianji?
Choose firebase-ios-sdk if you want the larger community (6,979 stars) or its Apache-2.0 licence terms. Choose tianji if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.