head to head · open source
AstrBot vs chatgpt-android
AstrBot has 40,717 GitHub stars, 2,941 forks, 1,516 open issues and last shipped today. chatgpt-android has 3,870 stars, 447 forks, 27 open issues and last shipped 9 months ago. AstrBot leads on adoption by 952% (40,717 vs 3,870 stars). AstrBot is written in Python under AGPL-3.0; chatgpt-android is written in Kotlin under Apache-2.0. AstrBot has attracted 7% as many forks as stars, chatgpt-android 12%. AstrBot was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (chatbot, chatgpt), 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
| AstrBot | chatgpt-android | |
|---|---|---|
| GitHub stars | ★ 41K | ★ 3.9K |
| License | AGPL-3.0 | Apache-2.0 |
| Written in | Python | Kotlin |
| Last push | 2026-09-20 | 2026-01-03 |
| Forks | ⑂ 2.9K | ⑂ 447 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick AstrBot if
- You weight community size — 41K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick chatgpt-android if
- You want the chatgpt-android feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Kotlin
- You evaluated both and chatgpt-android fits your workflow better
About AstrBot
AstrBot is an open source all in one Agent chatbot platform written in Python and licensed under AGPL 3.0. It integrates with mainstream instant messaging applications and provides conversational AI infrastructure for individuals, developers, and teams. The project lives in the AI and machine learning ecosystem, specifically the AI interaction and interfaces category, and it has been developed over roughly four years. Its repository carries 40,504 stars and 2,915 forks, and its documented homepage is astrbot.app. Topics attached to the project include agent, ai, chatbot, chatgpt, discord, docker, gemini, gpt, lla…
read the full AstrBot overview →
About chatgpt-android
ChatGPT Android is an open source Kotlin sample application that demonstrates OpenAI's ChatGPT chat API on Android inside a chatbot interface built with Jetpack Compose and the Stream Chat SDK for Compose, aimed at Android developers who want a working reference rather than a blank project.
read the full chatgpt-android overview →
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Frequently asked questions
Is AstrBot or chatgpt-android more popular?
AstrBot has 40,717 GitHub stars and chatgpt-android has 3,870. AstrBot has the larger community by that measure.
Are AstrBot and chatgpt-android free?
Both are open source. AstrBot is licensed under AGPL-3.0 and chatgpt-android under Apache-2.0. Neither carries a licence fee.
What is the difference between AstrBot and chatgpt-android?
AstrBot is written in Python and chatgpt-android in Kotlin. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, AstrBot or chatgpt-android?
Choose AstrBot if you want the larger community (40,717 stars) or its AGPL-3.0 licence terms. Choose chatgpt-android if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.