
Android
e.foundation /e/
postmarketOS
CalyxOS
LineageOS
Ubuntu Touch
Computer Launcher
Mobian, Debian for mobile devices

Mem0
Memori
Agentmemory
Supermemory
Tempreon
cognee
TheSecondBrain.dev
Portable, verifiable memory for AI agents — works across ChatGPT, Claude, Gemini and any MCP client
Which is more popular?
Based on our record, Mobian seems to be more popular. It has been mentioned 16 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | mobian-project.org | chainmemory.ai |
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In their own words, as submitted to SaaSHub.


No description of Mobian yet.
ChainMemory gives your AI agents persistent memory that belongs to YOU — not to a single vendor. Save a memory in ChatGPT, recall it in Claude or Gemini. Available via Chrome extension, MCP server (npm), or REST API. Every memory gets a cryptographic fingerprint and project states are anchored...
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Mobian | The Best Mobile Linux Distro
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Mobian and ChainMemory. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Needless to say, it does not support Android apps and the app support is limited. However, Mobian sets out to bring an alternative mobile OS to Android which is quite nice. Mobian uses Phosh, a mobile shell built by...
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Recommendations tracked on public social media and blogs since March 2021.


I haven't messed with mine recently so not sure what the status of mobian is right now, but it would be worth giving it a try. Source: over 3 years ago
Sounds like you want https://postmarketos.org/ or https://mobian-project.org/ ? - Source: Hacker News / about 4 years ago
This is still in active development. I would recommend trying postmarketOS or Mobian if you have a compatible device. They are both mainly packaged with Phosh, which is also a GNOME project, although most development is headed by Purism. Source: over 4 years ago
Tracking ChainMemory since Jul 2026.
When comparing Mobian and ChainMemory, you can also consider the following products.

Android is an open source mobile operating system initially released by Google in 2008 and has since become of the most widely used operating systems on any platform.
Compare Android to Mobian or ChainMemory:


/e/ is a fork of LineageOS that aims to be completely free of everything Google.
Compare e.foundation /e/ to Mobian or ChainMemory:

Persistent memory from agent trace, not just conversation
Compare Memori to Mobian or ChainMemory:


Persistent memory for Claude Code, Codex & coding agents
Compare Agentmemory to Mobian or ChainMemory: