
Notion
Obsidian
Evernote
Tana
Supermemory
Bear
Puppet
Capture and access information from anywhere

ChainMemory
Agentmemory
Mem0
Memori
TheSecondBrain.dev
Pinecone
Pieces for Developers
Shared AI memory that stops agents from repeating mistakes

Which is more popular?
Based on our record, Mem seems to be more popular. It has been mentioned 6 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | get.mem.ai | github.com |
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What each product offers, as listed by its team.


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


No analysis of Mem yet.
Overall verdict
Why this product is good
Recommended for
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Mem: A First Look
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How often each product is chosen within a category, 0–100% relative to the other.


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


Mem is a note-taking app focusing on simplicity, quickness, and collaboration. The app allows users to capture, connect, and share information easily. It combines features such as lightning fast capture, always-on...
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Recommendations tracked on public social media and blogs since March 2021.


Eg https://get.mem.ai/ approach or https://beta.omnilabs.ai/ But then tailored to Obsidian. Source: almost 4 years ago
I use Notion but I have heard that the andriod experience is not the best. You may want to try Coda, Obsidian, Mem or Anytype. I know of a few others but I think for the purpose of a second brain these can do the trick it’s just about... Source: about 4 years ago
Https://get.mem.ai right now it isa web app they have an iOS app in beta. Source: over 4 years ago
Tracking RoBrain since Jun 2026.
When comparing Mem and RoBrain, you can also consider the following products.

All-in-one workspace. One tool for your whole team. Write, plan, and get organized.
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Portable, verifiable memory for AI agents — works across ChatGPT, Claude, Gemini and any MCP client
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A second brain, for you, forever. Obsidian is a powerful knowledge base that works on top of a local folder of plain text Markdown files.
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Persistent memory for Claude Code, Codex & coding agents
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Bring your life's work together in one digital workspace. Evernote is the place to collect inspirational ideas, write meaningful words, and move your important projects forward.
Compare Evernote to Mem or RoBrain:
