
ChainMemory
Mem0
Memori
Pieces for Developers
cognee
TheSecondBrain.dev
Claiv Memory
Persistent memory for Claude Code, Codex & coding agents

Applegate PRO
12Return
SupportSync
FactoryTalk MaintenanceSuite
Cabrella Shipping Insurance
Ecommerce-Platforms.com
BluJay Customs Management
21Brains is a note taking app for procurement professionals.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | agent-memory.dev | 21brains.com |
| Pricing | — | |
| Listed in |
What each product offers, as listed by its team.


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


Overall verdict
Why this product is good
Recommended for
No analysis of 21Brains yet.
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Agentmemory and 21Brains. For example, how are they different and which one is better?
When comparing Agentmemory and 21Brains, you can also consider the following products.

Portable, verifiable memory for AI agents — works across ChatGPT, Claude, Gemini and any MCP client
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The 12Return platform enables companies in any industry to manage the challenges of product returns in a customer-centric and circular economy.
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Persistent memory from agent trace, not just conversation
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Product return management & customer service for SMBs
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