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Mantle vs Mem

Two fact sheets from our own research, side by side — pricing, platforms, API access and status re-checked by us rather than quoted from the vendors.

The short answer

Free plan
Both — Mantle is free to use, Mem has a free plan
Public API
Both have one
Higher Trust score
Mem — 98 vs 78 for Mantle
Best fit
Mantle: Privacy-conscious users willing to self-host with Docker · Mem: Founders and managers who dump meetings, voice memos and clips into one place and want them filed
Platforms
Mantle: Web, iOS · Mem: Web, macOS, Windows, iOS

From our own records as of each tool's last check. Anything we have not confirmed is left out rather than guessed. How we verify

MantleSelf-hosted AI assistant with persistent memory that ingests email, files, and calendars, free to run yourself.MemNotes app with an agent that files captures, tracks tasks and commitments and nudges you before they slip

Side by side

FactMantleMem
CategoryPersonal AI AssistantsNote-taking & Second Brain
Pricing modelFreeFreemium
Starts at—$9/mo
Public APIYesYes
Trust score78 / 10098 / 100
PlatformsWeb, iOS, APIWeb, macOS, Windows, iOS, API
CompanyCross Works Engineering (Pty) LtdMem Labs, Inc.
Last verifiedOct 15, 2026Oct 15, 2026

What our research says

Mantle

Mantle suits someone who wants an AI assistant with real memory but doesn't want their email and files sitting in someone else's cloud. Running it yourself via Docker means you're responsible for the infrastructure, and the free license has real restrictions once you'd be competing with Mantle commercially.

Pros

  • Self-hosted, so data stays on infrastructure the user controls
  • Reported running cost under $5/month with local embeddings
  • Reaches users through web, iOS, Telegram, and an API with MCP support
  • Free source-available license for non-competing use

Cons

  • Requires Docker and some technical setup, not a sign-up-and-go product
  • Free license has real limits: commercial or competing use needs a paid license
  • No evidence of a hosted/managed option for non-technical users

Mem

Mem is one of the few note apps where the agent actually follows up on what you wrote, tracking open tasks and nudging you, rather than only answering questions. The pricing is now a quota ladder: Plus at $9 is cheap but caps you at 50 messages and 50 new notes a month, so anyone who captures daily will land on Pro at $29 or above.

Pros

  • Agent tracks tasks and projects across notes and sends proactive nudges
  • Voice capture and bot-free meeting notes feed the same workspace
  • Developer API and MCP server for connecting other tools
  • Markdown export of notes and collections

Cons

  • Every tier caps new notes and agent messages per month, so cost scales with how much you write
  • Routines and connections start only at the $29 Pro tier
  • No Android app on the download page

Which one fits

Choose Mantle if you need

  • Privacy-conscious users willing to self-host with Docker
  • People who want one assistant with memory across email, files, and calendar rather than separate tools

Choose Mem if you need

  • Founders and managers who dump meetings, voice memos and clips into one place and want them filed
  • Consultants who need commitments from calls tracked without a meeting bot
  • Mac and Windows users who want a capture shortcut that works from any app

Mantle vs Mem: the questions people ask

Is Mantle cheaper than Mem?

Mantle is free to use; Mem starts at $9/mo.

Does Mantle or Mem have a free tier?

Both: Mantle is free to use, and Mem has a free tier.

Which has a public API, Mantle or Mem?

Both ship a public API, so either can be built on; the fact table above shows the platforms each one runs on.

More comparisons

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