Comparison · AI notes

NOAN vs Mem

Mem is a personal AI workspace: it keeps your notes, meetings, and ideas organized, and its agent learns what matters from what you save and follows up proactively. NOAN is a company fact layer: verified truths served over an API to agents, apps, and your website, with a task board to control the work. Mem makes one person more organized; NOAN makes a whole company legible to machines. If the knowledge belongs to you, choose Mem. If the knowledge is what your business asserts and your agents act on, choose NOAN.

Side by side

Competitor claims last verified 26 August 2026
DimensionNOANMem
What it isThe company brain and API: verified facts, tasks, contacts, notes, and assets behind one REST endpointAI-powered notes and task tracking for individuals: capture, organization, and a proactive agent
Source of truthApproved, versioned facts with an owner; one source of truth for the whole companyYour saved notes and meetings; personal recall, not company assertion
VerificationFacts enter through a verify gate: a human approves before anything reads it as trueNo approval model; the agent learns from whatever you save
APIPlain REST plus MCP, bearer keys, unlimited API keys on every planProduct is app-first; not built as an API for external agents and sites
AgentsBuilt for agents: facts to ground on, a task board to control them, any modelOne built-in agent working your notes and tasks proactively
AuditabilityEvery fact versioned with full history and Time Travel; every agent action lands on the task boardNote history at the document level; no per-claim versioning
Pricing modelWhole-workspace plans from $99/month; unlimited keys, no per-agent or per-task meteringFree tier, then $9 to $199 per month per person across Plus and Pro usage tiers
Lock-inFacts are plain text behind a REST API; one GET exports everythingNotes exportable; the learned agent behavior is Mem's

When to choose Mem

  • You want your own notes and meetings organized with zero effort and a proactive nudge when something needs you
  • The knowledge is personal and does not need approval, an API, or a team reading it
  • You want an agent included rather than a platform to build on

When to choose NOAN

  • The knowledge is the company's: pricing, positioning, policies, contacts, and it must be true
  • You are building or running agents that need grounded, governed context over an API
  • You want the brain, the CRM, and the task board in one place every agent can reach

The deeper comparison

Personal memory and company truth solve different problems

Mem's bet is that your notes should organize themselves: save everything, let the AI connect it, and let a proactive agent surface what needs you. For an individual drowning in meetings and ideas, that is the right bet, and the product's agent genuinely follows through where most note tools stop at storage.

But the knowledge Mem manages is biographical: it is what you saved, shaped by when you saved it. Company truth is adversarial to that model. It needs to be right even when nobody saved anything lately, consistent even when two people remember differently, and owned by someone accountable when it is wrong. Those properties come from governance, not from better recall over personal notes.

NOAN is built for the second problem: facts with owners and approvals, contacts and tasks in the same brain, and an API so the truth reaches agents and surfaces that never open a notes app. The two products barely compete; they sit at different altitudes of the same instinct that knowledge should work for you.

What each one costs you

Mem runs from free to $199 a month per person across its usage tiers, with $29 a month Pro as the recommended middle. It is priced like what it is: personal software with real AI costs behind it.

NOAN is priced per workspace, from $99 a month with unlimited API keys, because the buyer is a company rather than a person. If you are one founder, the honest advice is that you may want both and they will not overlap: Mem for your own working memory, NOAN as the brain your business and its agents run on. The failure mode to avoid is using a personal memory tool as company infrastructure, because the day a teammate or an agent needs the truth, personal recall has no way to hand it over.

If you are choosing today

Ask whose knowledge it is. Yours alone, choose Mem and enjoy it. The company's, and especially if agents act on it, the requirements change character: approval before truth, versions after it, an API always. That is not a bigger notes app, it is a different category, and pretending otherwise is how businesses end up grounded on somebody's personal notebook.

Common questions

Is NOAN a Mem alternative?

Rarely head-to-head: Mem is personal, NOAN is corporate. The confusion comes from the word memory. Mem remembers what you saved; NOAN asserts what the company approved. A founder might happily use Mem for their own notes and NOAN as the brain their business and agents run on.

Can Mem ground company AI agents?

It is not built for that: the product is app-first and personal, without the API surface, verification, or team permissions a company agent needs. NOAN was built from the API backward for exactly that job.

What is the best Mem alternative for a business?

Mem's true alternatives are other personal tools, Obsidian and Notion among them. For business knowledge that agents and teammates rely on, the category changes: you need verification, versioning, and an API, which is NOAN's territory rather than a bigger notes app.

Can I use Mem to ground company AI agents?

Not practically: the product is app-first and personal, without the API surface or approval model company agents need. Grounding a business agent on personal notes also inverts accountability: when the agent is wrong, there is no owner of the truth to correct.

Sources: get.mem.ai/pricing · All comparisons

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