Mem alternatives: 6 apps ranked by verified data

Facts checked Oct 25, 2026AppBreakup editorialHow we rank

Common reasons people leave Mem: free plan allowance is small, and price rises steeply with AI usage. We ranked 6 alternatives by how directly each one replaces Mem, then by reviews, real visits and how recently each app's facts were checked against its own website. Reflect currently ranks first.

Quick comparison

#	App	Pricing	Open source	Platforms	Verified facts	Score
1	Capacities	Free plan + paid	No	Web, macOS, Windows +3	5 of 5	74.6

1. CapacitiesTop pick
Best for: Individuals who want a structured personal knowledge base without building it from scratch
Free plan + paidWeb, macOS, Windows, Linux, iOS, Android
74.6
score / 100
Why switch from Mem
A structured knowledge base with AI on the Pro plan and a generous free tier.
Pros
Generous free plan that is a complete notes app
Object types give structure without complex setup
Apps on every major platform
Hosted in Europe
Cons
Cloud-based, not local Markdown files
Little support for team collaboration
Object model takes time to learn
Visit Capacities Details and reviews
How this score is calculated
Editorial fit ×0.377
Reviews ×0.363
Clicks (90 days) ×0.15100
Freshness ×0.1585
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula
Is Capacities a good Mem alternative?
Verified facts
5 of 5 verified
Free plan
Yes, free forever
Checked Oct 25, 2026capacities.io(opens source in a new tab)
Pro price
$9.99 per month
Checked Oct 25, 2026capacities.io(opens source in a new tab)
Platforms
Web, Mac, Windows, Linux, iOS, Android
Checked Oct 25, 2026capacities.io(opens source in a new tab)
Data location
Europe
Checked Oct 25, 2026capacities.io(opens source in a new tab)
Active users
50,000+
Checked Oct 25, 2026capacities.io(opens source in a new tab)

The best Mem alternative for…

The highest-ranked app in this list for each need.

Best Mem alternative for most people

Reflect

Simpler linked notes with optional AI using your own key.

Best Mem alternative for a free plan you can upgrade

Notion

Notion AI plus databases if you also want manual structure and team pages.

Best Mem alternative for open source

Reflect

Simpler linked notes with optional AI using your own key.

Best Mem alternative for Mac

Capacities

A structured knowledge base with AI on the Pro plan and a generous free tier.

Best Mem alternative for Windows

Evernote

Familiar notebooks, search and web clipping with some AI features.

Best Mem alternative for Linux

Capacities

A structured knowledge base with AI on the Pro plan and a generous free tier.

Best Mem alternative for iPhone and Android

Tana Outliner

Structured notes with AI commands and meeting transcription.

Best Mem alternative for working in the browser

Notion

Notion AI plus databases if you also want manual structure and team pages.

Mem alternatives: common questions

What is the best alternative to Mem?

Reflect ranks first right now. Simpler linked notes with optional AI using your own key. Notion and Capacities follow it in our ranking.

Is there a free alternative to Mem?

Yes. Reflect (free plan + paid), Notion (free plan + paid), Capacities (free plan + paid) and Evernote (free plan + paid) have a free option. Check each app's verified facts for current plan limits.

Is there an open-source alternative to Mem?

Yes: Reflect.

Which Mem alternatives work on Linux?

Capacities runs on Linux.

Why do people switch from Mem?

The complaints we hear most: free plan allowance is small; price rises steeply with AI usage; cloud-only, with your notes processed by AI.

How is this list ranked?

Every app is scored with the same published formula: how directly it replaces Mem, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.