Némos vs Mem
Mem is web-first AI. Némos is iPhone-native AI. Different stacks, different moats.
Disclosure: Némos is our product. We've aimed to compare fairly and acknowledge Mem's strengths. We encourage you to try both and decide for yourself.
Summary
Mem is best for desktop-first knowledge workers comfortable with cloud-based AI workflows who want auto-tagging across their notes. Némos is different — it's a personal knowledge library that saves 15+ content types and auto-organizes everything with on-device AI. Choose Mem for pioneered the 'no folders, ai auto-organizes' category. Choose Némos for automatic organization across all content types.
What is Mem?
Mem (mem.ai) is an AI-powered note-taking app that auto-tags and auto-links your notes. Backed by the OpenAI Startup Fund, it pioneered the 'self-organizing workspace' category. Mem 2.0 launched in October 2025 as a full rebuild.
Mem strengths
- ●Pioneered the 'no folders, AI auto-organizes' category
- ●OpenAI Startup Fund-led $23.5M Series A
- ●Auto-tagging, auto-linking, AI chat over your notes
- ●Mem 2.0 added offline editing (October 2025)
- ●Strong web app for desktop power users
Mem limitations
- ●Free tier capped at 25 notes per month — fills up in days
- ●iOS app is a web-wrapper, not native SwiftUI
- ●No Live Activities, no Apple Watch, no lock-screen widgets
- ●Cloud-only AI — every query goes to OpenAI servers
- ●Team contracted from ~36 to ~9 employees by 2026 (Tracxn)
- ●$12/mo Pro is single tier — no middle option
- ●No iOS Share Extension OCR pipeline for screenshots
- ●No native voice memo recording or transcription
Where Némos wins
Feature-by-feature comparison
AI & Organization
| Feature |  Némos | Mem |
|---|---|---|
| AI auto-tag / auto-link | On-device Foundation Models | Cloud OpenAI |
| Works offline (incl. AI) | ✓ | Notes only — AI requires internet |
| Free tier limits | Unlimited saves | 25 notes / 25 chats per month |
| AI cost per query | $0 — on-device | Pulls Pro budget |
iOS Native
| Feature | Némos | Mem |
|---|---|---|
| Native SwiftUI app | ✓ | ✕ |
| Live Activities | ✓ | ✕ |
| Apple Watch companion | ✓ | ✕ |
| Lock-screen widgets | ✓ | ✕ |
| Spotlight semantic search | ✓ | ✕ |
| Screenshot OCR via Share Sheet | ✓ | ✕ |
| Voice memo recording + transcription | ✓ | ✕ |
Privacy
| Feature | Némos | Mem |
|---|---|---|
| AI processing | 100% on-device | Cloud OpenAI |
| Note storage | iCloud (encrypted) | Mem servers |
| Audio upload required | ✕ | n/a — no audio |
Who should use what?
Choose Mem if
Mem is best for desktop-first knowledge workers comfortable with cloud-based AI workflows who want auto-tagging across their notes. If you live on iPhone and want native iOS UX with on-device AI, Mem's web-wrapper iOS app will feel limited.
Choose Némos if
You save more than one type of content — screenshots, links, notes, voice memos, PDFs — and want it all automatically organized and searchable in one place. 15+ content types, zero manual effort, all on-device for complete privacy.
Pricing
Némos
Free
Unlimited saves, all content types, full search
Pro $8.99/mo — advanced AI, priority sync
Mem
Free
25 notes + 25 chat messages per month
Mem Pro $12/mo (unlimited)
Frequently Asked Questions
Is Némos a Mem alternative?+
What's the difference between Mem and Némos?+
Is Mem still funded?+
Can Mem work offline?+
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