Side by side
Lumo by Proton vs Notis
Compare what each tool does, what it costs, and how it fits your workflow.
Designed for
AI that talks with you, not about you.
The first WhatsApp assistant that runs on your ChatGPT and Claude subscriptions
Primary task
Personal assistant
Personal assistant
Pricing
Freemium · Free + from $9.99/mo
Free Trial · Trial; then from $13/mo
Pricing details
Free + from $9.99/mo
Free + from $13/mo
Billing cycle
Monthly
Monthly
API access
Not documented
Not documented
Platforms
Web
Web, CLI
Integrations
Not documented
Telegram, WhatsApp, Notion, Slack, Gmail, MCP
Source rating
5.0 / 5 · 2 ratings
4.2 / 5 · 72 ratings
Catalog views
1.6k
1.3M
Estimated monthly traffic
79.7M
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Catalog imported
31 Aug 2026
29 Aug 2026
Listed strengths
- Privacy-focused
- Emphasizes data security
- Confidential chat conversations
- Zero-access encryption
- User data not retained
- Connect with one click to +800 apps
- Works on Whatspp, iMessage, Telegram, Slack and emails
- Setup in minutes not days
- No need to buy a Mac Mini to run it ;)
- Secured by design
Listed limitations
- Requires JavaScript to run
- Unable to use user data for model improvement
- Possibly limited functionality due to privacy focus
- Data not shared for potential benefits
- Dependent on user device for data decode
- Requires initial onboarding
- Won't give you an excuse to buy that Mac Mini you wanted
- No free version
- No offline capability
- Won't become your new weekends' project