Caelum - Local AI assistant
nolanpcrd Productivity
Your private AI. Offline, secure, and always by your side.
- Rating
- 4.2
- 262 ratings
- Downloads
- 10K+
- on Google Play
- Price
- Free
- No in-app purchases
- Updated
- Aug 14
- 2025 Β· v1.3.1
Screenshots
About Caelum - Local AI assistant
π Caelum β Your Private AI Assistant
A powerful AI that works entirely offline. No account. No data sharing. Just you and your device.
π‘ Why Caelum?
Most AI apps collect your data or need constant internet. Caelum is different. Itβs a fully offline, secure, and anonymous assistant β perfect for anyone who values privacy.
π§ Smart, Fast, and Local
- Chat naturally with advanced on-device AI
- No internet needed after installation
- Get instant answers, anytime
- Clean, modern design (light & dark mode)
π Document Reader (Private & Local)
- Import your documents
- Ask questions and get instant answers
- All files processed directly on your phone β never sent online
π Web Search (Optional)
- Search current information using Brave
- Results are temporary, no history stored
- You stay fully in control
π 100% Private by Design
- Works fully offline
- No account, no login
- No ads, no trackers
- All data stays on your device
π± Optimized for Android
- Fast startup and smooth performance
- Tablet-friendly layout
- Lightweight and battery-efficient
π Made for Everyone
Whether you're tech-savvy or not, Caelum is built to be simple, clear, and respectful.
Download Caelum now and discover a new kind of AI β one that truly respects your privacy.
A powerful AI that works entirely offline. No account. No data sharing. Just you and your device.
π‘ Why Caelum?
Most AI apps collect your data or need constant internet. Caelum is different. Itβs a fully offline, secure, and anonymous assistant β perfect for anyone who values privacy.
π§ Smart, Fast, and Local
- Chat naturally with advanced on-device AI
- No internet needed after installation
- Get instant answers, anytime
- Clean, modern design (light & dark mode)
π Document Reader (Private & Local)
- Import your documents
- Ask questions and get instant answers
- All files processed directly on your phone β never sent online
π Web Search (Optional)
- Search current information using Brave
- Results are temporary, no history stored
- You stay fully in control
π 100% Private by Design
- Works fully offline
- No account, no login
- No ads, no trackers
- All data stays on your device
π± Optimized for Android
- Fast startup and smooth performance
- Tablet-friendly layout
- Lightweight and battery-efficient
π Made for Everyone
Whether you're tech-savvy or not, Caelum is built to be simple, clear, and respectful.
Download Caelum now and discover a new kind of AI β one that truly respects your privacy.
What’s new
Version 1.3.1 Β· Updated August 14, 2025
10th official release ! New features : - Better Web Search - Now handles images with text and PDFs - Handles documents way better - You can now delete messages - Bug fixes - Added Ukrainian language support
User reviews
Calling it the first accessible local AI app is a massive overstatement, but that's just marketing for you. The app itself is nice, having a good UI and being easy to use. Would recommend adding more models of different sizes to choose from in the future to allow people to balance between performance and quality of ...
Simply amazing!!! And still free!!! bless you!!
Awesome app. Very fast, even on older phones.
The fact that it runs entirely on your device is enough reason for me to give it a 5- star. This way, your data isn't being transmitted to the servers for puny questions or private information. so, high level of data security. My puny brain can interpret how they managed to pull this off
I have tried many offline AI apps, but none worked for me. Your appβs smooth download and setup were the main reasons I continued using it, as many others fail to download or donβt allow full chat access. Youβve made things much simpler for users like me.
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| App | Rating | Price | Installs | Last updated | Compare |
|---|---|---|---|---|---|
| Caelum - Local AI assistant | 4.2 / 5 | Free | 10,000+ | Aug 14, 2025 | |
| Device Buddy β Usage Monitor | β | β | 1,000+ | β | Compare |
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| WellTrack Boost | 3.0 / 5 | Free | 10,000+ | Aug 31, 2026 | Compare |
| Workflowy |Note, List, Outline | 4.3 / 5 | Free | 500,000+ | Oct 22, 2026 | Compare |
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