Your private AI. Offline, secure, and always by your side.
4.31·241 reviews·10,000+ downloads
Pros & Cons
Private and offline by design (no account or data sharing)
On-device AI chat and private document processing
Optional Brave-based web search with no history stored
No ads or trackers for a clean user experience
Web search is optional and relies on Brave rather than a built-in browser
Some users may prefer always-online features not available in an offline-first app
About Caelum - Local AI assistant
Caelum - Local AI assistant is a productivity app developed by nolanpcrd.
Download Statistics
Caelum - Local AI assistant has been downloaded 12 thousand times. In the last 30 days, the app was downloaded 620 times.
User Ratings
Caelum - Local AI assistant is rated 4.31 out of 5 stars. The rating is based on 240 ratings.
App Information
Caelum - Local AI assistant is FREE to download. The APK download size is 39.52 MB. The latest version available is 1.3.1. The last update was on August 14, 2025.
Technical Requirements
The app has a content rating of Everyone. The app has been available on Google Play July 2025.
Description
🔒 Caelum – Your Private AI Assistant A powerful AI that works entirely offline. No account. No data sharing. Just you and your device.
💡 Why Caelum? Most AI apps collect your data or need constant internet. Caelum is different. It’s a fully offline, secure, and anonymous assistant — perfect for anyone who values privacy.
🧠 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)
📄 Document Reader (Private & Local) - Import your documents - Ask questions and get instant answers - All files processed directly on your phone — never sent online
🌐 Web Search (Optional) - Search current information using Brave - Results are temporary, no history stored - You stay fully in control
🔐 100% Private by Design - Works fully offline - No account, no login - No ads, no trackers - All data stays on your device
📱 Optimized for Android - Fast startup and smooth performance - Tablet-friendly layout - Lightweight and battery-efficient
🌍 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 — one that truly respects your privacy.
Recent changes: 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
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Comments on Caelum - Local AI assistant for Android
★★★★★Gaven Henderson· Dec 28, 2025
Fantastic app so far, I sense there's some fine-tuning to compliment the smaller output, and It's great to see search functionality in a local AI app!
★★★★★Max Krone· Apr 7, 2026
This is great. I am assuming it's based off the 1B Gemma model. I wish there was an option to add other models since some phones can handle more.
★★★★★Michael Walsh· Jan 24, 2026
Lots of local AI apps exist but none are as plug and play as this one. The only area of improvement I'd suggest is having an "about" section that displays which version of Gemma is being pulled and what runtime is serving it (liteRT, media pipe, llama, etc.) I guarantee that even if the app description without any app changes specified model/runtime would make this app get a lot more DLs on the play store, as Gemma bundled without the Apache license doesn't get the attention this deserves.
★☆☆☆☆MJ NO· Dec 18, 2025
I installed it, and then when I opened the app there was written 1020mb with a time estimate. When 1020mb finished then It went out from the app automatically, and again I opened the app, it was written again the 1020mb was downloading for several times, and I don't know why, even my phone is Redmi Note 13 with 8 GB RAM +8 GB additional, and 256 storage which I use only 30%. If you read my comment as the developer of the app, do something. Thanks for reading my comment. 💐❤️
★☆☆☆☆Ram Pandey· Dec 8, 2025
No hindi language 😏 and most of the answers are out of box. I question. How many languages you know. He says. I m AI I don't know any language 🙄
Google Play Rankings for Caelum - Local AI assistant
This app is not ranked
Technologies used by Caelum - Local AI assistant
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