1chat vs umcode
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
1chat
This AI assistant operates entirely offline, prioritizing your privacy and security. It includes a built-in language model, requiring no internet connection or user registration to function. Manage multiple conversations and enjoy immediate use.
- Fully offline operation
- No internet connection required
- No login or registration
- Built-in Qwen3 model
- Multiple conversation management
- Optimized for Apple chips
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1Chat is a fully offline, locally running large language model AI assistant. 1Chat emphasizes privacy and security, requiring no internet connection or permissions. It runs completely locally with an integrated model, ready to use right out of the box. Features: • No internet connection required, no login or registration • Fully offline, ensuring privacy and security • Built-in Qwen3 model, ready to use immediately • Supports multiple conversation management • Optimized for Apple chips 1Chat is based on the open-source project fullmoon-ios, with custom development and integration of the Qwen3-1.7B-4bit-DWQ-053125 model. Open source:https://github.com/OJZen/1chat For any feedback or suggestions, you can email: ojunedev@gmail.com
umcode
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umcode turns coding into something kids can see, touch, and control. Drag colorful blocks to program real robots — no typing required. Snap your code together, hit run, and watch your robot move, sense, and respond in real time. WHAT YOU CAN BUILD • Program UCMAKE uKit & uBot robotics kits with easy drag-and-drop blocks • Control motors, RGB lights, LED matrix, ultrasonic sensors and more • Connect instantly over Bluetooth to your ESP32-powered robot POWERED BY AI • AI Vision — detect and react to the world through the camera • Pose recognition — control robots with body movements • Gesture & hand recognition — trigger actions with a wave or a sign • Train your own custom pose and gesture classifiers TWO WAYS TO CODE • Live Mode — run blocks instantly and see results as you build • Compile Mode — flash full programs so your robot runs on its own MADE FOR LEARNING • Step-by-step build tutorials and example projects • Friendly visual interface designed for young makers • Real-time variable monitoring to see how code works • Multilingual support Whether in the classroom or at home, umcode makes STEM, robotics, and AI hands-on, creative, and fun. Snap together some blocks and bring your robot to life!
Screenshots
Verdict
The clearest difference is update cadence: umcode at fortnightly against 1chat's every 2 months. umcode also leads on iOS requirement (15.6 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
1chat ships an update every 2 months, umcode fortnightly. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.
| Parameter | 1chat | umcode |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 2 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 955 MB | 241 MB |
| Age rating | 4+ | 4+ |
| Developer | 高均 欧 | 深圳市悠悠汇网络科技有限公司 |
In-app purchases
1chat
No in-app purchases
umcode
No in-app purchases









