# 1chat vs umcode

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.

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.

## The numbers

| Metric | 1chat | umcode |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/1chat-a-simple-local-ai/id6741682608/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 955 MB | 241 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [高均 欧](https://appshunter.io/developer/1698659995) | [深圳市悠悠汇网络科技有限公司](https://appshunter.io/developer/1698967002) |

## What reviewers say

### 1chat

[App page](https://appshunter.io/ios/app/1chat-a-simple-local-ai/id6741682608)

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.

**Highlights:** Fully offline operation, No internet connection required, No login or registration, Built-in Qwen3 model, Multiple conversation management, Optimized for Apple chips

**Features:** macOS Compatibility

**In-app purchases:** none


### umcode

[App page](https://appshunter.io/ios/app/umcode/id6772873985)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 1chat free?

1chat is free to download, with no in-app purchases.

### Is umcode free?

umcode is free to download, with no in-app purchases.

### Do 1chat or umcode have ads?

Neither 1chat nor umcode shows ads.

### Which is updated more often, 1chat or umcode?

1chat ships an update every 2 months, and umcode fortnightly. Most recently, 1chat was updated on October 30, 2026 and umcode on October 31, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*