# 1chat vs 拾墨shimo

The clearest difference is in-app purchases: 1chat at none against 拾墨shimo's 3. 拾墨shimo's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 拾墨shimo sells 3 in-app purchases, starting at $0.99 per month. 1chat asks for nothing beyond the download.

1chat ships an update every 2 months, 拾墨shimo every 3 weeks. The most recent releases landed on October 11, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | 1chat | 拾墨shimo |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 955 MB | 103 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [高均 欧](https://appshunter.io/developer/1698659995) | [晓冲 马](https://appshunter.io/developer/1680827618) |

## 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


### 拾墨shimo

[App page](https://appshunter.io/ios/app/shimo/id6763016483)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月卡会员 | $0.99 | per month |
| 季卡会员 | $3.99 | per 3 months |
| 年卡会员 | $14.99 | per year |


## Frequently asked questions

### Is 1chat free?

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

### Is 拾墨shimo free?

拾墨shimo is free to download, with in-app purchases available.

### Do 1chat or 拾墨shimo have ads?

Neither 1chat nor 拾墨shimo shows ads.

### Which is updated more often, 1chat or 拾墨shimo?

1chat ships an update every 2 months, and 拾墨shimo every 3 weeks. Most recently, 1chat was updated on October 11, 2026 and 拾墨shimo on October 9, 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.*