# 1chat vs 上下求索

The clearest difference is review sentiment: 1chat at 100% against 上下求索's 0%. 1chat also leads on in-app purchases (none vs 5). On price, update cadence, ads and monetization model there is nothing between them.

Both are free to download. 上下求索 sells 5 in-app purchases, starting at $3.99 per month. 1chat asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. Both last shipped on November 4, 2026.

## The numbers

| Metric | 1chat | 上下求索 |
| --- | --- | --- |
| 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** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | Free |
| Size | 955 MB | 21 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [高均 欧](https://appshunter.io/developer/1698659995) | [亿有引力](https://appshunter.io/developer/1787379474) |

## 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


### 上下求索

[App page](https://appshunter.io/ios/app/ai/id6741800737)

This intelligent assistant supports voice, text, and image input for Q&A and inspiration. Explore bite-sized knowledge, generate unique photos with the Time Gallery, and engage in follow-up questions for deeper understanding.

**Highlights:** Voice, text, and image input, Follow-up questions, Extended reading content, Bite-sized Knowledge module, Time Gallery photo generation, Task list and result page

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI Creation Monthly | $3.99 | per month |
| 50 张图片加量包 | $0.99 | one-time |
| 50 Coins | $0.99 | one-time |
| 170 Coins | $3.99 | one-time |
| 420 Coins | $9.99 | one-time |


## Frequently asked questions

### Is 1chat free?

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

### Is 上下求索 free?

上下求索 is free to download, with in-app purchases available.

### Do 1chat or 上下求索 have ads?

Neither 1chat nor 上下求索 shows ads.

### Which is updated more often, 1chat or 上下求索?

1chat ships an update every 2 months, and 上下求索 every 2 months. Most recently, 1chat was updated on November 4, 2026 and 上下求索 on November 4, 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.*