# achei vs 轻响AI

The clearest difference is iOS requirement: 轻响AI at 13.0 against achei's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

achei ships an update every 2 weeks, 轻响AI every 8 days. The most recent releases landed on September 11, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | achei | 轻响AI |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 8 days** |
| Monetization | — | Free |
| Size | 17 MB | 36 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [WooSync (Shanghai) Technology Co., Ltd](https://appshunter.io/developer/1766014898) | [Beijing Burst Fruit Technology Co., Ltd](https://appshunter.io/developer/1797281621) |

## What reviewers say

### achei

[App page](https://appshunter.io/ios/app/achei/id6670375901)

**Features:** macOS Compatibility

**In-app purchases:** none


### 轻响AI

[App page](https://appshunter.io/ios/app/ai/id6759826969)

This app uses AI to facilitate conversations, both with new people and existing friends. It offers AI-generated conversation starters, icebreakers, and interactive games to enhance social interactions and help users discover more about themselves and others.

**Highlights:** AI conversation starters, Interactive AI-hosted games, AI-generated personality radar chart, AI-assisted matching based on personality, Support for text, image, and voice messages, AI-powered icebreakers for group chats

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

**In-app purchases:** none


## Frequently asked questions

### Is achei free?

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

### Is 轻响AI free?

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

### Do achei or 轻响AI have ads?

Neither achei nor 轻响AI shows ads.

### Which is updated more often, achei or 轻响AI?

achei ships an update every 2 weeks, and 轻响AI every 8 days. Most recently, achei was updated on September 11, 2026 and 轻响AI on September 7, 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.*