# 音书 vs 听苏

The clearest difference is ads: 听苏 at none against 音书's shown. 听苏 also leads on iOS requirement (12.0 vs 15.0). On price, update cadence, 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.

Both ship on a similar rhythm, roughly every 3 weeks. Both last shipped on October 20, 2026.

## The numbers

| Metric | 音书 | 听苏 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (8 ratings)](https://appshunter.io/ios/app/id1188210983/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 128 MB | 93 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [音书科技](https://appshunter.io/developer/1188210982) | [奥博铁克(苏州)智能科技有限公司](https://appshunter.io/developer/1597748881) |

## What reviewers say

### 音书

[App page](https://appshunter.io/ios/app/id1188210983)

This communication tool assists individuals with hearing impairments by converting spoken language into text and vice versa. It offers features like real-time translation, voice training, and subtitle transcription to enhance communication efficiency between deaf and hearing individuals.

**Highlights:** Real-time voice to text translation, Text to voice conversion, AI-powered speech training, Long-distance voice reception (up to 4 meters), Video call transcription, Subtitle projection for large audiences

**Features:** macOS Compatibility

**In-app purchases:** none


### 听苏

[App page](https://appshunter.io/ios/app/id6446015043)

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

**In-app purchases:** none


## Frequently asked questions

### Is 音书 free?

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

### Is 听苏 free?

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

### Do 音书 or 听苏 have ads?

音书 shows ads; 听苏 does not.

### Which is updated more often, 音书 or 听苏?

音书 ships an update every 3 weeks, and 听苏 every 3 weeks. Most recently, 音书 was updated on October 20, 2026 and 听苏 on October 20, 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.*