# 硬声 vs 瓦特AI

The clearest difference is in-app purchases: 硬声 at none against 瓦特AI's 9. 硬声 also leads on iOS requirement (12.0 vs 15.6). 瓦特AI's advantage is update cadence (weekly vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. 瓦特AI sells 9 one-off in-app purchases. 硬声 asks for nothing beyond the download.

硬声 ships an update every 3 weeks, 瓦特AI weekly. The most recent releases landed on October 7, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 硬声 | 瓦特AI |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Size | 92 MB | 145 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [湖南华秋数字科技有限公司](https://appshunter.io/developer/1721538736) | [Zhenjiang Jiutable Information Technology Co., Ltd](https://appshunter.io/developer/1696071531) |

## What reviewers say

### 硬声

[App page](https://appshunter.io/ios/app/id1566515534)

**Features:** macOS Compatibility

**In-app purchases:** none


### 瓦特AI

[App page](https://appshunter.io/ios/app/ai/id6450983303)

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100积分 | $0.99 | one-time |
| VIP会员 | $3.99 | one-time |
| 500积分 | $6.99 | one-time |
| VIP会员 | $7.99 | one-time |
| 1000积分 | $14.99 | one-time |
| 2000积分 | $29.99 | one-time |
| 5000积分 | $69.99 | one-time |
| VIP会员 | $79.99 | one-time |
| 10000积分 | $149.99 | one-time |


## Frequently asked questions

### Is 硬声 free?

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

### Is 瓦特AI free?

瓦特AI is free to download, with in-app purchases available.

### Do 硬声 or 瓦特AI have ads?

Neither 硬声 nor 瓦特AI shows ads.

### Which is updated more often, 硬声 or 瓦特AI?

硬声 ships an update every 3 weeks, and 瓦特AI weekly. Most recently, 硬声 was updated on October 7, 2026 and 瓦特AI on October 27, 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.*