# 开口鸭 vs Loudo朗读

The clearest difference is update cadence: 开口鸭 at every 3 days against Loudo朗读's every 9 days. Loudo朗读's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 开口鸭 sells 8 in-app purchases, starting at $0.99 per month and Loudo朗读 sells 2 in-app purchases, starting at $12.99 per year. Whichever you choose, the download price is not the number that matters.

开口鸭 ships an update every 3 days, Loudo朗读 every 9 days. The most recent releases landed on November 5, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | 开口鸭 | Loudo朗读 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 9 days |
| Size | 18 MB | 52 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [厦门云磁数字科技有限公司](https://appshunter.io/developer/1761081852) | [Xiamen Guangxu Zaodong Network Technology Co., Ltd.](https://appshunter.io/developer/6778687482) |

## What reviewers say

### 开口鸭

[App page](https://appshunter.io/ios/app/id6761402209)

**Features:** macOS Compatibility, Family Sharing, Vision Pro support, iPhone Duo support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro 会员（包月） | $0.99 | per month |
| Max 会员（包月） | $1.99 | per month |
| 30天挑战赛 | $0.99 | one-time |
| Pro 会员（单次包月） | $1.99 | one-time |
| Max 会员（单次包月） | $1.99 | one-time |
| 365天挑战赛 | $9.99 | one-time |
| Pro 年会员 | $14.99 | one-time |
| Max 年会员 | $24.99 | one-time |


### Loudo朗读

[App page](https://appshunter.io/ios/app/loudo/id6788224695)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Loudo PRO 年卡 | $12.99 | per year |
| Loudo MAX 年卡 | $29.90 | per year |


## Frequently asked questions

### Is 开口鸭 free?

开口鸭 is free to download, with in-app purchases available.

### Is Loudo朗读 free?

Loudo朗读 is free to download, with in-app purchases available.

### Do 开口鸭 or Loudo朗读 have ads?

Neither 开口鸭 nor Loudo朗读 shows ads.

### Which is updated more often, 开口鸭 or Loudo朗读?

开口鸭 ships an update every 3 days, and Loudo朗读 every 9 days. Most recently, 开口鸭 was updated on November 5, 2026 and Loudo朗读 on November 10, 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.*