# 百变鸭 vs Annual Ring

The clearest difference is in-app purchases: Annual Ring at none against 百变鸭's 2. Annual Ring also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 百变鸭 sells 2 one-off in-app purchases. Annual Ring asks for nothing beyond the download.

## The numbers

| Metric | 百变鸭 | Annual Ring |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | — | Every 3 weeks |
| Size | 37 MB | 25 MB |
| Requires iOS | 10.0 | 10.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [倩 覃](https://appshunter.io/developer/1581916386) | [颖昭 范](https://appshunter.io/developer/1476704080) |

## What reviewers say

### 百变鸭

[App page](https://appshunter.io/ios/app/id1584060571)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度会员 | $0.99 | one-time |
| 季度会员 | $2.99 | one-time |


### Annual Ring

[App page](https://appshunter.io/ios/app/annual-ring/id1605609710)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 百变鸭 free?

百变鸭 is free to download, with in-app purchases available.

### Is Annual Ring free?

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

### Do 百变鸭 or Annual Ring have ads?

百变鸭 shows ads; Annual Ring does not.

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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.*