# 纽扣群岛 vs 跳鲤

The clearest difference is update cadence: 纽扣群岛 at every 8 days against 跳鲤's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 纽扣群岛 sells 6 in-app purchases, starting at $2.99 per month and 跳鲤 sells 9 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

纽扣群岛 ships an update every 8 days, 跳鲤 every 3 weeks. The most recent releases landed on October 30, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | 纽扣群岛 | 跳鲤 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 3 weeks |
| Size | 25 MB | 77 MB |
| Requires iOS | 18.6 | 18.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 9+ | 17+ |
| Developer | [松柏 颜](https://appshunter.io/developer/1004943912) | [Ping'tu Network Technology (Suzhou) Co., Ltd.](https://appshunter.io/developer/1712219243) |

## What reviewers say

### 纽扣群岛

[App page](https://appshunter.io/ios/app/id6749531309)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 会员连续包月 | $2.99 | per month |
| 周卡 | $0.99 | one-time |
| 日卡 | $0.99 | one-time |
| 月卡 | $3.99 | one-time |
| 季卡 | $9.99 | one-time |
| 年卡 | $29.99 | one-time |


### 跳鲤

[App page](https://appshunter.io/ios/app/ai/id6753200619)

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 电池充值 | $0.99 | one-time |
| 电池充值（1元） | $0.99 | one-time |
| 跳鲤电池充值 | $2.99 | one-time |
| 跳鲤电池 | $3.99 | one-time |
| 跳鲤电池 | $9.99 | one-time |
| 跳鲤电池 | $19.99 | one-time |
| 跳鲤电池 | $39.99 | one-time |
| 跳鲤电池 | $69.99 | one-time |
| 跳鲤电池 | $149.99 | one-time |


## Frequently asked questions

### Is 纽扣群岛 free?

纽扣群岛 is free to download, with in-app purchases available.

### Is 跳鲤 free?

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

### Do 纽扣群岛 or 跳鲤 have ads?

Neither 纽扣群岛 nor 跳鲤 shows ads.

### Which is updated more often, 纽扣群岛 or 跳鲤?

纽扣群岛 ships an update every 8 days, and 跳鲤 every 3 weeks. Most recently, 纽扣群岛 was updated on October 30, 2026 and 跳鲤 on November 9, 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.*