# 成长星约定 vs 乐卡星球

The clearest difference is in-app purchases: 乐卡星球 at none against 成长星约定's 2. 乐卡星球 also leads on update cadence (every 2 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 成长星约定 sells 2 one-off in-app purchases. 乐卡星球 asks for nothing beyond the download.

成长星约定 ships an update every 2 months, 乐卡星球 every 2 weeks. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | 成长星约定 | 乐卡星球 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 55 MB | 79 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [均 李](https://appshunter.io/developer/1153873787) | [Shenzhen Micro Focus Technology Co.,Ltd](https://appshunter.io/developer/1552188458) |

## What reviewers say

### 成长星约定

[App page](https://appshunter.io/ios/app/id6740259996)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度会员 | $1.99 | one-time |
| 终身会员 | $4.99 | one-time |


### 乐卡星球

[App page](https://appshunter.io/ios/app/id6769284227)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 成长星约定 free?

成长星约定 is free to download, with in-app purchases available.

### Is 乐卡星球 free?

乐卡星球 is free to download, with no in-app purchases.

### Do 成长星约定 or 乐卡星球 have ads?

Neither 成长星约定 nor 乐卡星球 shows ads.

### Which is updated more often, 成长星约定 or 乐卡星球?

成长星约定 ships an update every 2 months, and 乐卡星球 every 2 weeks. Most recently, 成长星约定 was updated on October 30, 2026 and 乐卡星球 on November 5, 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.*