# 攒金豆 vs StayBack

The clearest difference is in-app purchases: StayBack at none against 攒金豆's 1. StayBack also leads on update cadence (every 2 weeks vs every 9 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 攒金豆 sells 1 one-off in-app purchase. StayBack asks for nothing beyond the download.

攒金豆 ships an update every 9 months, StayBack every 2 weeks. The most recent releases landed on October 25, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | 攒金豆 | StayBack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 weeks** |
| Size | 2 MB | 3 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [阳 孙](https://appshunter.io/developer/1518808403) | [Shanghai Jiyou Information Technology Service Center](https://appshunter.io/developer/1751662459) |

## What reviewers say

### 攒金豆

[App page](https://appshunter.io/ios/app/id6745474072)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 永久解锁全部功能 | $3.99 | one-time |


### StayBack

[App page](https://appshunter.io/ios/app/stayback/id6758127942)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 攒金豆 free?

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

### Is StayBack free?

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

### Do 攒金豆 or StayBack have ads?

Neither 攒金豆 nor StayBack shows ads.

### Which is updated more often, 攒金豆 or StayBack?

攒金豆 ships an update every 9 months, and StayBack every 2 weeks. Most recently, 攒金豆 was updated on October 25, 2026 and StayBack on October 16, 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.*