# 售后宝 vs 乐学S

The clearest difference is update cadence: 售后宝 at every 3 weeks against 乐学S's every 3 months. 乐学S's advantage is iOS requirement (9.0 vs 12.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

售后宝 ships an update every 3 weeks, 乐学S every 3 months. The most recent releases landed on October 24, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | 售后宝 | 乐学S |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/id1531249185/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Size | 90 MB | 45 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PubLink science and technology (Hangzhou) Co.,Ltd](https://appshunter.io/developer/1531249187) | [广东万家乐燃气具有限公司](https://appshunter.io/developer/917192145) |

## What reviewers say

### 售后宝

[App page](https://appshunter.io/ios/app/id1531249185)

**In-app purchases:** none


### 乐学S

[App page](https://appshunter.io/ios/app/s/id1606713913)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 售后宝 free?

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

### Is 乐学S free?

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

### Do 售后宝 or 乐学S have ads?

Neither 售后宝 nor 乐学S shows ads.

### Which is updated more often, 售后宝 or 乐学S?

售后宝 ships an update every 3 weeks, and 乐学S every 3 months. Most recently, 售后宝 was updated on October 24, 2026 and 乐学S on October 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*