# 快乐小鸡下蛋 vs Math101 Sketchy

The clearest difference is price: 快乐小鸡下蛋 at Free against Math101 Sketchy's $0.99. Math101 Sketchy's advantage is ads (none vs shown). On update cadence, in-app purchases, device support and iOS requirement there is nothing between them.

快乐小鸡下蛋 is free to download; Math101 Sketchy costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

快乐小鸡下蛋 ships an update every 35 months, Math101 Sketchy every 55 months. The most recent releases landed on October 6, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 快乐小鸡下蛋 | Math101 Sketchy |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 35 months** | Every 55 months |
| Size | 49 MB | 1 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [震 韩](https://appshunter.io/developer/650290529) | [Emrah Korkmaz](https://appshunter.io/developer/1485564066) |

## What reviewers say

### 快乐小鸡下蛋

[App page](https://appshunter.io/ios/app/id1165679280)

**Features:** macOS Compatibility

**In-app purchases:** none


### Math101 Sketchy

[App page](https://appshunter.io/ios/app/math101-sketchy-math-exercise/id1574084933)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is 快乐小鸡下蛋 free?

快乐小鸡下蛋 is free to download, with no in-app purchases.

### Is Math101 Sketchy free?

Math101 Sketchy costs $0.99, with no in-app purchases.

### Do 快乐小鸡下蛋 or Math101 Sketchy have ads?

快乐小鸡下蛋 shows ads; Math101 Sketchy does not.

### Which is updated more often, 快乐小鸡下蛋 or Math101 Sketchy?

快乐小鸡下蛋 ships an update every 35 months, and Math101 Sketchy every 55 months. Most recently, 快乐小鸡下蛋 was updated on October 6, 2026 and Math101 Sketchy on October 8, 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.*