# Ksyear vs A chang

The clearest difference is update cadence: A chang at fortnightly against Ksyear's every 2 months. 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.

Ksyear ships an update every 2 months, A chang fortnightly. The most recent releases landed on September 23, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Ksyear | A chang |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Size | 3 MB | 2 MB |
| Requires iOS | 13 | 13 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [shenzhen cooingdv technology co.,ltd.](https://appshunter.io/developer/1255741645) | [Shenzhen Shenglong Technology Co., Ltd](https://appshunter.io/developer/1748314415) |

## What reviewers say

### Ksyear

[App page](https://appshunter.io/ios/app/ksyear/id6744685349)

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

**In-app purchases:** none


### A chang

[App page](https://appshunter.io/ios/app/a-chang/id6744846154)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ksyear free?

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

### Is A chang free?

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

### Do Ksyear or A chang have ads?

Neither Ksyear nor A chang shows ads.

### Which is updated more often, Ksyear or A chang?

Ksyear ships an update every 2 months, and A chang fortnightly. Most recently, Ksyear was updated on September 23, 2026 and A chang on September 20, 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.*