# Picidae vs A chang

The clearest difference is update cadence: A chang at fortnightly against Picidae'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.

Picidae ships an update every 2 months, A chang fortnightly. The most recent releases landed on September 11, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Picidae | A chang |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Size | 45 MB | 2 MB |
| Requires iOS | **12.0** | 13 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Juyi digital technology Co., LTD](https://appshunter.io/developer/1719237523) | [Shenzhen Shenglong Technology Co., Ltd](https://appshunter.io/developer/1748314415) |

## What reviewers say

### Picidae

[App page](https://appshunter.io/ios/app/picidae/id6473601948)

**Features:** macOS Compatibility

**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 Picidae free?

Picidae 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 Picidae or A chang have ads?

Neither Picidae nor A chang shows ads.

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

Picidae ships an update every 2 months, and A chang fortnightly. Most recently, Picidae was updated on September 11, 2026 and A chang on September 20, 2026.

---

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