# Chip Reader vs JustiZH

The clearest difference is update cadence: JustiZH at daily against Chip Reader's every 2 months. JustiZH also leads on device support (3 vs 1) and iOS requirement (13.0 vs 16.4). On price, ads and in-app purchases there is nothing between them.

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

Chip Reader ships an update every 2 months, JustiZH daily. The most recent releases landed on September 10, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Chip Reader | JustiZH |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Daily** |
| Size | 8 MB | 52 MB |
| Requires iOS | 16.4 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [fidentity AG](https://appshunter.io/developer/1608180416) | [Sven Vesely](https://appshunter.io/developer/1848080916) |

## What reviewers say

### Chip Reader

[App page](https://appshunter.io/ios/app/chip-reader/id1608180414)

**In-app purchases:** none


### JustiZH

[App page](https://appshunter.io/ios/app/justizh/id6754373684)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Chip Reader free?

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

### Is JustiZH free?

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

### Do Chip Reader or JustiZH have ads?

Neither Chip Reader nor JustiZH shows ads.

### Which is updated more often, Chip Reader or JustiZH?

Chip Reader ships an update every 2 months, and JustiZH daily. Most recently, Chip Reader was updated on September 10, 2026 and JustiZH on October 6, 2026.

---

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