# QRU? vs API Matrix

The clearest difference is update cadence: API Matrix at every 5 days against QRU?'s every 3 weeks. 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.

QRU? ships an update every 3 weeks, API Matrix every 5 days. The most recent releases landed on September 14, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | QRU? | API Matrix |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Free | — |
| Size | 63 MB | 50 MB |
| Requires iOS | 16.4 | 16.4 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Jon Samp](https://appshunter.io/developer/1316843623) | [Chi Hin Lio](https://appshunter.io/developer/1896516878) |

## What reviewers say

### QRU?

[App page](https://appshunter.io/ios/app/qru-qr-code-debugger/id6741717337)

This tool helps developers debug QR codes by scanning them and breaking down the data into color-coded URL components. It provides instant scanning, QR code generation, and a scan history for easy management and analysis of encoded information.

**Highlights:** Colorized URL breakdown, Instant QR code scanning, QR code generation, Scan history log, Copy URL components, Open-source code

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

**In-app purchases:** none


### API Matrix

[App page](https://appshunter.io/ios/app/api-matrix/id6779679646)

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

**In-app purchases:** none


## Frequently asked questions

### Is QRU? free?

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

### Is API Matrix free?

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

### Do QRU? or API Matrix have ads?

Neither QRU? nor API Matrix shows ads.

### Which is updated more often, QRU? or API Matrix?

QRU? ships an update every 3 weeks, and API Matrix every 5 days. Most recently, QRU? was updated on September 14, 2026 and API Matrix on September 23, 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.*