# explainISO9606 vs QuickR

The clearest difference is price: QuickR at Free against explainISO9606's $1.99. QuickR also leads on iOS requirement (13.0 vs 17.0). explainISO9606's advantage is ads (none vs shown) and update cadence (every 4 months vs every 11 months). On in-app purchases and device support there is nothing between them.

QuickR is free to download; explainISO9606 costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

explainISO9606 ships an update every 4 months, QuickR every 11 months. The most recent releases landed on October 14, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | explainISO9606 | QuickR |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 4 months** | Every 11 months |
| Monetization | Paid | — |
| Size | 1 MB | 16 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Georg Rose](https://appshunter.io/developer/521567472) | [Daniel Hernandez Sanchez](https://appshunter.io/developer/1562406698) |

## What reviewers say

### explainISO9606

[App page](https://appshunter.io/ios/app/explainiso9606/id718226042)

This app helps users understand welder qualifications based on ISO 9606-1 standards. It provides detailed explanations and visual aids for specific welding parameters, allowing users to verify welder suitability for particular tasks.

**Highlights:** ISO 9606-1 welder qualification reference, Detailed explanations of welding elements, Visual aids and sketches, Welder suitability verification, Searchable ISO 9606-1 parameters

**Features:** macOS Compatibility

**In-app purchases:** none


### QuickR

[App page](https://appshunter.io/ios/app/quickr-qr-code-wallet/id6444117447)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is explainISO9606 free?

explainISO9606 costs $1.99, with no in-app purchases.

### Is QuickR free?

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

### Do explainISO9606 or QuickR have ads?

QuickR shows ads; explainISO9606 does not.

### Which is updated more often, explainISO9606 or QuickR?

explainISO9606 ships an update every 4 months, and QuickR every 11 months. Most recently, explainISO9606 was updated on October 14, 2026 and QuickR on October 3, 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.*