# QM Master vs Pay9

The clearest difference is update cadence: Pay9 at every 3 weeks against QM Master's every 3 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.

QM Master ships an update every 3 months, Pay9 every 3 weeks. The most recent releases landed on September 16, 2026 and September 1, 2026 respectively.

## The numbers

| Metric | QM Master | Pay9 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 24 MB | 178 MB |
| Requires iOS | **15.1** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [My Gold I by Quantum Metal](https://appshunter.io/developer/1502019139) | [Masterpay Global](https://appshunter.io/developer/1805103438) |

## What reviewers say

### QM Master

[App page](https://appshunter.io/ios/app/qm-master/id6736499391)

**Features:** macOS Compatibility

**In-app purchases:** none


### Pay9

[App page](https://appshunter.io/ios/app/pay9/id6748682413)

**In-app purchases:** none


## Frequently asked questions

### Is QM Master free?

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

### Is Pay9 free?

Pay9 is free to download, with no in-app purchases.

### Do QM Master or Pay9 have ads?

Neither QM Master nor Pay9 shows ads.

### Which is updated more often, QM Master or Pay9?

QM Master ships an update every 3 months, and Pay9 every 3 weeks. Most recently, QM Master was updated on September 16, 2026 and Pay9 on September 1, 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.*