# PowerMaster vs VISCOM24 Qrcode Reader

The clearest difference is iOS requirement: PowerMaster at 12.0 against VISCOM24 Qrcode Reader's 16.0. On price, update cadence, 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.

PowerMaster ships an update every 4 months, VISCOM24 Qrcode Reader every 6 months. The most recent releases landed on July 10, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | PowerMaster | VISCOM24 Qrcode Reader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 6 months |
| Size | 52 MB | 5 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Cyber Energy Co., Ltd.](https://appshunter.io/developer/1463752550) | [FIERA MILANO SPA](https://appshunter.io/developer/669068261) |

## What reviewers say

### PowerMaster

[App page](https://appshunter.io/ios/app/powermaster/id1463752551)

**Features:** macOS Compatibility

**In-app purchases:** none


### VISCOM24 Qrcode Reader

[App page](https://appshunter.io/ios/app/viscom24-qrcode-reader/id6466253127)

**In-app purchases:** none


## Frequently asked questions

### Is PowerMaster free?

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

### Is VISCOM24 Qrcode Reader free?

VISCOM24 Qrcode Reader is free to download, with no in-app purchases.

### Do PowerMaster or VISCOM24 Qrcode Reader have ads?

Neither PowerMaster nor VISCOM24 Qrcode Reader shows ads.

### Which is updated more often, PowerMaster or VISCOM24 Qrcode Reader?

PowerMaster ships an update every 4 months, and VISCOM24 Qrcode Reader every 6 months. Most recently, PowerMaster was updated on July 10, 2026 and VISCOM24 Qrcode Reader on September 7, 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.*