# ArcNFC vs MasterKey

The clearest difference is update cadence: MasterKey at every 3 weeks against ArcNFC's every 5 months. MasterKey also leads on iOS requirement (9.0 vs 15.0). 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.

ArcNFC ships an update every 5 months, MasterKey every 3 weeks. The most recent releases landed on September 8, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | ArcNFC | MasterKey |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Size | 14 MB | 2 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [西恩 解](https://appshunter.io/developer/379647143) | [SMARTCHIP MICROELECTRONICS CORP.](https://appshunter.io/developer/872823142) |

## What reviewers say

### ArcNFC

[App page](https://appshunter.io/ios/app/arcnfc-nfc-tag-read-write-tool/id796319760)

**Features:** macOS Compatibility

**In-app purchases:** none


### MasterKey

[App page](https://appshunter.io/ios/app/masterkey/id1359619946)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ArcNFC free?

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

### Is MasterKey free?

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

### Do ArcNFC or MasterKey have ads?

Neither ArcNFC nor MasterKey shows ads.

### Which is updated more often, ArcNFC or MasterKey?

ArcNFC ships an update every 5 months, and MasterKey every 3 weeks. Most recently, ArcNFC was updated on September 8, 2026 and MasterKey on September 17, 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.*