# NFC CellMonitor vs SmartKeyApp

The clearest difference is update cadence: NFC CellMonitor at daily against SmartKeyApp's every 4 days. 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.

NFC CellMonitor ships an update daily, SmartKeyApp every 4 days. The most recent releases landed on September 20, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | NFC CellMonitor | SmartKeyApp |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 4 days |
| Size | 19 MB | 26 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MTools Tec Co., Ltd](https://appshunter.io/developer/1531056218) | [GoldCard-Power](https://appshunter.io/developer/6771682685) |

## What reviewers say

### NFC CellMonitor

[App page](https://appshunter.io/ios/app/nfc-cellmonitor/id6759630875)

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

**In-app purchases:** none


### SmartKeyApp

[App page](https://appshunter.io/ios/app/smartkeyapp/id6771682683)

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

**In-app purchases:** none


## Frequently asked questions

### Is NFC CellMonitor free?

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

### Is SmartKeyApp free?

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

### Do NFC CellMonitor or SmartKeyApp have ads?

Neither NFC CellMonitor nor SmartKeyApp shows ads.

### Which is updated more often, NFC CellMonitor or SmartKeyApp?

NFC CellMonitor ships an update daily, and SmartKeyApp every 4 days. Most recently, NFC CellMonitor was updated on September 20, 2026 and SmartKeyApp on September 14, 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.*