# NFC_TAG vs KeyTag

The clearest difference is update cadence: KeyTag at every 2 months against NFC_TAG's every 27 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.

NFC_TAG ships an update every 27 months, KeyTag every 2 months. The most recent releases landed on September 25, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | NFC_TAG | KeyTag |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 27 months | **Every 2 months** |
| Size | 1 MB | 4 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Heaton Technology Co., Ltd.](https://appshunter.io/developer/1076063818) | [深圳市立显通科技有限公司](https://appshunter.io/developer/1501800212) |

## What reviewers say

### NFC_TAG

[App page](https://appshunter.io/ios/app/nfc-tag/id1482719147)

**In-app purchases:** none


### KeyTag

[App page](https://appshunter.io/ios/app/keytag/id1574286726)

**In-app purchases:** none


## Frequently asked questions

### Is NFC_TAG free?

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

### Is KeyTag free?

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

### Do NFC_TAG or KeyTag have ads?

Neither NFC_TAG nor KeyTag shows ads.

### Which is updated more often, NFC_TAG or KeyTag?

NFC_TAG ships an update every 27 months, and KeyTag every 2 months. Most recently, NFC_TAG was updated on September 25, 2026 and KeyTag on September 21, 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.*