# NFC Eink vs KeyTag

NFC Eink and KeyTag are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 25, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | NFC Eink | KeyTag |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/nfc-eink/id1539628050/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | — |
| Size | 1 MB | 4 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [博之 陆](https://appshunter.io/developer/1474729204) | [深圳市立显通科技有限公司](https://appshunter.io/developer/1501800212) |

## What reviewers say

### NFC Eink

[App page](https://appshunter.io/ios/app/nfc-eink/id1539628050)

This utility app leverages NFC technology to transmit images and display content on compatible devices. It requires an iPhone 8 or later running iOS 13 or above.

**Highlights:** NFC image transmission, Screen display functionality, NFC read/write capabilities, Compatible with iPhone 8 and above, Requires iOS 13 and above

**In-app purchases:** none


### KeyTag

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

**In-app purchases:** none


## Frequently asked questions

### Is NFC Eink free?

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

### Is KeyTag free?

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

### Do NFC Eink or KeyTag have ads?

Neither NFC Eink nor KeyTag shows ads.

### Which is updated more often, NFC Eink or KeyTag?

NFC Eink ships an update every 2 months, and KeyTag every 2 months. Most recently, NFC Eink 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.*