NFC Eink vs KeyTag
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NFC Eink
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.
- NFC image transmission
- Screen display functionality
- NFC read/write capabilities
- Compatible with iPhone 8 and above
- Requires iOS 13 and above
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一款基于NFC读写功能开发的工具型APP，通过无源NFC技术向我们的指定产品传送图像，刷屏等功能。 机型要求: iPhone8及以上 系统要求: ios13及以上
KeyTag
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用户可以裁剪图片，传到NFC吊牌上显示。支持iphone8及以上机型。
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | NFC Eink | KeyTag |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 1 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | 博之 陆 | 深圳市立显通科技有限公司 |
In-app purchases
NFC Eink
No in-app purchases
KeyTag
No in-app purchases
