NFC Eink vs Einky
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
Einky
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A photo editing and screen projection tool specially designed for e-ink pendants, seamlessly connecting your phone with the e-ink pendant. No complex operations are required. With just one click, upload pictures from your phone's album and quickly project them onto the e-ink pendant. Easily turn family photos, celebrity idols, landscape photos, and inspiring words into portable and exclusive display items. It is equipped with practical photo editing tools that are compatible with the display characteristics of e-ink screens. With just a few simple steps, you can optimize your pictures: crop the size to fit the pendant, adjust the contrast to make the display clearer, and add text annotations. With simple operations, unlock the infinite possibilities of e-ink pendants and keep your creativity visible at all times. Come and download to experience it now
Screenshots
Verdict
The clearest difference is update cadence: Einky at every 11 days against NFC Eink's every 2 months. NFC Eink's advantage is iOS requirement (13.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.
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.
NFC Eink ships an update every 2 months, Einky every 11 days. Both last shipped on September 9, 2026.
| Parameter | NFC Eink | Einky |
|---|---|---|
| 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 11 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 1 MB | 44 MB |
| Age rating | 4+ | 4+ |
| Developer | 博之 陆 | 升寅 梁 |
In-app purchases
NFC Eink
No in-app purchases
Einky
No in-app purchases
