NFC Eink vs EarUnion
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
EarUnion
This utility app allows users to connect and personalize their listening devices. It offers sound tuning, scene customization with environmental options, and language settings. Users are advised to seek medical advice for any health-related decisions.
- Device connection and search
- Personalized listening settings
- Customizable sound scenes
- Sound tuning options
- Multi-language support
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Functional content: 1. Support search and connect devices, and set personalized listening. 2. It supports 2 default scenes and 1 custom scene, and the custom scene contains 6 kinds of environment options. 3. Support sound tunning, including sound optimizer, Attunement, MIC control, noise reduction, feedback cancellation. 4. Support three language settings (Simplified Chinese, Traditional Chinese, English) Disclaimer: When you use our APP, please seek medical advice before making medical decisions.
Screenshots
Verdict
The clearest difference is review sentiment: EarUnion at 100% against NFC Eink's 0%. NFC Eink's advantage is rating (2.0 vs 1.0). On price, ratings volume, update cadence and ads 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 holds the better App Store score, 2.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews complicate that: 0% of NFC Eink's written reviews are positive against 100% of EarUnion's, so the app with the better star average is not the one people write more warmly about.
NFC Eink ships an update every 2 months, EarUnion every 5 weeks. The most recent releases landed on September 9, 2026 and June 4, 2026 respectively.
| Parameter | NFC Eink | EarUnion |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (1 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 1 | 1 |
| Update frequency | Every 2 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 1 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | 博之 陆 | 欧仕达听力科技(厦门)有限公司 |
Customer experience
NFC Eink
EarUnion
In-app purchases
NFC Eink
No in-app purchases
EarUnion
No in-app purchases
