# NFC Eink vs EarUnion

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.

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.

## The numbers

| Metric | NFC Eink | EarUnion |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/nfc-eink/id1539628050/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/earunion/id6443539361/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 1 MB | 31 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [博之 陆](https://appshunter.io/developer/1474729204) | [欧仕达听力科技(厦门)有限公司](https://appshunter.io/developer/1405345564) |

## 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


### EarUnion

[App page](https://appshunter.io/ios/app/earunion/id6443539361)

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.

**Highlights:** Device connection and search, Personalized listening settings, Customizable sound scenes, Sound tuning options, Multi-language support

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NFC Eink free?

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

### Is EarUnion free?

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

### Which has better reviews, NFC Eink or EarUnion?

NFC Eink is rated higher. NFC Eink averages 2.0 out of 5 from 1 ratings, while EarUnion averages 1.0 from 1 ratings.

### Do NFC Eink or EarUnion have ads?

Neither NFC Eink nor EarUnion shows ads.

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

NFC Eink ships an update every 2 months, and EarUnion every 5 weeks. Most recently, NFC Eink was updated on September 9, 2026 and EarUnion on June 4, 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.*