# EarUnion vs RetoneFit

The clearest difference is rating: RetoneFit at 5.0 against EarUnion's 3.7. EarUnion's advantage is update cadence (every 5 weeks vs every 3 months) and ratings volume (3 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

RetoneFit holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

EarUnion ships an update every 5 weeks, RetoneFit every 3 months. The most recent releases landed on October 25, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | EarUnion | RetoneFit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/earunion/id6443539361/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/retonefit/id6474723305/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Monetization | Free | Free |
| Size | 31 MB | 155 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [欧仕达听力科技(厦门)有限公司](https://appshunter.io/developer/1405345564) | [志琴 张](https://appshunter.io/developer/1429316716) |

## What reviewers say

### 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


### RetoneFit

[App page](https://appshunter.io/ios/app/retonefit/id6474723305)

This app enhances hearing aid functionality through Bluetooth connectivity. It offers personalized hearing management, including accurate audiometry, scene switching, and volume adjustments for an optimized listening experience.

**Highlights:** Bluetooth Low Power connectivity, Accurate audiometry for hearing assessment, Automatic and manual scene mode switching, Location-based scene presets, Volume and subjective perception adjustment, Wide compatibility with company hearing aids

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is EarUnion free?

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

### Is RetoneFit free?

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

### Which has better reviews, EarUnion or RetoneFit?

RetoneFit is rated higher. EarUnion averages 3.7 out of 5 from 3 ratings, while RetoneFit averages 5.0 from 1 ratings.

### Do EarUnion or RetoneFit have ads?

Neither EarUnion nor RetoneFit shows ads.

### Which is updated more often, EarUnion or RetoneFit?

EarUnion ships an update every 5 weeks, and RetoneFit every 3 months. Most recently, EarUnion was updated on October 25, 2026 and RetoneFit on October 1, 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.*