# iSoundMate vs Three9x

The clearest difference is iOS requirement: iSoundMate at 13.0 against Three9x's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

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

iSoundMate ships an update every 2 months, Three9x every 5 weeks. Both last shipped on October 2, 2026.

## The numbers

| Metric | iSoundMate | Three9x |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/isoundmate/id6755421608/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Free | — |
| Size | 5 MB | 496 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [iBrigestone Tech Limited](https://appshunter.io/developer/1853787040) | [THREE9X (SMC-PRIVATE) LIMITED](https://appshunter.io/developer/6782750724) |

## What reviewers say

### iSoundMate

[App page](https://appshunter.io/ios/app/isoundmate/id6755421608)

This application allows users to remotely manage their hearing aids. Adjust volume, switch noise reduction settings, and monitor battery life and connection status directly from your device.

**Highlights:** Remote hearing aid control, Volume adjustment, MPO size adjustment, Feedback and noise reduction switching, Battery power check, Connection status monitoring

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

**In-app purchases:** none


### Three9x

[App page](https://appshunter.io/ios/app/three9x/id6782750722)

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

**In-app purchases:** none


## Frequently asked questions

### Is iSoundMate free?

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

### Is Three9x free?

Three9x is free to download, with no in-app purchases.

### Do iSoundMate or Three9x have ads?

Neither iSoundMate nor Three9x shows ads.

### Which is updated more often, iSoundMate or Three9x?

iSoundMate ships an update every 2 months, and Three9x every 5 weeks. Most recently, iSoundMate was updated on October 2, 2026 and Three9x on October 2, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*