# Osia Smart vs AudioKey 2

The clearest difference is rating: AudioKey 2 at 5.0 against Osia Smart's 2.0. AudioKey 2 also leads on update cadence (every 4 months vs every 8 months). Osia Smart's advantage is ratings volume (45 vs 1). On price, review sentiment, 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.

AudioKey 2 holds the better App Store score, 5.0 against 2.0. That said, the two scores are not equally well evidenced: Osia Smart has 45 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 9% of Osia Smart's written reviews are positive against 11% of AudioKey 2's.

Osia Smart ships an update every 8 months, AudioKey 2 every 4 months. The most recent releases landed on October 21, 2026 and July 7, 2026 respectively.

## The numbers

| Metric | Osia Smart | AudioKey 2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (45 ratings)](https://appshunter.io/ios/app/osia-smart/id1455953522/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/audiokey-2/id1522269848/reviews)** |
| Number of ratings | **45** | 1 |
| Positive reviews | 8.9% of reviews | **11.1% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 4 months** |
| Monetization | Free | Free |
| Size | 210 MB | 243 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Cochlear Limited](https://appshunter.io/developer/489503787) | [MED-EL Elektromedizinische Geraete GmbH](https://appshunter.io/developer/455935145) |

## What reviewers say

### Osia Smart

[App page](https://appshunter.io/ios/app/osia-smart/id1455953522)

Manage your sound processor settings and personalize your hearing experience directly from your smartphone. Adjust volume, treble, mid, and bass, activate wireless streaming, and even locate a lost device. Access support and daily tips for optimal use.

**Highlights:** Change sound processor programs, Activate wireless streaming, Adjust volume, treble, mid, bass, Control accessory volume, Link programs to locations, Locate lost sound processor, View status and usage

**Features:** Apple Watch app

**In-app purchases:** none


### AudioKey 2

[App page](https://appshunter.io/ios/app/audiokey-2/id1522269848)

This app functions as a remote control for compatible MED-EL audio processors, allowing users to customize settings and check usage statistics. Caregivers can also utilize its features to support others, and it includes a tool to help locate misplaced devices.

**Highlights:** Remote control for audio processors, Customize personal settings, Find My Processor functionality, Check usage statistics, Access support material, Configure AudioStream device

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Osia Smart free?

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

### Is AudioKey 2 free?

AudioKey 2 is free to download, with no in-app purchases.

### Which has better reviews, Osia Smart or AudioKey 2?

AudioKey 2 is rated higher. Osia Smart averages 2.0 out of 5 from 45 ratings, while AudioKey 2 averages 5.0 from 1 ratings.

### Do Osia Smart or AudioKey 2 have ads?

Neither Osia Smart nor AudioKey 2 shows ads.

### Which is updated more often, Osia Smart or AudioKey 2?

Osia Smart ships an update every 8 months, and AudioKey 2 every 4 months. Most recently, Osia Smart was updated on October 21, 2026 and AudioKey 2 on July 7, 2026.

---

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