# IRIS10 vs otoTune

The clearest difference is ads: IRIS10 at none against otoTune's shown. IRIS10 also leads on iOS requirement (11.0 vs 14.0). otoTune's advantage is update cadence (every 2 months vs every 13 months). On price, in-app purchases and device support there is nothing between them.

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

IRIS10 ships an update every 13 months, otoTune every 2 months. The most recent releases landed on September 8, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | IRIS10 | otoTune |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (9 ratings)](https://appshunter.io/ios/app/ototune/id1531839328/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 13 months | **Every 2 months** |
| Monetization | — | Ad-supported |
| Size | 80 MB | 130 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [microtech system,Inc](https://appshunter.io/developer/1135938284) | [Soundwave Hearing LLC](https://appshunter.io/developer/1531839330) |

## What reviewers say

### IRIS10

[App page](https://appshunter.io/ios/app/iris10/id1448336216)

**In-app purchases:** none


### otoTune

[App page](https://appshunter.io/ios/app/ototune/id1531839328)

Personalize your Sontro hearing aids with a quick, patented test. This app offers guided setup for new users and fine-tuning controls to adjust sound. Create an account to unlock the full potential of your hearing devices.

**Highlights:** Personalize hearing aids with a 3-minute test, Guided setup tutorial for new users, Fine-tune Sontro device sound, Create a Soundwave account, Access hearing aid controls

**In-app purchases:** none


## Frequently asked questions

### Is IRIS10 free?

IRIS10 is free to download, with no in-app purchases.

### Is otoTune free?

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

### Do IRIS10 or otoTune have ads?

otoTune shows ads; IRIS10 does not.

### Which is updated more often, IRIS10 or otoTune?

IRIS10 ships an update every 13 months, and otoTune every 2 months. Most recently, IRIS10 was updated on September 8, 2026 and otoTune on September 10, 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.*