# Audiologist vs isuniYe OTC

The clearest difference is update cadence: Audiologist at every 3 months against isuniYe OTC's every 14 months. isuniYe OTC's advantage is iOS requirement (12.0 vs 14.0). On price, ads, 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.

Audiologist ships an update every 3 months, isuniYe OTC every 14 months. The most recent releases landed on October 29, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Audiologist | isuniYe OTC |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 14 months |
| Size | 10 MB | 35 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [欧仕达听力科技(厦门)有限公司](https://appshunter.io/developer/1405345564) | [iSuniye LLC](https://appshunter.io/developer/1126690445) |

## What reviewers say

### Audiologist

[App page](https://appshunter.io/ios/app/audiologist/id1405345565)

**In-app purchases:** none


### isuniYe OTC

[App page](https://appshunter.io/ios/app/isuniye-otc/id1457548524)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Audiologist free?

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

### Is isuniYe OTC free?

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

### Do Audiologist or isuniYe OTC have ads?

Neither Audiologist nor isuniYe OTC shows ads.

### Which is updated more often, Audiologist or isuniYe OTC?

Audiologist ships an update every 3 months, and isuniYe OTC every 14 months. Most recently, Audiologist was updated on October 29, 2026 and isuniYe OTC on October 26, 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.*