# Harmonix OTC vs MaxHear

The clearest difference is in-app purchases: Harmonix OTC at none against MaxHear's 2. Harmonix OTC also leads on update cadence (every 2 days vs every 9 days) and iOS requirement (11.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. MaxHear sells 2 in-app purchases, starting at $9.99 per month. Harmonix OTC asks for nothing beyond the download.

Harmonix OTC ships an update every 2 days, MaxHear every 9 days. The most recent releases landed on October 6, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Harmonix OTC | MaxHear |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 9 days |
| Size | 128 MB | 18 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Huizhou Jinghao Medical Technology Co.,Ltd.](https://appshunter.io/developer/1543340471) | [Kyrylo Karlov](https://appshunter.io/developer/6790774065) |

## What reviewers say

### Harmonix OTC

[App page](https://appshunter.io/ios/app/harmonix-otc/id6756475067)

**Features:** macOS Compatibility

**In-app purchases:** none


### MaxHear

[App page](https://appshunter.io/ios/app/maxhear-hearing-amplifier/id6790774063)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $9.99 | per month |
| Yearly | $49.99 | per year |


## Frequently asked questions

### Is Harmonix OTC free?

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

### Is MaxHear free?

MaxHear is free to download, with in-app purchases available.

### Do Harmonix OTC or MaxHear have ads?

Neither Harmonix OTC nor MaxHear shows ads.

### Which is updated more often, Harmonix OTC or MaxHear?

Harmonix OTC ships an update every 2 days, and MaxHear every 9 days. Most recently, Harmonix OTC was updated on October 6, 2026 and MaxHear on October 24, 2026.

---

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