# Harmonix OTC vs Navoa

The clearest difference is update cadence: Harmonix OTC at every 2 days against Navoa's every 2 weeks. Harmonix OTC also leads on iOS requirement (11.0 vs 18.0). 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.

Harmonix OTC ships an update every 2 days, Navoa every 2 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Harmonix OTC | Navoa |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 2 weeks |
| Size | 128 MB | 31 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Huizhou Jinghao Medical Technology Co.,Ltd.](https://appshunter.io/developer/1543340471) | [Arctic Applications](https://appshunter.io/developer/1884346657) |

## What reviewers say

### Harmonix OTC

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Navoa

[App page](https://appshunter.io/ios/app/navoa/id6760416342)

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

**In-app purchases:** none


## Frequently asked questions

### Is Harmonix OTC free?

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

### Is Navoa free?

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

### Do Harmonix OTC or Navoa have ads?

Neither Harmonix OTC nor Navoa shows ads.

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

Harmonix OTC ships an update every 2 days, and Navoa every 2 weeks. Most recently, Harmonix OTC was updated on October 30, 2026 and Navoa on October 31, 2026.

---

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