# HARMONY vs Zenbox

The clearest difference is in-app purchases: HARMONY at none against Zenbox's 7. HARMONY also leads on iOS requirement (12.0 vs 16.4). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Zenbox sells 7 in-app purchases, starting at $0.99 per month. HARMONY asks for nothing beyond the download.

HARMONY ships an update every 2 weeks, Zenbox every 9 days. The most recent releases landed on September 30, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | HARMONY | Zenbox |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 9 days** |
| Monetization | — | Free with in-app purchases |
| Size | 88 MB | 370 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Qingdao Richmat Intelligence Technology Inc.](https://appshunter.io/developer/1814751082) | [Quantiq](https://appshunter.io/developer/1783089852) |

## What reviewers say

### HARMONY

[App page](https://appshunter.io/ios/app/harmony/id6478255796)

**Features:** macOS Compatibility

**In-app purchases:** none


### Zenbox

[App page](https://appshunter.io/ios/app/zenbox-breathing/id6738949147)

This app uses your smartphone camera to guide and correct your breathing exercises in real time. It employs clinically validated technology to measure vital signs, helping you master techniques for stress management, better sleep, and improved cardiovascular health.

**Highlights:** Real-time breathing guidance, Vital sign measurement via camera, Clinically validated technology, Stress management techniques, Improved sleep quality, Cardiovascular health benefits

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Launch 1month -expired | $0.99 | per month |
| Zenbox Pro Business Monthly | $2.99 | per month |
| Zenbox Premium monthly | $4.99 | per month |
| Premium Launch 1year - expired | $9.99 | per year |
| Zenbox Pro Business Yearly | $24.99 | per year |
| Zenbox Premium - Referred | $34.99 | per year |
| Zenbox Premium annual | $39.99 | per year |


## Frequently asked questions

### Is HARMONY free?

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

### Is Zenbox free?

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

### Do HARMONY or Zenbox have ads?

Neither HARMONY nor Zenbox shows ads.

### Which is updated more often, HARMONY or Zenbox?

HARMONY ships an update every 2 weeks, and Zenbox every 9 days. Most recently, HARMONY was updated on September 30, 2026 and Zenbox on October 6, 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.*