# Zenphonia vs Optiburn

The clearest difference is in-app purchases: Optiburn at none against Zenphonia's 2. Optiburn also leads on iOS requirement (13.0 vs 15.0). Zenphonia's advantage is device support. On price there is nothing between them.

Both are free to download. Zenphonia sells 2 in-app purchases, starting at $5.99 per month. Optiburn asks for nothing beyond the download.

## The numbers

| Metric | Zenphonia | Optiburn |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | — |
| Update frequency | Every 6 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 90 MB | 26 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 12+ |
| Developer | [jamXmusic GmbH & Co KG](https://appshunter.io/developer/1504134286) | [Rezept-frei GmbH](https://appshunter.io/developer/1647925381) |

## What reviewers say

### Zenphonia

[App page](https://appshunter.io/ios/app/zenphonia/id1504134287)

Reduce stress, improve sleep, and find more balance with guided audio sessions. This app offers a unique approach to mindfulness, combining expert knowledge with sound sequences to enhance mental well-being and resilience.

**Highlights:** Harmonizing audio sound sequences, Personalized recommendations, Medical background information, Meditation planner, Offline mode, Community sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Access Monthly Pass | $5.99 | per month |
| All Access Yearly | $59.99 | per year |


### Optiburn

[App page](https://appshunter.io/ios/app/optiburn/id6443704660)

**In-app purchases:** none


## Frequently asked questions

### Is Zenphonia free?

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

### Is Optiburn free?

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

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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.*