# Relax by meditone® Premium vs Ostron

The clearest difference is price: Ostron at Free against Relax by meditone® Premium's $6.99. Ostron also leads on update cadence (every 5 weeks vs every 4 months). Relax by meditone® Premium's advantage is iOS requirement (12.0 vs 15.6). On ads, in-app purchases and device support there is nothing between them.

Ostron is free to download; Relax by meditone® Premium costs $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Relax by meditone® Premium ships an update every 4 months, Ostron every 5 weeks. The most recent releases landed on November 1, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Relax by meditone® Premium | Ostron |
| --- | --- | --- |
| Price | $6.99 | **Free** |
| Positive reviews | 81.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Monetization | Paid | — |
| Size | 211 MB | 31 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [digiart,Inc.](https://appshunter.io/developer/411489585) | [Ostron Ltd.](https://appshunter.io/developer/1749802851) |

## What reviewers say

### Relax by meditone® Premium

[App page](https://appshunter.io/ios/app/relax-by-meditone-premium/id533044973)

This app offers a collection of nature sounds and calming tones designed to help users relax, improve sleep, and reduce stress. It provides extended listening sessions for focused work, commuting, or unwinding after a long day.

**Highlights:** Nature sounds (wave, wind, rain, water), Extended listening sessions (up to 175 minutes), Stress and fatigue relief, Improved sleep quality, Enhanced concentration for work and study, Calming tones

**In-app purchases:** none


### Ostron

[App page](https://appshunter.io/ios/app/ostron/id6476379366)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Relax by meditone® Premium free?

Relax by meditone® Premium costs $6.99, with no in-app purchases.

### Is Ostron free?

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

### Do Relax by meditone® Premium or Ostron have ads?

Neither Relax by meditone® Premium nor Ostron shows ads.

### Which is updated more often, Relax by meditone® Premium or Ostron?

Relax by meditone® Premium ships an update every 4 months, and Ostron every 5 weeks. Most recently, Relax by meditone® Premium was updated on November 1, 2026 and Ostron on October 27, 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.*