# Neurosonic vs WellO2

The clearest difference is update cadence: Neurosonic at every 2 weeks against WellO2's every 6 weeks. WellO2's advantage is iOS requirement (12.0 vs 16.0). 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.

Neurosonic ships an update every 2 weeks, WellO2 every 6 weeks. The most recent releases landed on September 9, 2026 and May 16, 2026 respectively.

## The numbers

| Metric | Neurosonic | WellO2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/neurosonic/id1244878100/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Monetization | Free | — |
| Size | 125 MB | 54 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 12+ |
| Developer | [Neurosonic Finland](https://appshunter.io/developer/1244878099) | [WellO2 Oy](https://appshunter.io/developer/1621277574) |

## What reviewers say

### Neurosonic

[App page](https://appshunter.io/ios/app/neurosonic/id1244878100)

This application controls a device that uses low-frequency vibrations to promote relaxation, recovery, and better sleep. It offers various programs for different needs, from power naps to stress relief and post-sport recovery.

**Highlights:** Low-frequency vibration control, Autonomic nervous system balancing, Meditation-like relaxation state, Restores healthy sleep mechanisms, Programs for relaxation, activation, recovery, Supports power naps and stress relief

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

**In-app purchases:** none


### WellO2

[App page](https://appshunter.io/ios/app/wello2/id1621277572)

**In-app purchases:** none


## Frequently asked questions

### Is Neurosonic free?

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

### Is WellO2 free?

WellO2 is free to download, with no in-app purchases.

### Do Neurosonic or WellO2 have ads?

Neither Neurosonic nor WellO2 shows ads.

### Which is updated more often, Neurosonic or WellO2?

Neurosonic ships an update every 2 weeks, and WellO2 every 6 weeks. Most recently, Neurosonic was updated on September 9, 2026 and WellO2 on May 16, 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.*