# 素数ウォーク vs ATMÓS

The clearest difference is in-app purchases: 素数ウォーク at none against ATMÓS's 1. ATMÓS's advantage is ads (none vs shown) and device support (3 vs 1). On price there is nothing between them.

Both are free to download. ATMÓS sells 1 one-off in-app purchase. 素数ウォーク asks for nothing beyond the download.

## The numbers

| Metric | 素数ウォーク | ATMÓS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (5 ratings)](https://appshunter.io/ios/app/atmos/id6761055879/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | — | Every 2 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 8 MB | 25 MB |
| Requires iOS | 18.4 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Keisuke Nakashima](https://appshunter.io/developer/1691259083) | [Hiroya Tanaka](https://appshunter.io/developer/1887542375) |

## What reviewers say

### 素数ウォーク

[App page](https://appshunter.io/ios/app/id6747550365)

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

**In-app purchases:** none


### ATMÓS

[App page](https://appshunter.io/ios/app/atmos/id6761055879)

This app creates unique, evolving ambient soundscapes generated in real-time based on live weather data. Choose from four modes designed for sleep, relaxation, meditation, or focus, with sounds that adapt to your environment.

**Highlights:** Real-time audio synthesis, Weather-driven soundscapes, Four distinct modes (Sleep, Relax, Meditate, Focus), Background playback, Sleep Timer

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sleep Timer | $2.99 | one-time |


## Frequently asked questions

### Is 素数ウォーク free?

素数ウォーク is free to download, with no in-app purchases.

### Is ATMÓS free?

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

### Do 素数ウォーク or ATMÓS have ads?

素数ウォーク shows ads; ATMÓS does not.

---

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