# シンプル歩数 vs AstroWalk

The clearest difference is ads: シンプル歩数 at none against AstroWalk's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. シンプル歩数 sells 6 in-app purchases, starting at $0.99 per month and AstroWalk sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 3 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | シンプル歩数 | AstroWalk |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 days | Every 3 days |
| Monetization | — | Free with in-app purchases |
| Size | 37 MB | 31 MB |
| Requires iOS | **17.6** | 18.2 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Takahiro Hama](https://appshunter.io/developer/1534557976) | [Rin Takemura](https://appshunter.io/developer/1526931035) |

## What reviewers say

### シンプル歩数

[App page](https://appshunter.io/ios/app/id6771304943)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 歩数月額プラン | $0.99 | per month |
| 月額プラン | $1.99 | per month |
| 歩数年額プラン | $1.99 | per year |
| 年額プラン | $6.99 | per year |
| 広告非表示 | $1.99 | one-time |
| 買い切りプラン | $2.99 | one-time |


### AstroWalk

[App page](https://appshunter.io/ios/app/astrowalk-step-through-space/id6797235820)

This app transforms your daily steps into a journey through the solar system. Walk to virtually travel between planets and moons, collecting them as you go. A premium upgrade unlocks the full solar system and removes ads.

**Highlights:** Step count converted to solar system distance, Virtual travel to planets and moons, Collection of reached celestial bodies, Home screen widget for progress tracking, Health app integration for step data, Premium unlock for full solar system

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AstroWalk Premium Plan | $4.99 | per month |
| AstroWalk Premium Plan | $34.99 | per year |
| Lifetime Plan | $69.99 | one-time |


## Frequently asked questions

### Is シンプル歩数 free?

シンプル歩数 is free to download, with in-app purchases available.

### Is AstroWalk free?

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

### Do シンプル歩数 or AstroWalk have ads?

AstroWalk shows ads; シンプル歩数 does not.

### Which is updated more often, シンプル歩数 or AstroWalk?

シンプル歩数 ships an update every 3 days, and AstroWalk every 3 days. Most recently, シンプル歩数 was updated on October 31, 2026 and AstroWalk on October 31, 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.*