# むつざわさん歩 vs StepFill

The clearest difference is in-app purchases: むつざわさん歩 at none against StepFill's 3. むつざわさん歩 also leads on iOS requirement (14.0 vs 18.0). StepFill's advantage is update cadence (every 10 days vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. StepFill sells 3 in-app purchases, starting at $2.99 per month. むつざわさん歩 asks for nothing beyond the download.

むつざわさん歩 ships an update every 4 months, StepFill every 10 days. The most recent releases landed on October 16, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | むつざわさん歩 | StepFill |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 10 days** |
| Size | 32 MB | 1 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [株式会社スコープ](https://appshunter.io/developer/1559489533) | [Yusuke Morishita](https://appshunter.io/developer/6779776547) |

## What reviewers say

### むつざわさん歩

[App page](https://appshunter.io/ios/app/id1559489531)

**Features:** macOS Compatibility

**In-app purchases:** none


### StepFill

[App page](https://appshunter.io/ios/app/stepfill/id6779776545)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $2.99 | per month |
| Yearly Premium | $29.99 | per year |
| Lifetime | $69.99 | one-time |


## Frequently asked questions

### Is むつざわさん歩 free?

むつざわさん歩 is free to download, with no in-app purchases.

### Is StepFill free?

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

### Do むつざわさん歩 or StepFill have ads?

Neither むつざわさん歩 nor StepFill shows ads.

### Which is updated more often, むつざわさん歩 or StepFill?

むつざわさん歩 ships an update every 4 months, and StepFill every 10 days. Most recently, むつざわさん歩 was updated on October 16, 2026 and StepFill on October 14, 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.*