# スマホで歩数計 vs StepFill

スマホで歩数計 and StepFill are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. スマホで歩数計 sells 1 one-off in-app purchase and StepFill sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

スマホで歩数計 ships an update fortnightly, StepFill every 10 days. The most recent releases landed on October 21, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | スマホで歩数計 | StepFill |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 10 days** |
| Size | 8 MB | 1 MB |
| Requires iOS | **17.5** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [YOSHIHIRO TAKAHASHI](https://appshunter.io/developer/574193873) | [Yusuke Morishita](https://appshunter.io/developer/6779776547) |

## What reviewers say

### スマホで歩数計

[App page](https://appshunter.io/ios/app/id1614107845)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 試用期間の制限解除（買い切り） | $3.99 | one-time |


### 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 スマホで歩数計 free?

スマホで歩数計 is free to download, with in-app purchases available.

### Is StepFill free?

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

### Do スマホで歩数計 or StepFill have ads?

Neither スマホで歩数計 nor StepFill shows ads.

### Which is updated more often, スマホで歩数計 or StepFill?

スマホで歩数計 ships an update fortnightly, and StepFill every 10 days. Most recently, スマホで歩数計 was updated on October 21, 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.*