# ただ歩く vs Interval Timer

The clearest difference is price: Interval Timer at Free against ただ歩く's $3.99. ただ歩く's advantage is in-app purchases (none vs 1) and ads (none vs shown). On update cadence and device support there is nothing between them.

Interval Timer is free to download; ただ歩く costs $3.99 up front. Interval Timer sells 1 one-off in-app purchase. ただ歩く asks for nothing beyond the download.

ただ歩く ships an update every 6 days, Interval Timer weekly. The most recent releases landed on October 30, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | ただ歩く | Interval Timer |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 6 days** | Weekly |
| Size | 24 MB | 69 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sachiko Hagihara](https://appshunter.io/developer/1858151457) | [Katsunobu Sunagawa](https://appshunter.io/developer/6795139232) |

## What reviewers say

### ただ歩く

[App page](https://appshunter.io/ios/app/id6756512128)

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

**In-app purchases:** none


### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-focus-and-hiit/id6795139230)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Interval Timer Pro | $1.99 | one-time |


## Frequently asked questions

### Is ただ歩く free?

ただ歩く costs $3.99, with no in-app purchases.

### Is Interval Timer free?

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

### Do ただ歩く or Interval Timer have ads?

Interval Timer shows ads; ただ歩く does not.

### Which is updated more often, ただ歩く or Interval Timer?

ただ歩く ships an update every 6 days, and Interval Timer weekly. Most recently, ただ歩く was updated on October 30, 2026 and Interval Timer on October 29, 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.*