# KATACHI Workout & Body Tracker vs Interval Routine Timer

The clearest difference is update cadence: Interval Routine Timer at daily against KATACHI Workout & Body Tracker's every 3 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

KATACHI Workout & Body Tracker ships an update every 3 days, Interval Routine Timer daily. The most recent releases landed on October 10, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | KATACHI Workout & Body Tracker | Interval Routine Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 days | **Daily** |
| Size | 11 MB | 52 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Keisuke Sugimoto](https://appshunter.io/developer/6776073638) | [junto yanai](https://appshunter.io/developer/6817621328) |

## What reviewers say

### KATACHI Workout & Body Tracker

[App page](https://appshunter.io/ios/app/katachi-workout-and-body-tracker/id6784926716)

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

**In-app purchases:** none


### Interval Routine Timer

[App page](https://appshunter.io/ios/app/interval-routine-timer/id6817631557)

**In-app purchases:** none


## Frequently asked questions

### Is KATACHI Workout & Body Tracker free?

KATACHI Workout & Body Tracker is free to download, with no in-app purchases.

### Is Interval Routine Timer free?

Interval Routine Timer is free to download, with no in-app purchases.

### Do KATACHI Workout & Body Tracker or Interval Routine Timer have ads?

Neither KATACHI Workout & Body Tracker nor Interval Routine Timer shows ads.

### Which is updated more often, KATACHI Workout & Body Tracker or Interval Routine Timer?

KATACHI Workout & Body Tracker ships an update every 3 days, and Interval Routine Timer daily. Most recently, KATACHI Workout & Body Tracker was updated on October 10, 2026 and Interval Routine Timer on October 9, 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.*