# Interval Task Tracker vs うちの子手帳

The clearest difference is price: うちの子手帳 at Free against Interval Task Tracker's $1.99. うちの子手帳 also leads on update cadence (fortnightly vs every 8 months). Interval Task Tracker's advantage is ads (none vs shown). On in-app purchases, device support and iOS requirement there is nothing between them.

うちの子手帳 is free to download; Interval Task Tracker costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Interval Task Tracker ships an update every 8 months, うちの子手帳 fortnightly. The most recent releases landed on May 18, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Interval Task Tracker | うちの子手帳 |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | **Fortnightly** |
| Size | 8 MB | 32 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Seiji Ura](https://appshunter.io/developer/1358595888) | [TAS Company Limited.](https://appshunter.io/developer/1291818571) |

## What reviewers say

### Interval Task Tracker

[App page](https://appshunter.io/ios/app/interval-task-tracker/id1398939684)

**Features:** macOS Compatibility

**In-app purchases:** none


### うちの子手帳

[App page](https://appshunter.io/ios/app/id1450898484)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Interval Task Tracker free?

Interval Task Tracker costs $1.99, with no in-app purchases.

### Is うちの子手帳 free?

うちの子手帳 is free to download, with no in-app purchases.

### Do Interval Task Tracker or うちの子手帳 have ads?

うちの子手帳 shows ads; Interval Task Tracker does not.

### Which is updated more often, Interval Task Tracker or うちの子手帳?

Interval Task Tracker ships an update every 8 months, and うちの子手帳 fortnightly. Most recently, Interval Task Tracker was updated on May 18, 2026 and うちの子手帳 on June 1, 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.*