# iWatch vs 郵便番号さがし

The clearest difference is device support: iWatch at 3 against 郵便番号さがし's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. iWatch sells 3 in-app purchases, starting at $0.99 per month and 郵便番号さがし sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

iWatch ships an update monthly, 郵便番号さがし fortnightly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | iWatch | 郵便番号さがし |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/iwatch-the-cool-watch/id6449888918/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 9 MB | 23 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Takao Ichimura](https://appshunter.io/developer/1474061593) | [YU KORIKI](https://appshunter.io/developer/6776222963) |

## What reviewers say

### iWatch

[App page](https://appshunter.io/ios/app/iwatch-the-cool-watch/id6449888918)

This digital watch app offers a large, easy-to-read display with accurate second updates, preventing time skipping. Customize themes and switch between 12/24 hour formats. Supports iPad split view.

**Highlights:** Accurate second display, Large, easy-to-read interface, Customizable theme colors, 12/24 hour format switching, iPad Split View and Slide Over support

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $0.99 | per month |
| Yearly Plan | $2.99 | per year |
| Remove Ads | $2.99 | one-time |


### 郵便番号さがし

[App page](https://appshunter.io/ios/app/japan-postal-code/id6808419083)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告を非表示にする | $1.99 | one-time |


## Frequently asked questions

### Is iWatch free?

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

### Is 郵便番号さがし free?

郵便番号さがし is free to download, with in-app purchases available.

### Do iWatch or 郵便番号さがし have ads?

Both iWatch and 郵便番号さがし show ads.

### Which is updated more often, iWatch or 郵便番号さがし?

iWatch ships an update monthly, and 郵便番号さがし fortnightly. Most recently, iWatch was updated on October 24, 2026 and 郵便番号さがし on October 25, 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.*