# Reiwa Widget vs Contour Detection

The clearest difference is ads: Reiwa Widget at none against Contour Detection's shown. Reiwa Widget also leads on device support (3 vs 1) and iOS requirement (8.2 vs 17.7.2). Contour Detection's advantage is update cadence (fortnightly vs every 2 months). On price and in-app purchases there is nothing between them.

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

Reiwa Widget ships an update every 2 months, Contour Detection fortnightly. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Reiwa Widget | Contour Detection |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/reiwa-widget/id1203171804/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 52 MB | 36 MB |
| Requires iOS | **8.2** | 17.7.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Airwire products.](https://appshunter.io/developer/471910489) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## What reviewers say

### Reiwa Widget

[App page](https://appshunter.io/ios/app/reiwa-widget/id1203171804)

This utility app displays the current Japanese era directly on your device's notification center. It provides a quick and easy way to reference the Japanese calendar system.

**Highlights:** Japanese era display, Notification Center integration, Quick reference, Japanese calendar

**Features:** macOS Compatibility

**In-app purchases:** none


### Contour Detection

[App page](https://appshunter.io/ios/app/contour-detection/id6511213082)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Reiwa Widget free?

Reiwa Widget is free to download, with no in-app purchases.

### Is Contour Detection free?

Contour Detection is free to download, with no in-app purchases.

### Do Reiwa Widget or Contour Detection have ads?

Contour Detection shows ads; Reiwa Widget does not.

### Which is updated more often, Reiwa Widget or Contour Detection?

Reiwa Widget ships an update every 2 months, and Contour Detection fortnightly. Most recently, Reiwa Widget was updated on November 2, 2026 and Contour Detection on November 4, 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.*