# 週間天気予報 Sunny vs AirQualityMeter

The clearest difference is review sentiment: AirQualityMeter at 50% against 週間天気予報 Sunny's 33%. On price, update cadence, ads 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.

週間天気予報 Sunny ships an update every 2 months, AirQualityMeter every 3 months. The most recent releases landed on September 22, 2026 and September 1, 2026 respectively.

## The numbers

| Metric | 週間天気予報 Sunny | AirQualityMeter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/sunny/id1448102526/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 33.3% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Ad-supported | Ad-supported |
| Size | 56 MB | 8 MB |
| Requires iOS | **16.0** | 16.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [NilCraft Inc.](https://appshunter.io/developer/458823527) | [Yuta Endo](https://appshunter.io/developer/1621719139) |

## What reviewers say

### 週間天気予報 Sunny

[App page](https://appshunter.io/ios/app/sunny/id1448102526)

This weather app displays daily essential weather and pollen forecasts on a single screen. It accurately captures weather changes using the latest data and is easy to use by setting your area via location information. It's ideal for quickly checking temperature and weather for your busy morning routine.

**Highlights:** Single-screen weather and pollen forecast, High visibility design, Detailed pollen dispersion status, Accurate weather change tracking, Location-based area setting, Quick temperature and weather checks

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

**In-app purchases:** none


### AirQualityMeter

[App page](https://appshunter.io/ios/app/airqualitymeter/id1660451275)

This app provides real-time air quality measurements and forecasts up to 24 hours in advance. It helps users manage their physical condition and prepare for allergies by notifying them of pollutants like PM2.5 and PM10. Location services enable automatic weather data acquisition for your current area.

**Highlights:** Real-time air pollutant notifications (PM2.5, PM10), 24-hour air pollution level forecast, Global coverage, Automatic location-based weather data, Allergy countermeasure information

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

**In-app purchases:** none


## Frequently asked questions

### Is 週間天気予報 Sunny free?

週間天気予報 Sunny is free to download, with no in-app purchases.

### Is AirQualityMeter free?

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

### Do 週間天気予報 Sunny or AirQualityMeter have ads?

Both 週間天気予報 Sunny and AirQualityMeter show ads.

### Which is updated more often, 週間天気予報 Sunny or AirQualityMeter?

週間天気予報 Sunny ships an update every 2 months, and AirQualityMeter every 3 months. Most recently, 週間天気予報 Sunny was updated on September 22, 2026 and AirQualityMeter on September 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.*