# 現在地の天気 vs O2Quality

The clearest difference is ads: O2Quality at none against 現在地の天気's shown. 現在地の天気's advantage is iOS requirement (11.0 vs 27.0). On price, review sentiment, update cadence 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.

Both ship on a similar rhythm, roughly every 5 months. The most recent releases landed on September 10, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | 現在地の天気 | O2Quality |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | Every 5 months |
| Monetization | — | Free |
| Size | 14 MB | 11 MB |
| Requires iOS | **11.0** | 27.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [susumu hirao](https://appshunter.io/developer/1068961811) | [Tomohiko Shimizu](https://appshunter.io/developer/436129129) |

## What reviewers say

### 現在地の天気

[App page](https://appshunter.io/ios/app/id1551994625)

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

**In-app purchases:** none


### O2Quality

[App page](https://appshunter.io/ios/app/o2quality/id1570058656)

Provides real-time air quality information based on US and European Air Quality Index (AQI) standards. It forecasts pollutant levels for up to five days, including carbon monoxide, ozone, nitrogen dioxide, sulfur dioxide, PM2.5, and PM10.

**Highlights:** Real-time AQI reporting, US and European AQI standards, Forecasts for 6 pollutants, 5-day pollutant forecasts, Color-coded risk levels, Pollutant concentration data

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 現在地の天気 free?

現在地の天気 is free to download, with no in-app purchases.

### Is O2Quality free?

O2Quality is free to download, with no in-app purchases.

### Do 現在地の天気 or O2Quality have ads?

現在地の天気 shows ads; O2Quality does not.

### Which is updated more often, 現在地の天気 or O2Quality?

現在地の天気 ships an update every 5 months, and O2Quality every 5 months. Most recently, 現在地の天気 was updated on September 10, 2026 and O2Quality on September 22, 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.*