# PM2.5と黄砂の予測 大気汚染予報 vs ninpath

The clearest difference is ads: ninpath at none against PM2.5と黄砂の予測 大気汚染予報's shown. ninpath also leads on monetization model (free vs ad-supported). PM2.5と黄砂の予測 大気汚染予報's advantage is review sentiment (48% vs 17%) and update cadence (monthly vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

PM2.5と黄砂の予測 大気汚染予報 ships an update monthly, ninpath every 2 months. The most recent releases landed on October 7, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | PM2.5と黄砂の予測 大気汚染予報 | ninpath |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ninpath/id1538735316/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | **48.0% of reviews** | 16.7% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Ad-supported | **Free** |
| Size | 11 MB | 34 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Noriki Fujiwara](https://appshunter.io/developer/631049883) | [ninpath Inc.](https://appshunter.io/developer/1537446947) |

## What reviewers say

### PM2.5と黄砂の予測 大気汚染予報

[App page](https://appshunter.io/ios/app/pm25/id631049880)

This app displays air quality forecasts for PM2.5 and yellow dust, presented in a weather forecast style by prefecture. It also provides real-time data from the Ministry of the Environment's "Soramame-kun" system. Visual indicators show air quality levels from clean to alert.

**Highlights:** PM2.5 and yellow dust forecasts, Prefecture-based weather forecast style, Real-time data from Soramame-kun, Visual air quality indicators, Clean to alert level display

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

**In-app purchases:** none


### ninpath

[App page](https://appshunter.io/ios/app/ninpath/id1538735316)

This app helps couples track and manage fertility treatments. It offers insights from anonymized third-party data to provide an objective view of your situation and aid in decision-making. Mental health checks and online counseling are also available.

**Highlights:** Fertility treatment tracking, Treatment data management, Third-party treatment data insights, Mental health checks, Online counseling, Objective situation assessment

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

**In-app purchases:** none


## Frequently asked questions

### Is PM2.5と黄砂の予測 大気汚染予報 free?

PM2.5と黄砂の予測 大気汚染予報 is free to download, with no in-app purchases.

### Is ninpath free?

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

### Do PM2.5と黄砂の予測 大気汚染予報 or ninpath have ads?

PM2.5と黄砂の予測 大気汚染予報 shows ads; ninpath does not.

### Which is updated more often, PM2.5と黄砂の予測 大気汚染予報 or ninpath?

PM2.5と黄砂の予測 大気汚染予報 ships an update monthly, and ninpath every 2 months. Most recently, PM2.5と黄砂の予測 大気汚染予報 was updated on October 7, 2026 and ninpath on September 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*