# 福岡県PM2.5・大気環境速報 vs DustMap

The clearest difference is in-app purchases: 福岡県PM2.5・大気環境速報 at none against DustMap's 4. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. DustMap sells 4 one-off in-app purchases. 福岡県PM2.5・大気環境速報 asks for nothing beyond the download.

福岡県PM2.5・大気環境速報 ships an update every 7 months, DustMap every 5 months. The most recent releases landed on September 22, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | 福岡県PM2.5・大気環境速報 | DustMap |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 7 months | **Every 5 months** |
| Size | 13 MB | 63 MB |
| Requires iOS | 15.0 | 15 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [NISHI TAKASHI](https://appshunter.io/developer/837194947) | [hidehiko aihara](https://appshunter.io/developer/1178520609) |

## What reviewers say

### 福岡県PM2.5・大気環境速報

[App page](https://appshunter.io/ios/app/pm25/id1257641427)

**Features:** macOS Compatibility

**In-app purchases:** none


### DustMap

[App page](https://appshunter.io/ios/app/dustmap/id6744262672)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee (Regular) | $0.49 | one-time |
| Coffee (Large) | $1.99 | one-time |
| システム改善応援費 | $1.99 | one-time |
| Cake Set | $5.99 | one-time |


## Frequently asked questions

### Is 福岡県PM2.5・大気環境速報 free?

福岡県PM2.5・大気環境速報 is free to download, with no in-app purchases.

### Is DustMap free?

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

### Do 福岡県PM2.5・大気環境速報 or DustMap have ads?

Both 福岡県PM2.5・大気環境速報 and DustMap show ads.

### Which is updated more often, 福岡県PM2.5・大気環境速報 or DustMap?

福岡県PM2.5・大気環境速報 ships an update every 7 months, and DustMap every 5 months. Most recently, 福岡県PM2.5・大気環境速報 was updated on September 22, 2026 and DustMap on September 21, 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.*