# DustMap vs シンプル気圧計

The clearest difference is in-app purchases: シンプル気圧計 at none against DustMap's 4. シンプル気圧計 also leads on ads (none vs shown) and update cadence (every 2 weeks vs every 5 months). DustMap's advantage is iOS requirement (15 vs 18.6). On price and device support there is nothing between them.

Both are free to download. DustMap sells 4 one-off in-app purchases. シンプル気圧計 asks for nothing beyond the download.

DustMap ships an update every 5 months, シンプル気圧計 every 2 weeks. The most recent releases landed on October 8, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | DustMap | シンプル気圧計 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Size | 63 MB | 3 MB |
| Requires iOS | **15** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [hidehiko aihara](https://appshunter.io/developer/1178520609) | [5mm](https://appshunter.io/developer/1832720335) |

## What reviewers say

### 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 |


### シンプル気圧計

[App page](https://appshunter.io/ios/app/id6754168195)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is DustMap free?

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

### Is シンプル気圧計 free?

シンプル気圧計 is free to download, with no in-app purchases.

### Do DustMap or シンプル気圧計 have ads?

DustMap shows ads; シンプル気圧計 does not.

### Which is updated more often, DustMap or シンプル気圧計?

DustMap ships an update every 5 months, and シンプル気圧計 every 2 weeks. Most recently, DustMap was updated on October 8, 2026 and シンプル気圧計 on October 30, 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.*