# 気象天気図 vs Digital AMeDAS

The clearest difference is review sentiment: 気象天気図 at 80% against Digital AMeDAS's 31%. Digital AMeDAS's advantage is ads (none vs shown) and update cadence (every 10 days vs every 3 weeks). 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.

気象天気図 ships an update every 3 weeks, Digital AMeDAS every 10 days. The most recent releases landed on September 7, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | 気象天気図 | Digital AMeDAS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/id393725709/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | **80.0% of reviews** | 30.8% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | — | Free |
| Size | 11 MB | 46 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mets R&D Center](https://appshunter.io/developer/393725712) | [気象工学研究所](https://appshunter.io/developer/1635872250) |

## What reviewers say

### 気象天気図

[App page](https://appshunter.io/ios/app/id393725709)

**Features:** Vision Pro support

**In-app purchases:** none


### Digital AMeDAS

[App page](https://appshunter.io/ios/app/digital-amedas/id6479399767)

Access and analyze meteorological data from a network of automated weather stations. This application helps users obtain detailed weather information for specific locations, aiding the Japan Meteorological Agency in understanding data utilization and improving services.

**Highlights:** Access AMeDAS meteorological data, View spatially analyzed data, Obtain data for specific locations, User attribute registration, Feedback and request submission

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 気象天気図 free?

気象天気図 is free to download, with no in-app purchases.

### Is Digital AMeDAS free?

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

### Do 気象天気図 or Digital AMeDAS have ads?

気象天気図 shows ads; Digital AMeDAS does not.

### Which is updated more often, 気象天気図 or Digital AMeDAS?

気象天気図 ships an update every 3 weeks, and Digital AMeDAS every 10 days. Most recently, 気象天気図 was updated on September 7, 2026 and Digital AMeDAS on September 18, 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.*