# 天気図 vs Powder Forecast

The clearest difference is review sentiment: Powder Forecast at 100% against 天気図's 50%. Powder Forecast also leads on in-app purchases (none vs 4) and ads (none vs shown). 天気図's advantage is iOS requirement (15.6 vs 17.0). On price and device support there is nothing between them.

Both are free to download. 天気図 sells 4 one-off in-app purchases. Powder Forecast asks for nothing beyond the download.

## The numbers

| Metric | 天気図 | Powder Forecast |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 63 MB | 1 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [hidehiko aihara](https://appshunter.io/developer/1178520609) | [yoshiaki okazaki](https://appshunter.io/developer/576682717) |

## What reviewers say

### 天気図

[App page](https://appshunter.io/ios/app/weather-chart/id1605506776)

View weather charts for the past 3 days and up to 48 hours into the future. This application utilizes weather maps from the Japan Meteorological Agency to display various regional and high-altitude analyses and forecasts.

**Highlights:** Past 3-day weather charts, 48-hour weather forecasts, Regional weather maps, High-altitude analysis charts, Japan Meteorological Agency data

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee (Regular) | $0.49 | one-time |
| アプリケーション開発者への応援募金 | $1.99 | one-time |
| Coffee (Large) | $1.99 | one-time |
| Cake Set | $5.99 | one-time |


### Powder Forecast

[App page](https://appshunter.io/ios/app/powder-forecast/id6759529564)

Get instant powder condition ratings and 3-day forecasts for 148 Japanese ski resorts. Track snowfall trends, rank resorts by cumulative snow, and filter by region. Supports offline access and bilingual use.

**Highlights:** Proprietary Powder Index (1-5 scale), 3-day detailed weather forecast, Snowfall trend tracking, Resort ranking by cumulative snowfall, Regional filtering (10 regions), Offline support (7-day cache), Bilingual (Japanese/English)

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

**In-app purchases:** none


## Frequently asked questions

### Is 天気図 free?

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

### Is Powder Forecast free?

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

### Do 天気図 or Powder Forecast have ads?

天気図 shows ads; Powder Forecast does not.

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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.*