# CASA Alerts vs 気象予報士（実技）受験対策PLUS

The clearest difference is price: CASA Alerts at Free against 気象予報士（実技）受験対策PLUS's $4.99. CASA Alerts also leads on update cadence (every 2 months vs every 7 months) and iOS requirement (12.3 vs 17.6). On ads, in-app purchases and device support there is nothing between them.

CASA Alerts is free to download; 気象予報士（実技）受験対策PLUS costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

CASA Alerts ships an update every 2 months, 気象予報士（実技）受験対策PLUS every 7 months. The most recent releases landed on June 19, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | CASA Alerts | 気象予報士（実技）受験対策PLUS |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[3.5 (10 ratings)](https://appshunter.io/ios/app/casa-alerts/id1094271600/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 7 months |
| Monetization | Free | — |
| Size | 19 MB | 4 MB |
| Requires iOS | **12.3** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [University of Massachusetts at Amherst](https://appshunter.io/developer/1020814631) | [Naoki Abe](https://appshunter.io/developer/737655596) |

## What reviewers say

### CASA Alerts

[App page](https://appshunter.io/ios/app/casa-alerts/id1094271600)

This app provides severe weather forecasts and warnings, tailored to user preferences and locations. It also collects feedback through surveys to improve weather information delivery methods.

**Highlights:** Context-aware severe weather forecasts, Hyper-local severe weather alerts, Customizable alert preferences, User feedback surveys, Detailed radar data integration

**In-app purchases:** none


### 気象予報士（実技）受験対策PLUS

[App page](https://appshunter.io/ios/app/plus/id1431592679)

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

**In-app purchases:** none


## Frequently asked questions

### Is CASA Alerts free?

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

### Is 気象予報士（実技）受験対策PLUS free?

気象予報士（実技）受験対策PLUS costs $4.99, with no in-app purchases.

### Do CASA Alerts or 気象予報士（実技）受験対策PLUS have ads?

Neither CASA Alerts nor 気象予報士（実技）受験対策PLUS shows ads.

### Which is updated more often, CASA Alerts or 気象予報士（実技）受験対策PLUS?

CASA Alerts ships an update every 2 months, and 気象予報士（実技）受験対策PLUS every 7 months. Most recently, CASA Alerts was updated on June 19, 2026 and 気象予報士（実技）受験対策PLUS 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.*