# Tropical Hurricane Tracker vs 被害予測・防災cmap

The clearest difference is review sentiment: Tropical Hurricane Tracker at 96% against 被害予測・防災cmap's 27%. Tropical Hurricane Tracker also leads on rating (5.0 vs 3.6) and update cadence (weekly vs every 2 months). 被害予測・防災cmap's advantage is in-app purchases (none vs 2) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Tropical Hurricane Tracker sells 2 in-app purchases, starting at $1.99 per year. 被害予測・防災cmap asks for nothing beyond the download.

Tropical Hurricane Tracker holds the better App Store score, 5.0 against 3.6. That said, the two scores are not equally well evidenced: Tropical Hurricane Tracker has 2.3K ratings behind it against 98, so its average is the more settled of the two. Written reviews point the same way: 96% of Tropical Hurricane Tracker's written reviews are positive against 27% of 被害予測・防災cmap's.

Tropical Hurricane Tracker ships an update weekly, 被害予測・防災cmap every 2 months. The most recent releases landed on September 24, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Tropical Hurricane Tracker | 被害予測・防災cmap |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2.3K ratings)](https://appshunter.io/ios/app/tropical-hurricane-tracker/id1436318547/reviews)** | [3.6 (98 ratings)](https://appshunter.io/ios/app/cmap/id1524623479/reviews) |
| Number of ratings | **2.3K** | 98 |
| Positive reviews | **96.3% of reviews** | 26.9% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#146** | — |
| Size | 53 MB | 31 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JPL Technical Solutions, LLC](https://appshunter.io/developer/1435674538) | [Aioi Nissay Dowa Insurance Co.,Ltd.](https://appshunter.io/developer/438886751) |

## What reviewers say

### Tropical Hurricane Tracker

[App page](https://appshunter.io/ios/app/tropical-hurricane-tracker/id1436318547)

**Currently charting:** #146 Top Free · Weather (US App Store)

Stay informed about hurricanes and tropical storms with real-time tracking maps and NOAA forecasts. This app simplifies complex weather data, offering easy navigation to essential information for hurricane-prone areas. Receive push notifications and access historical data to prepare for potential storms.

**Highlights:** Hurricane Tracking Maps by Region, NOAA Forecasts, Interactive Global Map, Push Notifications, Ensemble Models, Historic Storm Tracks, Safety & Preparedness Information

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads (annual) | $1.99 | per year |
| No Ads (forever) | $6.99 | one-time |

**What reviewers like**

- 🚀 Accurate and up-to-date hurricane tracking
- 👍 User-friendly and easy to navigate
- 💡 Comprehensive hurricane information in one place
- 🚀 Quick notifications and alerts
- 👍 Helpful for hurricane preparedness

**What reviewers complain about**

- 🐛 Occasional bugs and glitches
- 🔧 Some features could be improved
- ⚠️ Concerns about privacy policy changes

**Reported bugs**

- Notification long-press feature not working consistently
- Filter settings not persisting between app sessions

**Requested features**

- Add spaghetti models and more forecast models
- Ability to customize notification settings
- Retain notification history after launching the app


### 被害予測・防災cmap

[App page](https://appshunter.io/ios/app/cmap/id1524623479)

This app provides regional risk information, including natural disasters, accidents, and emergencies. It offers push notifications for disaster alerts, severe weather, and evacuation orders. Users can also access weather forecasts, life indicators, and hazard maps.

**Highlights:** Disaster risk prediction and mapping, Emergency and evacuation alerts, Severe weather notifications, Hazard map and evacuation site information, Weather forecasts and life indicators, Traffic and accessibility information

**In-app purchases:** none


## Frequently asked questions

### Is Tropical Hurricane Tracker free?

Tropical Hurricane Tracker is free to download, with in-app purchases available.

### Is 被害予測・防災cmap free?

被害予測・防災cmap is free to download, with no in-app purchases.

### Which has better reviews, Tropical Hurricane Tracker or 被害予測・防災cmap?

Tropical Hurricane Tracker is rated higher. Tropical Hurricane Tracker averages 5.0 out of 5 from 2.3K ratings, while 被害予測・防災cmap averages 3.6 from 98 ratings.

### Do Tropical Hurricane Tracker or 被害予測・防災cmap have ads?

Tropical Hurricane Tracker shows ads; 被害予測・防災cmap does not.

### Which is updated more often, Tropical Hurricane Tracker or 被害予測・防災cmap?

Tropical Hurricane Tracker ships an update weekly, and 被害予測・防災cmap every 2 months. Most recently, Tropical Hurricane Tracker was updated on September 24, 2026 and 被害予測・防災cmap on September 22, 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.*