# Tsunami-Watch — Your coastal guardian

> Global tsunami alert system with real-time notifications and interactive threat visualization. (iPhone/iPad app by Daniel Dale Boydston.)

- Source: https://appshunter.io/ios/app/tsunami-watch/id6757628320 (this page in markdown: same URL + `.md`)
- Developer: [Daniel Dale Boydston](https://appshunter.io/developer/1867964213)
- Category: Weather, Travel
- Price: Free with in-app purchases
- Rating: 1.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 15.1 · 54 MB
- Languages: American English
- Released: 2026-05-29
- Data updated: 2026-08-27
- Monetization: subscription
- User reviews in markdown: https://appshunter.io/ios/app/tsunami-watch/id6757628320/reviews.md

## What is Tsunami?

Tsunami Watch - Your Coastal Guardian

Stay safe with instant notifications (paid subscription required) for tsunami warnings, advisories, and watches. Tsunami Watch delivers reliable, life-saving alerts for coastal areas worldwide, helping you and your family act quickly when every second counts.

Whether you live along the Pacific Coast, in Hawaii, Alaska, the Caribbean, or travel to tsunami-prone regions like Japan, the Philippines, Indonesia, or Australia, Tsunami Watch keeps you informed with clear, actionable information from official sources.

KEY FEATURES
• Real-time push notifications (paid subscription required) for tsunami warnings, advisories, and watches tailored to your chosen coastlines
• Easy-to-understand dashboard with concise alert details – perfect even in high-stress situations
• Interactive map to visualize threats and monitor coastal risks
• Reliable official data aggregated from trusted government and meteorological agencies
• Privacy-first design – minimal data collection, no ads

Born from a real near-miss experience during a major earthquake in the Philippines, Tsunami Watch was created to provide fast alerts for distant quakes that might not be felt but can still generate dangerous tsunamis.

Perfect for:
• Coastal residents in the US, Canada, Central and South America, and Pacific-bordering countries
• Travelers and families wanting proactive disaster preparedness
• Anyone seeking a simple, trustworthy tool for natural hazard awareness

Download Tsunami Watch today and never miss a critical alert. Stay alert. Stay safe.

Note: This app provides supplemental information and does not replace official emergency instructions from local authorities. Always follow guidance from emergency management officials.

Privacy Policy: https://tsunami.watch/privacy/
Terms of Use (EULA): https://tsunami.watch/terms/

## Key features

- Real-time push notifications for tsunami alerts
- Concise alert details on an easy-to-understand dashboard
- Interactive map to visualize threats
- Reliable official data aggregation
- Privacy-first design with no ads

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| 1 Month Push Notifications | $1.99 | per month |
| 1 Year Push Notifications | $19.99 | per year |



## Frequently asked questions about Tsunami

### What is Tsunami-Watch?

Tsunami-Watch is a coastal guardian app that provides instant notifications for tsunami warnings, advisories, and watches worldwide. It delivers reliable, life-saving alerts from official sources to help you act quickly.

### Does Tsunami-Watch have ads?

No, Tsunami-Watch has a privacy-first design and does not contain any advertisements. This ensures an uninterrupted and focused user experience during critical alert situations.

### What are the subscription plans for Tsunami-Watch?

Tsunami-Watch offers two subscription plans for push notifications: $1.99 for 1 month and $19.99 for 1 year. These plans provide access to real-time, tailored alerts for your chosen coastlines.

### How reliable is the data in Tsunami-Watch?

The app uses reliable official data aggregated from trusted government and meteorological agencies. This ensures that the alerts and information provided are accurate and up-to-date.

### What devices does Tsunami-Watch support?

Tsunami-Watch is available for iPhone, iPad, and iPod. It is designed to be accessible on Apple devices for users needing coastal safety information.

### How often is Tsunami-Watch updated?

The latest version of Tsunami-Watch is 1.0.1, and it was last updated on May 30, 2026. Updates typically focus on improving reliability and ensuring timely delivery of critical alerts.

### What is the age rating for Tsunami-Watch?

Tsunami-Watch has an age rating of 4+. This indicates that the content is suitable for children aged four and older, focusing on general safety and awareness information.

### Can Tsunami-Watch be used offline?

While the app provides real-time push notifications which require an internet connection, the dashboard and interactive map may offer some limited functionality offline. However, for timely alerts, a stable internet connection is recommended.

## Version history (last 3 releases)

### 1.0.2 — 2026-08-11

Minor improvements and bug fixes

### 1.0.1 — 2026-05-30

Minor formatting changes

### 1.0.0 — 2026-05-29

No release notes.

## Related topics

[tsunami alert](https://appshunter.io/ios/topics/tsunami-alert)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-27.*
