# Tsunami vs Tsunami Shield

The clearest difference is in-app purchases: Tsunami Shield at none against Tsunami's 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Tsunami sells 2 in-app purchases, starting at $1.99 per month. Tsunami Shield asks for nothing beyond the download.

## The numbers

| Metric | Tsunami | Tsunami Shield |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tsunami-watch/id6757628320/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | — |
| Monetization | Subscription | — |
| Size | 54 MB | 44 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Dale Boydston](https://appshunter.io/developer/1867964213) | [Smart Send Australia Pty Ltd](https://appshunter.io/developer/6777876641) |

## What reviewers say

### Tsunami

[App page](https://appshunter.io/ios/app/tsunami-watch/id6757628320)

Receive instant, life-saving alerts for tsunami warnings, advisories, and watches worldwide. This app provides clear, actionable information from official sources to help coastal residents and travelers stay informed and act quickly during emergencies.

**Highlights:** 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

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Push Notifications | $1.99 | per month |
| 1 Year Push Notifications | $19.99 | per year |


### Tsunami Shield

[App page](https://appshunter.io/ios/app/tsunami-shield/id6777876639)

**In-app purchases:** none


## Frequently asked questions

### Is Tsunami free?

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

### Is Tsunami Shield free?

Tsunami Shield is free to download, with no in-app purchases.

### Do Tsunami or Tsunami Shield have ads?

Neither Tsunami nor Tsunami Shield shows ads.

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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.*