# TornadoSpyLite vs Tsunami US

The clearest difference is in-app purchases: Tsunami US at none against TornadoSpyLite's 3. Tsunami US also leads on review sentiment (50% vs 32%) and update cadence (every 3 months vs every 7 months). TornadoSpyLite's advantage is rating (3.3 vs 2.8). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. TornadoSpyLite sells 3 one-off in-app purchases. Tsunami US asks for nothing beyond the download.

TornadoSpyLite holds the better App Store score, 3.3 against 2.8. Both are backed by a comparable volume of ratings — 27 and 17 respectively. Written reviews complicate that: 32% of TornadoSpyLite's written reviews are positive against 50% of Tsunami US's, so the app with the better star average is not the one people write more warmly about.

TornadoSpyLite ships an update every 7 months, Tsunami US every 3 months. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | TornadoSpyLite | Tsunami US |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (27 ratings)](https://appshunter.io/ios/app/tornadospylite/id436691749/reviews)** | [2.8 (17 ratings)](https://appshunter.io/ios/app/tsunami-us/id1102725866/reviews) |
| Number of ratings | **27** | 17 |
| Positive reviews | 32.4% of reviews | **50.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 24 MB | 41 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Justin Time](https://appshunter.io/developer/308502519) | [Matthias Hackl](https://appshunter.io/developer/1102725865) |

## What reviewers say

### TornadoSpyLite

[App page](https://appshunter.io/ios/app/tornadospylite/id436691749)

Instantly report and view tornado sightings worldwide using advanced technology. Get real-time alerts and track storm movements on a map, with user-submitted photos and notes. This app helps users receive timely information to stay safe during severe weather events.

**Highlights:** Track tornado movement worldwide, Report nearby tornadoes instantly, View official National Weather Service reports, Share and view tornado photos, Write storm report notes, Rate user-submitted sightings, AccuSpy™ accurate storm spotting

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Extreme Weather Radio | $0.99 | one-time |
| Ad Remover | $0.99 | one-time |
| Fast Animated Radar (US) | $0.99 | one-time |


### Tsunami US

[App page](https://appshunter.io/ios/app/tsunami-us/id1102725866)

This app helps users understand their tsunami risk by providing inundation maps for the US West Coast and Hawaii. It offers information on tsunami warnings, preparedness, and links to relevant authorities.

**Highlights:** Tsunami inundation maps, Risk assessment for US West Coast, Risk assessment for Hawaii, Tsunami warning information, Preparedness guidance, Links to authorities

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

**In-app purchases:** none


## Frequently asked questions

### Is TornadoSpyLite free?

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

### Is Tsunami US free?

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

### Which has better reviews, TornadoSpyLite or Tsunami US?

TornadoSpyLite is rated higher. TornadoSpyLite averages 3.3 out of 5 from 27 ratings, while Tsunami US averages 2.8 from 17 ratings.

### Do TornadoSpyLite or Tsunami US have ads?

Neither TornadoSpyLite nor Tsunami US shows ads.

### Which is updated more often, TornadoSpyLite or Tsunami US?

TornadoSpyLite ships an update every 7 months, and Tsunami US every 3 months. Most recently, TornadoSpyLite was updated on October 22, 2026 and Tsunami US on October 24, 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.*