# Disaster Detector vs Twisted Tornado

The clearest difference is rating: Twisted Tornado at 5.0 against Disaster Detector's 4.1. Twisted Tornado also leads on device support (3 vs 1). Disaster Detector's advantage is in-app purchases (none vs 3) and ads (none vs shown). On price and update cadence there is nothing between them.

Both are free to download. Twisted Tornado sells 3 one-off in-app purchases. Disaster Detector asks for nothing beyond the download.

Twisted Tornado holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: Disaster Detector has 54 ratings behind it against 3, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on July 23, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Disaster Detector | Twisted Tornado |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (54 ratings)](https://appshunter.io/ios/app/disaster-detector/id1032864032/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/twisted-tornado/id6636529932/reviews)** |
| Number of ratings | **54** | 3 |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 57 MB | 283 MB |
| Requires iOS | **5.1.1** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Smithsonian Institution](https://appshunter.io/developer/370564865) | [NURI YANG](https://appshunter.io/developer/1667210977) |

## What reviewers say

### Disaster Detector

[App page](https://appshunter.io/ios/app/disaster-detector/id1032864032)

This educational game allows players to predict and prepare for natural disasters like tornadoes and earthquakes. By analyzing data from various scientific tools, users can help cities mitigate damage and save citizens. It's designed for learning but fun for all ages.

**Highlights:** Predict tornadoes, volcanic eruptions, earthquakes, and hurricanes, Analyze data from Doppler radar, anemometers, barometers, and seismometers, Learn to forecast events using current and historical data, Generate printable reports, Suitable for classroom or home use, Audio and text interplay

**Features:** macOS Compatibility

**In-app purchases:** none


### Twisted Tornado

[App page](https://appshunter.io/ios/app/twisted-tornado/id6636529932)

Control a powerful tornado to cause maximum destruction in this physics-based action game. Destroy buildings, clear obstacles, and upgrade your tornado. A new challenge mode lets you race against the clock and compete on global leaderboards.

**Highlights:** Physics-based destruction, Multiple maps, Tornado upgrades, Challenge Mode, Global leaderboards, Time-attack stages

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad Free + 3000 Gold | $2.99 | one-time |
| Gold 3000 | $2.99 | one-time |
| Gold 10000 | $5.99 | one-time |


## Frequently asked questions

### Is Disaster Detector free?

Disaster Detector is free to download, with no in-app purchases.

### Is Twisted Tornado free?

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

### Which has better reviews, Disaster Detector or Twisted Tornado?

Twisted Tornado is rated higher. Disaster Detector averages 4.1 out of 5 from 54 ratings, while Twisted Tornado averages 5.0 from 3 ratings.

### Do Disaster Detector or Twisted Tornado have ads?

Twisted Tornado shows ads; Disaster Detector does not.

### Which is updated more often, Disaster Detector or Twisted Tornado?

Disaster Detector ships an update every 3 months, and Twisted Tornado every 3 months. Most recently, Disaster Detector was updated on July 23, 2026 and Twisted Tornado on September 13, 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.*