# Thunderstorm Simulator (w/Ads) vs Simple Fireworks

The clearest difference is update cadence: Thunderstorm Simulator (w/Ads) at every 4 months against Simple Fireworks's every 18 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Thunderstorm Simulator (w/Ads) ships an update every 4 months, Simple Fireworks every 18 months. The most recent releases landed on October 9, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Thunderstorm Simulator (w/Ads) | Simple Fireworks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (12 ratings)](https://appshunter.io/ios/app/thunderstorm-simulator-wads/id1482707561/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 4 months** | Every 18 months |
| Monetization | Ad-supported | — |
| Size | 75 MB | 208 MB |
| Requires iOS | 15.0.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Scott Dodson](https://appshunter.io/developer/1033778296) | [Ryouhei Azuma](https://appshunter.io/developer/1353297781) |

## What reviewers say

### Thunderstorm Simulator (w/Ads)

[App page](https://appshunter.io/ios/app/thunderstorm-simulator-wads/id1482707561)

Create a personalized thunderstorm experience to aid relaxation and sleep. Customize rain intensity, thunder frequency, lightning effects, and background sounds. Includes a sleep timer with audio fade-out.

**Highlights:** Customizable thunderstorm types, Adjustable rain and thunder sounds, Toggleable lightning effects, Background ambient sounds, Sleep timer with fade-out, Bluetooth and AirPlay support

**In-app purchases:** none


### Simple Fireworks

[App page](https://appshunter.io/ios/app/simple-fireworks/id6448870385)

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

**In-app purchases:** none


## Frequently asked questions

### Is Thunderstorm Simulator (w/Ads) free?

Thunderstorm Simulator (w/Ads) is free to download, with no in-app purchases.

### Is Simple Fireworks free?

Simple Fireworks is free to download, with no in-app purchases.

### Do Thunderstorm Simulator (w/Ads) or Simple Fireworks have ads?

Both Thunderstorm Simulator (w/Ads) and Simple Fireworks show ads.

### Which is updated more often, Thunderstorm Simulator (w/Ads) or Simple Fireworks?

Thunderstorm Simulator (w/Ads) ships an update every 4 months, and Simple Fireworks every 18 months. Most recently, Thunderstorm Simulator (w/Ads) was updated on October 9, 2026 and Simple Fireworks on October 7, 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.*