# Thunderstorm Simulator (w/Ads) vs Engine Sounds & Revs

The clearest difference is review sentiment: Thunderstorm Simulator (w/Ads) at 50% against Engine Sounds & Revs's 0%. Thunderstorm Simulator (w/Ads) also leads on price (Free vs $0.99). Engine Sounds & Revs's advantage is ads (none vs shown) and iOS requirement (13.4 vs 15.0.0). On in-app purchases and device support there is nothing between them.

Thunderstorm Simulator (w/Ads) is free to download; Engine Sounds & Revs costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Thunderstorm Simulator (w/Ads) | Engine Sounds & Revs |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| 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** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | — |
| Monetization | Ad-supported | — |
| Size | 75 MB | 24 MB |
| Requires iOS | 15.0.0 | **13.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Scott Dodson](https://appshunter.io/developer/1033778296) | [Arsosa Network Inc.](https://appshunter.io/developer/1209042440) |

## 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


### Engine Sounds & Revs

[App page](https://appshunter.io/ios/app/engine-sounds-and-revs/id6737538010)

**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 Engine Sounds & Revs free?

Engine Sounds & Revs costs $0.99, with no in-app purchases.

### Do Thunderstorm Simulator (w/Ads) or Engine Sounds & Revs have ads?

Thunderstorm Simulator (w/Ads) shows ads; Engine Sounds & Revs does not.

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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.*