# Lightning Simulator vs Stormy Sleep

The clearest difference is update cadence: Stormy Sleep at every 4 days against Lightning Simulator's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Lightning Simulator sells 2 one-off in-app purchases and Stormy Sleep sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Lightning Simulator ships an update every 4 months, Stormy Sleep every 4 days. The most recent releases landed on August 6, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Lightning Simulator | Stormy Sleep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (101 ratings)](https://appshunter.io/ios/app/lightning-simulator/id930358531/reviews)** | — |
| Number of ratings | **101** | — |
| Positive reviews | 86.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 42 MB | 97 MB |
| Requires iOS | 18.0 | **17.6** |
| Devices | **iPhone, iPad, Apple TV** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Foxbit Software Ltd.](https://appshunter.io/developer/919379298) | [Petr Schmidt](https://appshunter.io/developer/1821007580) |

## What reviewers say

### Lightning Simulator

[App page](https://appshunter.io/ios/app/lightning-simulator/id930358531)

Simulate a lightning storm with visual effects using your device's backlight and LED flash, accompanied by realistic thunder audio. Customize storm distance and set sleep timers for a unique ambiance.

**Highlights:** Backlight and LED flash simulation, Realistic thunder audio, 5 unique storm types, Customizable storm distance, Adjustable sleep timers

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Storm Expansion Pack | $1.99 | one-time |
| Lightning Pro | $1.99 | one-time |


### Stormy Sleep

[App page](https://appshunter.io/ios/app/stormy-sleep-thunder-sounds/id6747362462)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stormy Sleep Premium | $5.99 | one-time |


## Frequently asked questions

### Is Lightning Simulator free?

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

### Is Stormy Sleep free?

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

### Do Lightning Simulator or Stormy Sleep have ads?

Neither Lightning Simulator nor Stormy Sleep shows ads.

### Which is updated more often, Lightning Simulator or Stormy Sleep?

Lightning Simulator ships an update every 4 months, and Stormy Sleep every 4 days. Most recently, Lightning Simulator was updated on August 6, 2026 and Stormy Sleep on September 22, 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.*