# Lightning Simulator vs Deep Sleep Sounds

The clearest difference is rating: Lightning Simulator at 4.8 against Deep Sleep Sounds's 4.3. Deep Sleep Sounds's advantage is update cadence (every 2 weeks vs every 4 months) and iOS requirement (16.6 vs 18.0). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. Lightning Simulator sells 2 one-off in-app purchases and Deep Sleep Sounds sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Lightning Simulator holds the better App Store score, 4.8 against 4.3. Both are backed by a comparable volume of ratings — 101 and 35 respectively. Written reviews point the same way: 87% of Lightning Simulator's written reviews are positive against 85% of Deep Sleep Sounds's.

Lightning Simulator ships an update every 4 months, Deep Sleep Sounds every 2 weeks. The most recent releases landed on October 16, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Lightning Simulator | Deep Sleep Sounds |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (101 ratings)](https://appshunter.io/ios/app/lightning-simulator/id930358531/reviews)** | [4.3 (35 ratings)](https://appshunter.io/ios/app/deep-sleep-sounds-solitude/id1255215376/reviews) |
| Number of ratings | **101** | 35 |
| Positive reviews | **86.8% of reviews** | 85.2% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 42 MB | 303 MB |
| Requires iOS | 18.0 | **16.6** |
| Devices | **iPhone, iPad, Apple TV** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Foxbit Software Ltd.](https://appshunter.io/developer/919379298) | [Rukshan Marapana](https://appshunter.io/developer/546670930) |

## 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 |


### Deep Sleep Sounds

[App page](https://appshunter.io/ios/app/deep-sleep-sounds-solitude/id1255215376)

Experience lifelike rain, thunder, and nature sounds for sleep, focus, and relaxation. This app offers high-definition, professionally recorded audio tracks that can be mixed and played offline. It includes a sleep timer and background audio support.

**Highlights:** Real HD nature sounds, Blends with other audio apps, Surround 3D sound effects, Offline sound playback, Adjustable sound mixer, Background audio support, Sleep timer

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Access 3 Day Trial | $3.99 | per month |
| Unlock Everything | $14.99 | per year |
| All Sleep Sounds for Lifetime! | $99.99 | one-time |


## Frequently asked questions

### Is Lightning Simulator free?

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

### Is Deep Sleep Sounds free?

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

### Which has better reviews, Lightning Simulator or Deep Sleep Sounds?

Lightning Simulator is rated higher. Lightning Simulator averages 4.8 out of 5 from 101 ratings, while Deep Sleep Sounds averages 4.3 from 35 ratings.

### Do Lightning Simulator or Deep Sleep Sounds have ads?

Neither Lightning Simulator nor Deep Sleep Sounds shows ads.

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

Lightning Simulator ships an update every 4 months, and Deep Sleep Sounds every 2 weeks. Most recently, Lightning Simulator was updated on October 16, 2026 and Deep Sleep Sounds on October 14, 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.*