Comparison

Air Raid Siren vs Thunderstorm Simulator (w/Ads)

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Air Raid Siren

This app provides a collection of high-quality stereo sound effects of air raid and tornado sirens from around the world. Users can play single sounds, loop them infinitely, or even play multiple sounds simultaneously for a chaotic effect. It's designed for entertainment and to warn others.

Highlights
  • High-quality stereo siren sound effects
  • Global siren sounds
  • Single play mode
  • Infinite loop mode
  • Play multiple sounds simultaneously
  • Prank and entertainment use
Features
Read full description

Finally, a mobile air raid siren! Now you will never have to worry about your friends and family being unprepared for an incoming bombing raid again, because you will be able to warn them right from your device! Impress your friends! Win the respect of your family! Secure that job promotion! Get the girl! All is possible when you download Air Raid Siren! Air Raid Siren is a free and epic soundboard app featuring many high quality stereo sound effects from tornado and air raid sirens. Includes siren sounds from around the world! Prank your neighbors into thinking there is an incoming air raid! Sounds include: acap50 brattleboro carter loop carter hand siren model 2 model 7t model 2580 sentry yugoslavian and many more! Tap on the play button play a single time. Tap the repeat button to put the sounds into infinite loop mode! Also, play multiple sounds at once to make it sound like there is a full out war going on! Will the fun ever end? No. Thanks to SoundMaster 391 for Modulator 6024 audio clip from Freesound. I am always looking to improve my apps, so if you have any suggestions please let me know and I will try to make an update ASAP. This app is for you guys!

About

Thunderstorm Simulator (w/Ads)

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
Read full description

Summon a thunderstorm on your mobile device. Relax and fall fast asleep to the sounds of rain and thunder. The camera flashes when lightning strikes. THUNDERSTORMS • Strong Thunderstorm — Heavy rain with frequent lightning and thunder nearby • Normal Thunderstorm — Steady rain with a full range of lightning and thunder • Weak Thunderstorm — Light rain with occasional lightning and thunder far off • Passing Thunderstorms — Rain and lightning intensity changes as the storms pass Rain • Toggle rain sound effects • Change rain audio: Default, Heavy, Steady, Light, On Tin Roof • Change rain volume Lightning/Thunder • Toggle thunder sound effects • Change thunder volume • Change delay lightning (Wireless audio delay offset) • Toggle delay thunder • Toggle lightning light effects • Change lightning transition effects • Change lightning/thunder occurrence: Default, Occasional, Normal, Frequent Passing Thunderstorms • Change starting storm for Passing Thunderstorms: Weak, Normal, Strong • Change cycle time for Passing Thunderstorms: 15m, 30m, 60m Background Sounds • Toggle background sounds: Birds, Cicadas, Crickets, Frogs • Change background sounds volume ADDITIONAL FEATURES • Sleep Timer — Set a timer with a gradual audio fade-out. • Bluetooth and AirPlay Support — Connect to Bluetooth speakers directly, or connect to speakers with AirPlay using the Control Center. Adjust the Delay Lightning setting to offset wireless audio delay. Please contact me at support@thunderstorm.scottdodson.dev if you experience any issues. I'd love to hear your thoughts and appreciate you taking the time to rate and review the app. I want to continue to improve Thunderstorm Simulator and create a great experience for you and future users. Thank you! —Scott *Ad-free version: https://apps.apple.com/us/app/thunderstorm-simulator/id1200949907

Screenshots

Air Raid Siren4 screens
Thunderstorm Simulator (w/Ads)3 screens

Verdict

The call

The clearest difference is in-app purchases: Thunderstorm Simulator (w/Ads) at none against Air Raid Siren's 1. Thunderstorm Simulator (w/Ads) also leads on iOS requirement (15.0.0 vs 17.6). Air Raid Siren's advantage is ratings volume (814 vs 12) and review sentiment (66% vs 50%). On price, rating, update cadence and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Air Raid Siren sells 1 one-off in-app purchase. Thunderstorm Simulator (w/Ads) asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.5 for Air Raid Siren against 4.6 for Thunderstorm Simulator (w/Ads). That said, the two scores are not equally well evidenced: Air Raid Siren has 814 ratings behind it against 12, so its average is the more settled of the two. Written reviews are what separate them: 66% of Air Raid Siren's written reviews are positive against 50% of Thunderstorm Simulator (w/Ads)'s.

UpkeepUpdate frequency

Air Raid Siren ships an update every 6 months, Thunderstorm Simulator (w/Ads) every 4 months. The most recent releases landed on November 5, 2026 and November 3, 2026 respectively.

Scorecard5 real differences · 5 level
Air Raid Siren versus Thunderstorm Simulator (w/Ads): the parameters behind the verdict, then further details
ParameterAir Raid SirenThunderstorm Simulator (w/Ads)
PriceFreeFree
Rating4.5 (814 ratings)4.6 (12 ratings) — better
Positive reviews66.2% of reviews — better50.0% of reviews
Number of ratings814 — better12
Update frequencyEvery 6 monthsEvery 4 months — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.615.0.0 — better
Further details — not scored
Size6 MB75 MB
Age rating4+12+
DeveloperBrandon SteckleinScott Dodson

Customer experience

Air Raid Siren

All ratings812 ratings
Positive86.0%
Neutral3.7%
Negative10.3%
Written reviews145 reviews
Positive66.2%
Neutral6.2%
Negative27.6%

Thunderstorm Simulator (w/Ads)

All ratings12 ratings
Positive83.3%
Neutral8.3%
Negative8.3%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Bugs and requests

Air Raid Siren

Reported bugs

3 issues
  • Constant loading issues
  • Crashes on launch for many users
  • Marching button doesn't work

Requested features

4 requests
  • Add more siren sounds (e.g. Whelen Vortex, T-128, Hurricane 130, Alertronic 6000)
  • Improve sound quality and naming of some sirens
  • Allow uploading custom sounds
  • Add a tornado warning siren

Thunderstorm Simulator (w/Ads)

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Air Raid Siren

One-time1
  • Advertising Removal$2.99
None

Thunderstorm Simulator (w/Ads)

No in-app purchases

Questions

Is Air Raid Siren free?
Air Raid Siren is free to download, with in-app purchases available.
Is Thunderstorm Simulator (w/Ads) free?
Thunderstorm Simulator (w/Ads) is free to download, with no in-app purchases.
Which has better reviews, Air Raid Siren or Thunderstorm Simulator (w/Ads)?
Thunderstorm Simulator (w/Ads) is rated higher. Air Raid Siren averages 4.5 out of 5 from 814 ratings, while Thunderstorm Simulator (w/Ads) averages 4.6 from 12 ratings.
Do Air Raid Siren or Thunderstorm Simulator (w/Ads) have ads?
Both Air Raid Siren and Thunderstorm Simulator (w/Ads) show ads.
Which is updated more often, Air Raid Siren or Thunderstorm Simulator (w/Ads)?
Air Raid Siren ships an update every 6 months, and Thunderstorm Simulator (w/Ads) every 4 months. Most recently, Air Raid Siren was updated on November 5, 2026 and Thunderstorm Simulator (w/Ads) on November 3, 2026.

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