# Whistle App: SOS Alarm — Emergency rescue, offline > Offline emergency whistle and alarm sound for quick attention-grabbing signals. (iPhone/iPad app by Utku Gogen.) - Source: https://appshunter.io/ios/app/whistle-app-sos-alarm/id6747687778 (this page in markdown: same URL + `.md`) - Developer: [Utku Gogen](https://appshunter.io/developer/1677858400) - Category: Utilities - Price: Free with in-app purchases - Rating: 5.00/5 from 1 App Store ratings - Age rating: 4+ - Requires: iOS 15.0 · 193 MB - Languages: American English - Released: 2026-02-27 - Data updated: 2026-08-25 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/whistle-app-sos-alarm/id6747687778/reviews.md ## What is Whistle App? Whistle App: SOS Alarm gives you a loud emergency whistle and alarm sound when you need attention fast. Open the app and use your phone as a whistle app in situations where shouting may not be enough. Whether you want an emergency tool for safety, a loud SOS signal for outdoor use, or something ready for disaster situations, Whistle App: SOS Alarm is simple, fast, and works offline. LOUD SOS WHISTLE Use Whistle App: SOS Alarm to play a strong whistle sound instantly. It is designed for moments when you need a sharp, attention-grabbing sound that can help others notice you quickly. EMERGENCY AND RESCUE USE Keep Whistle App: SOS Alarm ready for emergencies, rescue situations, travel, hiking, and disaster preparedness. It can also be useful as a just-in-case safety tool if you ever need to signal for help. OFFLINE AND READY No signal or internet is needed. Whistle App: SOS Alarm works offline, so it is available when you need it most. SOS, ALARM, AND LOUD SOUND Switch between whistle and alarm-style sounds depending on the situation. The app gives you a practical SOS whistle and loud backup sound in one place. QUICK ACCESS In urgent moments, speed matters. Open the app and start the sound right away with simple controls. SIMPLE SAFETY TOOL Whistle App: SOS Alarm is easy to use, clear, and built for situations where fast sound output matters. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://klikklakstudio.com/privacy-policy/ ## Key features - Loud SOS whistle sound - Emergency and rescue use - Works offline without signal - Switchable alarm and whistle sounds - Quick access and simple controls - Disaster preparedness tool ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Whistle S.O.S Lifetime | $1.99 | one-time | ## Frequently asked questions about Whistle App ### What is Whistle App used for? Whistle App is designed to provide a loud emergency whistle and alarm sound when you need to get attention quickly. It serves as a simple, fast, and offline safety tool for emergencies, outdoor use, or disaster preparedness. ### Does Whistle App work offline? Yes, Whistle App works completely offline. No internet signal or data connection is needed, making it available when you need it most, even in remote areas or during network outages. ### What types of sounds does Whistle App offer? Whistle App allows you to switch between a strong whistle sound and an alarm-style sound. This provides a practical SOS whistle and a loud backup sound suitable for different emergency situations. ### Is Whistle App suitable for hiking or outdoor activities? Yes, Whistle App is highly useful for outdoor activities like hiking. It can serve as an emergency tool to signal for help or attract attention if you get lost or encounter trouble. ### How often is Whistle App updated? The latest version of Whistle App is 2.1.3, which was last updated on March 7, 2026. This indicates a recent update, suggesting ongoing development and maintenance. ### What devices support Whistle App? Whistle App is supported on iPhone, iPad, and iPod devices. It is designed to be accessible on a range of Apple mobile devices. ### Does Whistle App have ads? Yes, Whistle App contains advertisements. As it is a free app with in-app purchases, advertisements are included to support its development and availability. ### What is the age rating for Whistle App? Whistle App has an age rating of 4+. This means it is considered suitable for children aged 4 and above, with no mature content. ## Version history (last 2 releases) ### 2.1.3 — 2026-03-07 This version of Whistle App: SOS Alarm includes localization improvements, bug fixes, and usability updates. ### 1.0 — 2026-02-27 No release notes. ## Apps similar to Whistle App | App | Rating | Price | Category | | --- | --- | --- | --- | | [EM6211](https://appshunter.io/ios/app/em6211/id6475598981) | — | Free | Utilities | | [SOSMS](https://appshunter.io/ios/app/sosms/id1110002902) | — | Free | Utilities | | [TecUltraFace](https://appshunter.io/ios/app/tecultraface/id6474192134) | 5.0 (1) | Free | Utilities | | [Quick Whistle](https://appshunter.io/ios/app/quick-whistle/id6754262226) | — | Free | Utilities | | [Guardian SOS: Emergency Alarm](https://appshunter.io/ios/app/guardian-sos-emergency-alarm/id6499478245) | — | Free | Utilities | | [Whistle and Airhorn App](https://appshunter.io/ios/app/whistle-and-airhorn-app/id6758553297) | — | Free | Utilities | ## More apps by Utku Gogen - [Merge-opolis](https://appshunter.io/ios/app/merge-opolis/id6446815588) - [EnchantVille](https://appshunter.io/ios/app/enchantville/id6459472993) - [SoliMino](https://appshunter.io/ios/app/solimino/id6468237973) - [Zen Ten: Calming Puzzle](https://appshunter.io/ios/app/zen-ten-calming-puzzle/id6479176880) - [Deck Stack](https://appshunter.io/ios/app/deck-stack/id6538097139) - [Block Blast 3D: Match Puzzle](https://appshunter.io/ios/app/block-blast-3d-match-puzzle/id6648753557) All apps by Utku Gogen: https://appshunter.io/developer/1677858400 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-25.*