0+ iOS apps curated and reviewed
Out of 0+ whistle app: sos alarm on iOS, 18 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 5.0★ (1) | Yes | Yes | Oct 2026 | |
| 2 |  | Free | 4.5★ (191) | No | Yes | Sep 2026 | |
| 3 |  | Free | 4.5★ (3.5K) | Yes | Yes | Oct 2026 | |
| 4 |  | Free | 3.6★ (2K) | Yes | Yes | Sep 2026 | |
| 5 |  | Free | 4.5★ (12K) | Yes | Yes | Oct 2026 | |
| 6 |  | $0.99 | — | No | No | Sep 2026 | |
| 7 |  | Free | 4.4★ (3.3K) | Yes | Yes | Oct 2026 | |
| 8 |  | Free | 4.5★ (382) | Yes | Yes | Sep 2026 |
This app provides a loud emergency whistle and alarm sound for situations where you need to get attention quickly. It functions as an offline safety tool for emergencies, outdoor activities, or disaster preparedness, offering instant sound output with simple controls.
This app offers three distinct whistle functions: a dog whistle with adjustable frequencies for training and play, an SOS emergency whistle for urgent situations, and a real whistle for sports events and attracting attention. It's a versatile tool for pet owners, safety-conscious individuals, and sports enthusiasts.
This app provides a robust alarm clock experience with customizable wake-up challenges, multiple alarm types, and smart features to ensure you get out of bed. It offers a variety of sounds, weather integration, and task-based reminders to help even heavy sleepers start their day.
