Every iPhone needs a few good sound alert apps. We benchmark 249+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.
This app uses your smartphone's microphone to detect important environmental sounds like alarms and doorbells. It alerts users through vibrations, camera flash, and on-screen notifications, offering peace of mind for those who are hard-of-hearing or heavy sleepers.
Discover and set popular sound effect ringtones for your device. Customize alerts for calls, texts, voicemails, emails, and calendar events with a variety of funny, loud, and prank tones. Easily save and apply your chosen sounds as custom alerts.
What We Love
😂 Hilarious sound effects for pranks
👍 User-friendly interface
🎵 Diverse sound collection
📵 No ad bombardment (compared to similar apps)
🎯 Effective for pranking friends and family
🆓 Free to use
👶 Toddler-friendly and easy to navigate
Room to Improve
📢 Excessive advertisements
🔇 Silent mode confusion (users unaware of device settings)
This app listens for important sounds and alerts you with visual or haptic feedback. It supports over 70 sounds, including emergency alerts, and offers customizable notifications for deaf and hard-of-hearing users.
Sound Alert. tops our sound alert apps ranking as of September 2026, with a 2.8-star average from 6 App Store ratings, and it's free to download.
Are there free sound alert apps for iPhone?
Yes — 20 of the top sound alert apps we rank are free to download, including Sound Alert. and Top Sound Effect Ringtones.
Does Sound Alert. have ads or in-app purchases?
Sound Alert. has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
How many sound alert apps are on the App Store?
We track 249+ sound alert apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
What sounds can Sound Alert detect?
Sound Alert can detect a broad range of sounds including doorbells, telephone ringing, microwave beeping, thief alarms, intercoms, and any type of smoke alarms. Its smart algorithm is designed to identify various environmental cues.
How does Sound Alert notify users?
When a sound is detected, Sound Alert alerts users by vibrating their smartphone, flashing the mobile's camera light, and displaying an icon image of the event with a text note on the smartphone screen. It can also notify a connected Pebble watch.