100Alarms is the household name in loud alarm warning, but it's far from the only option. We track 248+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
Compare top Loud Alarm Warning Apps (October 2026)
This app helps you wake up on time with customizable alarms. Solve math problems to turn off the alarm and choose from various sounds. A widget allows for quick alarm management.
This app provides extremely loud alarm sounds and voice alerts designed to ensure even heavy sleepers wake up on time. It offers a wide variety of sound options, background operation, and customizable snooze settings to prevent oversleeping.
What We Love
🚀 Loud and effective alarm
👍 Variety of alarm sounds
🚀 Wakes up heavy sleepers
👍 Reliable and consistent
👍 Easy to use
Room to Improve
🐛 Occasional issues with alarms not going off
💰 Paid features like snooze are required
💰 Some sounds require additional purchase
🔧 Alarm times not displayed in chronological order