Sound Amplifier: Hear Boost
Super Hearing Volume Booster
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
Turn your iPhone into a powerful Sound Amplifier & Volume Booster.
Turn your iPhone into a powerful Sound Amplifier & Volume Booster.
Never miss a conversation again. Whether you are in a noisy restaurant, a lecture hall, or watching TV, this app amplifies sound in real-time and brings clarity directly to your headphones.
EXCLUSIVE FEATURE: INSTANT REPLAY
Did you miss what they just said? Don't ask them to repeat.
• Tap the "Replay" button to instantly rewind the last 30 seconds of audio.
• Listen again, louder and clearer.
TOP FEATURES:
• Sound Amplifier: Boost volume beyond normal limits for crystal clear hearing.
• Microphone Boost: Uses your phone's advanced microphone to capture distant sounds.
• Works with Any Headphones: Compatible with AirPods, Bluetooth headsets, and wired earbuds.
• Background Mode: Continue listening even when your screen is off to save battery.
• Live Waveform: See the sound visualization in real-time.
PERFECT FOR:
• Conversations in crowded places.
• Hearing the TV without blasting the volume.
• Lectures, meetings, and interviews.
• Anyone needing a temporary hearing boost.
SIMPLE & PRIVATE:
No account required. No data collection. Just plug in your headphones and tap the Power button.
COMPATIBILITY:
Works best with wired headphones for zero latency. Also supports AirPods and Bluetooth devices (A2DP).
Note: This app is a sound amplification tool and is not a medical device.
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Subscription automatically renews unless canceled at least 24 hours before the period ends. Manage subscriptions in Settings > Apple ID.
Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://sites.google.com/view/hearing-aid-app/accueil
Ratings & Reviews
Bug fixes and performance improvements.
The developer, Lash Karetski, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Identifiers
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Lash Karetski
- Size
- 10.3 MB
- Category
- Utilities
- Compatibility
Requires iOS 17.6 or later.
- iPhone
Requires iOS 17.6 or later. - Mac
Requires macOS 14.6 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.3 or later.
- iPhone
- Languages
- English
- Age Rating
13+
- 13+
- Infrequent
Medical Treatment information
Contains
Health or Wellness Topics
- In-App Purchases
Yes
- Premium $14.99
- Weekly Premium $6.99
- Yearly Premium $34.99
- Copyright
- © 2025 Sound Amplifier: Hear Boost