Sound Amplifier: Hear Boost
Not in any tracked top chart right now.
Updated 17 Oct 2026 · rankings refresh through the day
DeveloperLash Karetski
CategoryUtilities
PriceFree
Released
Rating★ 4.2 (5)
Version1.0.4
Age rating12+
First seen by us
13 Oct 2026
13 Oct 2026Installs (est.)1k+ worldwide
Rating
4.2 ★
5 ratings
Measured
Sound Amplifier: Hear Boost on the App Store
App details
App ID
6756648714
Publisher
Lash Karetski
On the store since
Jan 2026
Under a year
Minimum OS
iOS 17.6+
iPhone XS and later
Devices
iPhone · iPad
Content rating
12+
1 content note below
Languages
1
EN
Size
10 MB
Content notesInfrequent/Mild Medical/Treatment Information
Sound Amplifier: Hear Boost downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. iPhone downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. Confidence is the chance the real number is within half to double ours.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
4.2 ★
5 ratings
Measured
Ratings
5
Measured
About Sound Amplifier: Hear Boost
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.
—
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
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.
—
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
Latest updates
1.0.4
Bug fixes and performance improvements.
