Hearing Aid APP:PETRALEX 4 EAR
9.0 1K+
v4.5.9 by Algorithm electronics
About Petralex
Petralex (Package Name: com.it4you.petralex) is developed by Algorithm electronics and the latest version of Hearing Aid APP:PETRALEX 4 EAR 4.5.9 was updated on March 17, 2026. Hearing Aid APP:PETRALEX 4 EAR is in the category of Medical. You can check all apps from the developer of Hearing Aid APP:PETRALEX 4 EAR and find 200 alternative apps to Hearing Aid APP:PETRALEX 4 EAR on Android. Currently this app is for free. This app can be downloaded on Android 8.1+ on APKFab or Google Play. All APK/XAPK files on APKFab.com are original and 100% safe with fast download.
Petralex - Personal Audio Amplifier & Sound Enhancer
Petralex transforms Android smartphone into a sophisticated audio amplifier & hearing app companion. Enjoy MUSIC BOOST with 3x AMPLIFIER, personalized settings, clear sound, noise reducer & built-in hearing test. Petralex — advanced SUPER HEARING app.
# Key Benefits
● Personalized Sound – Adapts to your unique audiogram or hearing profile.
● Award-Winning Tech – Microsoft Inspire P2P Winner (2017).
● No Ads, No Sign-Up – Just plug in and enjoy improved clarity.
● Trusted by 4.000.000+ Users – Join a GLOBAL COMMUNITY focused on better listening.
# FREE Features You’ll Love
‣ Custom audio adjustment per ear – INDIVIDUAL LEFT/RIGHT BALANCE to amplify precisely.
‣ Intelligent environment adaptation – From SILENT SPACES to BUSY AREAS.
‣ 30 dB Audio Enhancement – ⌘ FOR MINIMAL LATENCY, WIRED HEADSETS ARE SUGGESTED.
‣ Built-in audio calibration tool – CREATE YOUR PERSONALIZED SETTING in MINUTES.
‣ 4 Audio Modes – DISCOVER YOUR FAVORITE STYLE for optimal listening.
‣ Bluetooth & wired connection – NOTE: BLUETOOTH might introduce MINOR DELAY.
‣ Remote Microphone Function – TRANSFORM YOUR PHONE into a PORTABLE MICROPHONE.
‣ Live Audio Capture – MORE EASILY PERCEIVE CONVERSATIONS in YOUR SPACE with this live listen feature.
# PREMIUM Upgrade (7-Day Free Trial)
Access advanced audio features with:
■ Maximum Boost Setting – EXTREME AUDIO ENHANCEMENT to amplify significantly.
■ Advanced Noise Reducer – MINIMIZE AMBIENT NOISE effectively.
■ Unlimited Custom Profiles – STORE SETTINGS for EVERY SITUATION.
■ Comfort Audio Mode – SOFTER, MORE PLEASANT SOUND.
■ Advanced Dectone Technology – PRISTINE and AUTHENTIC AUDIO.
■ Voice Capture Feature – RECORD SPEECH with IMPROVED CLEARNESS.
■ Media Player with Adaptive Boost – CUSTOMIZE PLAYBACK to YOUR SETTINGS.
● NEW: Concurrent audio capture – RECORD while ENHANCING AUDIO LIVE.
● NEW: Speech-to-text conversion – RECEIVE IMMEDIATE TRANSCRIPTS of DIALOGUE.
● NEW: Playback of stored media with your PERSONAL PROFILE – COMPATIBLE with DEVICE STORAGE, DROPBOX, GOOGLE DRIVE, or WIFI SHARING.
# Flexible Plans (Cancel Anytime)
◆ Weekly – NO-RISK EVALUATION PERIOD for this hearing app.
◆ Monthly – IDEAL for TEMPORARY USE.
◆ Annual – MOST ECONOMICAL CHOICE.
⌘ ADAPTING TO AUDIO ENHANCEMENT APPLICATIONS REQUIRES PATIENCE! PLEASE NOTE:
Adjustment may occur over SEVERAL WEEKS.
You might perceive AUDIO DETAILS PREVIOUSLY UNNOTICED – utilize the INTEGRATED NOISE REDUCER.
Certain sounds could initially appear UNFAMILIAR – this SENSATION TYPICALLY FADES.
FOR A SMOOTHER ADJUSTMENT, USE THE INCLUDED 4-WEEK GUIDED PROGRAM.
⌘ Important Notice:
The Petralex application is an audio enhancement tool. IT IS NOT CERTIFIED AS A MEDICAL DEVICE, HEARING AID APP, OR SUPER HEARING SOLUTION.
The included audio calibration tool (similar to a basic hearing test) helps create a personal audiogram for app settings ONLY. IT IS NOT A SUBSTITUTE FOR PROFESSIONAL HEARING ASSESSMENTS conducted by a qualified specialist (an ENT consultation is advised for hearing health concerns).
This service offers a FREE 7-DAY EVALUATION — sufficient to determine if you wish to PROCEED or DISCONTINUE using this hearing app. Refunds ARE NOT PROVIDED once this trial period concludes.
Questions, feedback or suggestions? Contact us: support@petralex.pro
For further details:
Terms of service: petralex.pro/page/terms
Privacy policy: petralex.pro/page/policy
◆ REDISCOVER THE DETAILS IN YOUR AUDIO – EXPERIENCE PETRALEX NOW!
Petralex transforms Android smartphone into a sophisticated audio amplifier & hearing app companion. Enjoy MUSIC BOOST with 3x AMPLIFIER, personalized settings, clear sound, noise reducer & built-in hearing test. Petralex — advanced SUPER HEARING app.
# Key Benefits
● Personalized Sound – Adapts to your unique audiogram or hearing profile.
● Award-Winning Tech – Microsoft Inspire P2P Winner (2017).
● No Ads, No Sign-Up – Just plug in and enjoy improved clarity.
● Trusted by 4.000.000+ Users – Join a GLOBAL COMMUNITY focused on better listening.
# FREE Features You’ll Love
‣ Custom audio adjustment per ear – INDIVIDUAL LEFT/RIGHT BALANCE to amplify precisely.
‣ Intelligent environment adaptation – From SILENT SPACES to BUSY AREAS.
‣ 30 dB Audio Enhancement – ⌘ FOR MINIMAL LATENCY, WIRED HEADSETS ARE SUGGESTED.
‣ Built-in audio calibration tool – CREATE YOUR PERSONALIZED SETTING in MINUTES.
‣ 4 Audio Modes – DISCOVER YOUR FAVORITE STYLE for optimal listening.
‣ Bluetooth & wired connection – NOTE: BLUETOOTH might introduce MINOR DELAY.
‣ Remote Microphone Function – TRANSFORM YOUR PHONE into a PORTABLE MICROPHONE.
‣ Live Audio Capture – MORE EASILY PERCEIVE CONVERSATIONS in YOUR SPACE with this live listen feature.
# PREMIUM Upgrade (7-Day Free Trial)
Access advanced audio features with:
■ Maximum Boost Setting – EXTREME AUDIO ENHANCEMENT to amplify significantly.
■ Advanced Noise Reducer – MINIMIZE AMBIENT NOISE effectively.
■ Unlimited Custom Profiles – STORE SETTINGS for EVERY SITUATION.
■ Comfort Audio Mode – SOFTER, MORE PLEASANT SOUND.
■ Advanced Dectone Technology – PRISTINE and AUTHENTIC AUDIO.
■ Voice Capture Feature – RECORD SPEECH with IMPROVED CLEARNESS.
■ Media Player with Adaptive Boost – CUSTOMIZE PLAYBACK to YOUR SETTINGS.
● NEW: Concurrent audio capture – RECORD while ENHANCING AUDIO LIVE.
● NEW: Speech-to-text conversion – RECEIVE IMMEDIATE TRANSCRIPTS of DIALOGUE.
● NEW: Playback of stored media with your PERSONAL PROFILE – COMPATIBLE with DEVICE STORAGE, DROPBOX, GOOGLE DRIVE, or WIFI SHARING.
# Flexible Plans (Cancel Anytime)
◆ Weekly – NO-RISK EVALUATION PERIOD for this hearing app.
◆ Monthly – IDEAL for TEMPORARY USE.
◆ Annual – MOST ECONOMICAL CHOICE.
⌘ ADAPTING TO AUDIO ENHANCEMENT APPLICATIONS REQUIRES PATIENCE! PLEASE NOTE:
Adjustment may occur over SEVERAL WEEKS.
You might perceive AUDIO DETAILS PREVIOUSLY UNNOTICED – utilize the INTEGRATED NOISE REDUCER.
Certain sounds could initially appear UNFAMILIAR – this SENSATION TYPICALLY FADES.
FOR A SMOOTHER ADJUSTMENT, USE THE INCLUDED 4-WEEK GUIDED PROGRAM.
⌘ Important Notice:
The Petralex application is an audio enhancement tool. IT IS NOT CERTIFIED AS A MEDICAL DEVICE, HEARING AID APP, OR SUPER HEARING SOLUTION.
The included audio calibration tool (similar to a basic hearing test) helps create a personal audiogram for app settings ONLY. IT IS NOT A SUBSTITUTE FOR PROFESSIONAL HEARING ASSESSMENTS conducted by a qualified specialist (an ENT consultation is advised for hearing health concerns).
This service offers a FREE 7-DAY EVALUATION — sufficient to determine if you wish to PROCEED or DISCONTINUE using this hearing app. Refunds ARE NOT PROVIDED once this trial period concludes.
Questions, feedback or suggestions? Contact us: support@petralex.pro
For further details:
Terms of service: petralex.pro/page/terms
Privacy policy: petralex.pro/page/policy
◆ REDISCOVER THE DETAILS IN YOUR AUDIO – EXPERIENCE PETRALEX NOW!
Petralex 4.5.9 Update
Built-in Music Player for HEARING-impairedEnhanced dynamic compression to AMPLIFY quiet sounds
Added LIVE TRANSCRIBER — speech-to-text in real time
Thank you for your feedback — we keep improving!
Read More
Petralex Features
Previous Versions
More
Variant
Arch
Version
DPI
4005009
March 17, 2026
Hearing Aid APP:PETRALEX 4 EAR
4.5.9
(4005009)
Requires Android: Android 8.1+
Architecture: arm64-v8a
Screen DPI: nodpi
SHA1: 5a6eec47487b06906aa341186bbefca05ce48605
Base APK: com.it4you.petralex.apk
Split APKs: config.arm64_v8a, config.xxxhdpi
Size: 89.33 MB
What's New:
Built-in Music Player for HEARING-impaired
Enhanced dynamic compression to AMPLIFY quiet sounds
Added LIVE TRANSCRIBER — speech-to-text in real time
Thank you for your feedback — we keep improving!
Enhanced dynamic compression to AMPLIFY quiet sounds
Added LIVE TRANSCRIBER — speech-to-text in real time
Thank you for your feedback — we keep improving!
arm64-v8a
Android 8.1+
nodpi
4005009
March 17, 2026
Hearing Aid APP:PETRALEX 4 EAR
4.5.9
(4005009)
Requires Android: Android 8.1+
Architecture: armeabi-v7a
Screen DPI: nodpi
SHA1: b8d59e511f33d16259bc3f6008b90600a78e565c
Base APK: com.it4you.petralex.apk
Split APKs: config.armeabi_v7a, config.hdpi
Size: 86.54 MB
What's New:
Built-in Music Player for HEARING-impaired
Enhanced dynamic compression to AMPLIFY quiet sounds
Added LIVE TRANSCRIBER — speech-to-text in real time
Thank you for your feedback — we keep improving!
Enhanced dynamic compression to AMPLIFY quiet sounds
Added LIVE TRANSCRIBER — speech-to-text in real time
Thank you for your feedback — we keep improving!
armeabi-v7a
Android 8.1+
nodpi
Variant
Arch
Version
DPI
4005006
January 14, 2026
Hearing Aid APP:PETRALEX 4 EAR
4.5.6
(4005006)
Requires Android: Android 8.1+
Architecture: arm64-v8a
Screen DPI: nodpi
SHA1: 4c28d9606480c05670bace0f2aed4cfa670ee731
Base APK: com.it4you.petralex.apk
Split APKs: config.arm64_v8a, config.xxxhdpi
Size: 91.7 MB
What's New:
Built-in Music Player for HEARING-impaired
Enhanced dynamic compression to AMPLIFY quiet sounds
Added LIVE TRANSCRIBER — speech-to-text in real time
Thank you for your feedback — we keep improving!
Enhanced dynamic compression to AMPLIFY quiet sounds
Added LIVE TRANSCRIBER — speech-to-text in real time
Thank you for your feedback — we keep improving!
arm64-v8a
Android 8.1+
nodpi
4005006
January 14, 2026
Hearing Aid APP:PETRALEX 4 EAR
4.5.6
(4005006)
Requires Android: Android 8.1+
Architecture: armeabi-v7a
Screen DPI: nodpi
SHA1: 79b35156198b3767bf5f3000d20c707a9072073e
Base APK: com.it4you.petralex.apk
Split APKs: config.armeabi_v7a, config.hdpi
Size: 86.22 MB
What's New:
Built-in Music Player for HEARING-impaired
Enhanced dynamic compression to AMPLIFY quiet sounds
Added LIVE TRANSCRIBER — speech-to-text in real time
Thank you for your feedback — we keep improving!
Enhanced dynamic compression to AMPLIFY quiet sounds
Added LIVE TRANSCRIBER — speech-to-text in real time
Thank you for your feedback — we keep improving!
armeabi-v7a
Android 8.1+
nodpi
Variant
Arch
Version
DPI
4005005
December 10, 2025
Hearing Aid APP:PETRALEX 4 EAR
4.5.5
(4005005)
Requires Android: Android 8.1+
Architecture: arm64-v8a
Screen DPI: nodpi
SHA1: 0a06ca6a73f541868264e59714a9599e1bec8f44
Base APK: com.it4you.petralex.apk
Split APKs: config.arm64_v8a, config.xxxhdpi
Size: 91.57 MB
What's New:
Enhanced dynamic compression to AMPLIFY quiet sounds
Added LIVE TRANSCRIBER — speech-to-text in real time
Thank you for your feedback — we keep improving!
Added LIVE TRANSCRIBER — speech-to-text in real time
Thank you for your feedback — we keep improving!
arm64-v8a
Android 8.1+
nodpi
4005005
December 10, 2025
Hearing Aid APP:PETRALEX 4 EAR
4.5.5
(4005005)
Requires Android: Android 8.1+
Architecture: armeabi-v7a
Screen DPI: nodpi
SHA1: 8c084100039f065e666b648c9e170441dd2ec5cd
Base APK: com.it4you.petralex.apk
Split APKs: config.armeabi_v7a, config.hdpi
Size: 86.08 MB
What's New:
Enhanced dynamic compression to AMPLIFY quiet sounds
Added LIVE TRANSCRIBER — speech-to-text in real time
Thank you for your feedback — we keep improving!
Added LIVE TRANSCRIBER — speech-to-text in real time
Thank you for your feedback — we keep improving!
armeabi-v7a
Android 8.1+
nodpi
Requires Android: Android 8.1+
Architecture: arm64-v8a
Screen DPI: nodpi
SHA1: 33795c90862323a6572aebc93e485769f900bc46
Size: 93.3 MB
What's New:
Improved the app stability and fixed crashes
Keep your feedback coming! Write us at info@petralex.pro and one of our friendly bunch will get back to you
Keep your feedback coming! Write us at info@petralex.pro and one of our friendly bunch will get back to you
More Information
Package Name:
Update Date:
2026-03-17
Latest Version:
4.5.9
Need Update:
Available on:
Requirements:
Android 8.1+
Report:
Safe to Download
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