Hearing Aid APP:PETRALEX 4 EAR4.5.9 - Google Play
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Publisher Description
Hearing Aid APP:PETRALEX 4 EAR -Petralex Hearing Aid App – advanced volume booster & hearing amplifier
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!
About Hearing Aid APP:PETRALEX 4 EAR
The company that develops Hearing Aid APP:PETRALEX 4 EAR is Algorithm electronics. The latest version released by its developer is 4.5.9.
To install Hearing Aid APP:PETRALEX 4 EAR on your Android device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2026-03-16 and was downloaded 0 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded app with your antivirus. Your antivirus may detect the Hearing Aid APP:PETRALEX 4 EAR as malware as malware if the download link to com.it4you.petralex is broken.
How to install Hearing Aid APP:PETRALEX 4 EAR on your Android device:
- Click on the Continue To App button on our website. This will redirect you to Google Play.
- Once the Hearing Aid APP:PETRALEX 4 EAR is shown in the Google Play listing of your Android device, you can start its download and installation. Tap on the Install button located below the search bar and to the right of the app icon.
- A pop-up window with the permissions required by Hearing Aid APP:PETRALEX 4 EAR will be shown. Click on Accept to continue the process.
- Hearing Aid APP:PETRALEX 4 EAR will be downloaded onto your device, displaying a progress. Once the download completes, the installation will start and you'll get a notification after the installation is finished.
Program Details
System requirements
Download information
Pricing
Version History
version 4.5.9
posted on 2026-03-16
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!
version 4.5.5
posted on 2025-12-10
Enhanced dynamic compression to AMPLIFY quiet sounds
Added LIVE TRANSCRIBER — speech-to-text in real time
Thank you for your feedback — we keep improving!
version 4.5.3
posted on 2025-10-01
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
version 4.2.2
posted on 2023-08-28
Improved hearing testing without a headset
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
version 4.1.4
posted on 2023-03-29
In the 4.1.4 we 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
version 3.9.8
posted on 2021-11-02
Improved the app stability and fixed crashes.
New features added:
-- Sound frequency compression
-- Intelligent adaptation to noise
-- Masking tinnitus
Thank you for using the Petralex Hearing Aid App! For any questions or feedback, please contact our friendly Petralex Team by emailing info@petralex.pro
version 3.7.5
posted on 2021-10-27
In the 3.7.5 we 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.
version 3.7.3
posted on 2020-11-17
In the 3.7.3 we 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.
version 3.7.2
posted on 2020-10-28
In the 3.7.2 we 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.
version 3.5.5
posted on 2020-04-30
Improved performance of amplification algorithms.
In the 3.5.5 we 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.
Disclaimer
Official Google Play Link
We do not host Hearing Aid APP:PETRALEX 4 EAR on our servers. We did not scan it for viruses, adware, spyware or other type of malware. This app is hosted by Google and passed their terms and conditions to be listed there. We recommend caution when installing it.
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