Version history
Hearing Aid APP:PETRALEX 4 EAR
34
ASO score
Text
25/100
Reviews
72/100
Graphic
40/100
Other
0/100
App Rating
4.3
Votes
1.53M
App Age
11y 9m
Last Update
Dec 10, 2025
iAP
$1.49 - 64.99
Compare with Category Top Apps
|
Metrics
|
Current App
|
Category Top Average
|
Difference
|
|---|---|---|---|
|
Installs
|
1.8M
|
2.3M
|
-23%
|
|
Rating
|
4.32
|
4.17
|
+4%
|
|
Number of Ratings (Voted)
|
1.3M
|
2.5M
|
-46%
|
|
App Age
|
11y 9m
|
7y 9m
|
+52%
|
|
In-app Purchases Price
|
$31
|
$47
|
-35
%
|
|
Update Frequency
|
78d
|
156d
|
-50%
|
|
Title Length
|
30
|
25
|
+20%
|
|
Short Description Length
|
74
|
63
|
+17%
|
|
Description Length
|
2 953
|
2 653
|
+11%
|
|
Number of Screenshots
|
2535
|
1295
|
+96
%
|
|
Has Video?
|
No
|
0% has videos
|
|
|
Size
|
0MB
|
0MB
|
|
Category Ranking in United States
7 days
Last 7 days
Last 30 days
Last 90 days
Last 180 days
Last year
| Top | Dec 19, 2025 | Dec 26, 2025 |
|---|---|---|
|
|
44
|
| Top | Dec 19, 2025 | Dec 26, 2025 |
|---|---|---|
|
|
44
|
| Top | Dec 19, 2025 | Dec 26, 2025 |
|---|---|---|
|
No results were found!
|
||
| Top | Dec 19, 2025 | Dec 26, 2025 |
|---|---|---|
|
No results were found!
|
||
Downloads
Downloads Graph
Total
1.8M
Last month
6.1K
Text ASO
Title
(
Characters:
30
of 50
)
Hearing Aid APP:PETRALEX 4 EAR
Short Description
(
Characters:
74
of 80
)
Petralex Hearing Aid App – advanced volume booster & hearing amplifier
Description
(
Characters:
2953
of 4000
)
Petralex turns Android smartphone into a HEARING AID app & AUDIO AMPLIFIER. The Petralex listening device automatically adjusts to your unique hearing. 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 amplification for each side – LEFT/RIGHT BALANCE CONTROL.
‣ Smart environment adaptation – From QUIET ROOMS to CROWDED STREETS.
‣ 30 dB Boost – ⌘ WIRED HEADSET RECOMMENDED for ZERO LAG.
‣ Built-in hearing test – YOUR PERSONALIZED AUDIOGRAM in MINUTES.
‣ 4 Sound Modes – FIND YOUR PREFERRED STYLE.
‣ Bluetooth & wired support – NOTE: BLUETOOTH may add SLIGHT DELAY.
‣ Remote Mic Mode – USE YOUR PHONE as a WIRELESS MICROPHONE.
‣ Live Listen – PICK UP CONVERSATIONS across the room EFFORTLESSLY.
# PREMIUM Upgrade (7-Day Free Trial)
Unlock next-level performance with:
■ Super Boost Mode – ULTRA-POWERFUL ENHANCEMENT.
■ Noise Suppression – REDUCE BACKGROUND CHATTER.
■ Unlimited Sound Profiles – SAVE SETTINGS for DIFFERENT ENVIRONMENTS.
■ Tinnitus-Friendly Mode – GENTLE, COMFORTABLE SOUND.
■ Advanced Dectone Tech – CLEAR and NATURAL AUDIO.
■ Audio Recorder – CAPTURE VOICES with OPTIMIZED CLARITY.
■ Music Player with Smart Boost – TAILOR PLAYBACK TO YOUR PROFILE.
● NEW: Live audio recording – CAPTURE SOUND while AMPLIFYING in REAL-TIME.
● NEW: Audio transcription – GET INSTANT TEXT VERSIONS of SPOKEN CONTENT.
● NEW: Play stored music using your CUSTOM SOUND PROFILE – WORKS with LOCAL FILES, DROPBOX, GOOGLE DRIVE, or WIFI TRANSFERS.
# Flexible Plans (Cancel Anytime)
◆ Weekly – RISK-FREE TRIAL.
◆ Monthly – GREAT for SHORT-TERM USE.
◆ Annual – BEST VALUE.
⌘ IT TAKES TIME TO GET USED TO ANY HEARING APP! BE READY FOR:
* Adaptation takes SEVERAL WEEKS TO MONTHS.
* You will hear SOUNDS YOU HAVE NOT HEARD BEFORE – use the BUILT-IN NOISE REDUCTION.
* Some familiar sounds may SEEM METALLIC – this DISAPPEARS WITH TIME.
USE THE BUILT-IN 4-WEEK ADAPTIVE COURSE FOR A COMFORTABLE TRANSITION.
⌘ Disclaimer:
The Petralex Hörgeräte App® is NOT APPROVED as a MEDICAL DEVICE.
The hearing test provided is ONLY for APP ADJUSTMENT and DOES NOT REPLACE PROFESSIONAL AUDIOLOGY TESTS (ENT consultation required).
The Service includes a FREE 7-DAY TRIAL — ENOUGH TIME to decide whether to CONTINUE or STOP using the app. Refunds AFTER this period are NOT available.
Questions, feedback or suggestions?
Contact us: support@petralex.pro
More about our terms:
Terms of service: petralex.pro/page/terms
Privacy policy: petralex.pro/page/policy
◆ EXPERIENCE LIFE IN FULL DETAIL – TRY PETRALEX TODAY!}
Read more
Other
Additional Information
| Rating: | |
| Voted: | 1.53M |
| Google Play Link: | |
| Website: | |
| Email: | |
| Privacy Policy: | |
| Categories: | Medical |
| Size: | - |
| iAP: | 1.49 - 64.99 $ |
| Installs: | 1.78M |
| App Age: | 11 years 9 months |
| Release Date: | Apr 01, 2014 |
| Last Update: | Dec 10, 2025 |
| Version: | 4.5.5 |
Version history
4.5.5
Dec 10, 2025
Enhanced dynamic compression to AMPLIFY quiet sounds<br>Added LIVE TRANSCRIBER — speech-to-text in real time<br>Thank you for your feedback — we keep improving!
4.5.3
Oct 01, 2025
Improved the app stability and fixed crashes<br>Keep your feedback coming! Write us at info@petralex.pro and one of our friendly bunch will get back to you