Hearing Aid APP:PETRALEX 4 EAR

Name: Hearing Aid APP:PETRALEX 4 EAR
Rating: 4.4913297 (16393 reviews)
Author: Mobile software development

Mobile software development

★ 4.5 (16,393 ratings)

⬇ 1,000,000+ downloads

Est. actual: 1,964,623

Free

Released: Apr 1, 2014

IAP: $1.49 - $59.99 per item

No ads

Rated: Everyone

Signals

4 this week · 2 warnings All of this week's signals →

📈Last 7 days +1.3K installs — 35% slower than the week before (+2K) · 223/day since Sep 27
⭐Rating steady at ★ 4.49 since Sep 27
🛠Updates dormant · updated 244 days ago
🔁Ownership renamed from Algorithm electronics to Mobile software development · Nov 2, 2026

Installs since launch

+10,262 installs · +143 ratings since Sep 27

Update history

4.5.9 Mar 16, 2026 · seen Sep 27, 2026

Built-in Music Player for HEARING-impaired<br>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!

Only the current version so far — new entries appear as the app ships updates.

Hearing Aid APP:PETRALEX 4 EAR screenshot

Hearing Aid APP:PETRALEX 4 EAR is a medical app by Mobile software development with 1,000,000+ downloads (about 2M estimated). +1.3K installs in the last 7 days. Rated 4.5 from 16K ratings. Released Apr 1, 2014. Install growth, rank history, SDKs and ad networks.

From the store listing: “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…”