Hearing Aid APP:PETRALEX 4 EAR icon

Hearing Aid APP:PETRALEX 4 EARv3.4.2 / 4.5.9

Released April 30, 2026Major

iOS Android

The latest major update introduced valuable accessibility features, yet the overall impact is negative due to aggressive monetization and review gating. The average rating dropped by 0.23 stars, offsetting the positive reception of the new speech-to-text and music player tools. While category ranking improved to 89th, the current billing and review prompt strategy creates significant user friction.

What changed

  • PlatformAdded support for Apple Watch
  • New featureIntroduced a built-in music player designed for hearing-impaired users
  • UXEnhanced dynamic compression to better amplify quiet sounds
  • New featureAdded a real-time speech-to-text live transcriber feature

Reception

38/ 100 impact scoreNegative
What worked
  • New feature

    The introduction of a built-in music player and real-time speech-to-text transcriber generated positive user feedback regarding utility for hearing-impaired individuals.

What didn't
  • UX

    backfired

    Mandatory review prompts and friction during the transition to paid status caused a 0.23 star decline in average ratings.

How it played out

Retrospective analysisAugust 22, 2026

The average rating declined by 0.23 stars following the update, driven primarily by user friction regarding subscription billing practices and mandatory review prompts. While the new accessibility features for hearing-impaired users received positive feedback, these gains were offset by negative sentiment surrounding the transition from trial to paid status. The ranking signal shows a positive shift to 89th in category, though the overall momentum appears unstable due to the recurring billing complaints.

-0.23 ★
Sentiment shift
New praises (1)
Users highlight the utility of the application for individuals with hearing impairmentsmediumversion-tied
New complaints (3)
Users report forced annual subscription charges following the conclusion of free trialsmediumversion-tied
Reviewers express frustration regarding mandatory review requirements to access full application benefitslowversion-tied
Users request microphone input support from external earpieces rather than the mobile devicelowversion-tied

Marlvel takeaways

  • Reviewers describe forced annual subscription charges as a primary pain point, suggesting a need for more transparent trial-to-paid conversion flows.
  • Users report frustration with mandatory review requirements, which correlates with the observed decline in average rating from 4.08 to 3.85.
  • External earpiece microphone support is a recurring request that would improve the utility of the current hearing aid feature set.

Original release notes

Added support for Apple Watch
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!

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Hearing Aid APP:PETRALEX 4 EAR, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Data licensed under CC-BY-NC 4.0