O Petralex Hearing Aid is a free app that works as a real-time sound amplifier, helping you better hear conversations and sounds around you. Compatible with Android and iOS, it's ideal for those who need hearing assistance without investing in expensive devices. Download it now using the button below:
Petralex Hearing Aid
What is Petralex Hearing Aid?
O Petralex Hearing Aid is an app designed to turn your phone into a portable sound amplifier. It captures ambient sounds through the phone's microphone and transmits them amplified directly to headphones, with automatic adjustments based on the user's hearing ability.
While primarily aimed at people with mild to moderate hearing loss, Petralex is also widely used by those who want to hear conversations more clearly in noisy places like cafes, meetings, or lectures. The app analyzes your hearing profile and adjusts sounds in real time, creating a personalized listening experience.
Advantages of Petralex
Android and iOS compatibility
The application is available for free both on Google Play as in App Store, working on a wide variety of devices, including older models.
Real-Time Amplification
With Petralex, you can hear what's being said around you clearly. It captures and transmits sound in real time directly to your headphones, with no noticeable delay.
Custom Settings
By installing the app, users can take a quick hearing test. Based on this test, the app automatically calibrates sound levels to suit their hearing.
Simple and Accessible Interface
The design is intuitive, with volume, gain, noise reduction, and equalization controls accessible with just a few taps. Even those unfamiliar with technology can use it with ease.
Background Noise Reduction
In noisy environments, you can activate noise reduction mode, which eliminates unwanted sounds and focuses on surrounding voices. This is very useful in meetings, lectures, and public places.
No need for expensive hearing aids
The app is an affordable alternative for those who don't yet have or can't afford professional hearing aids. All you need is a pair of headphones and your smartphone to get started.
How to Use Petralex to Listen to Conversations
- Download and install the app Petralex Hearing Aid on Google Play or the App Store.
- Open the app and connect your headphones (preferably wired for lower latency).
- Allow microphone access when prompted.
- Take the optional hearing test to calibrate the sound to your hearing.
- Tap on “Start amplification” and adjust the volume and gain as needed.
- Use extra controls like equalizer and noise reduction to customize your experience.
Once set up, the app works continuously, allowing you to hear your surroundings more clearly and naturally. It's ideal for use in meetings, public transportation, shopping malls, and more.
Legal and Ethical Care
Although the Petralex Even if it's a legitimate app focused on accessibility and inclusion, it's important to remember that listening to private conversations without consent can be considered an invasion of privacy, depending on the country's legislation.
Use the app responsibly, especially in environments where others aren't aware that their speech is being listened to with technological assistance. Use Petralex in situations where you need to hear better for personal or professional reasons, not for eavesdropping.
Common questions
Yes. The app is designed for hearing accessibility and is legal for personal use. However, using it to listen to others without their consent may constitute a privacy violation.
No. The app works completely offline, as it uses the device's microphone and headphones to capture and amplify sound.
Yes, but wired headphones generally have less delay in sound transmission, which provides a more natural experience.
Battery consumption is moderate. Since the microphone is always active, it's best to use it with your phone charged or plugged in.
Yes. The app has a noise reduction mode that helps filter out unwanted sounds, improving speech clarity.
