App directory

Google Sound Amplifier

Google

Processes surrounding speech or device audio for listening through headphones.

Official information

Features

Audio input & output

  • Supported: Audio inputsDevice microphoneAndroid 8.1 or later
  • Supported: Live outputsHeadphone audio

Listening assistance

  • Conditional: Speech enhancement2
  • Conditional: Background-noise reduction2
  • Conditional: Phone as remote microphone2
  • Conditional: Separate ear adjustments2
  • Conditional: Wired-headphone output2
  • Conditional: Bluetooth-headphone output2
  • Supported: Venue requirementsNone

Availability & access

  • Not supported: Hearing device required

Research & evidence

  • Supported: App-specific study1
  1. Exploratory pilot study (n = 7, mild hearing loss) by Koo et al., J Int Adv Otol 2022; Sound Amplifier run on a Galaxy S8 with bundled wired earbuds; app version not reported; not randomized per the paper's description; authors report no word-recognition improvement over unaided for Sound Amplifier.
  2. Requires supported wired or Bluetooth headphones. Available controls and device-audio features depend on the Android device.

Google Play ratings & reviews

92,888 ratings

Praise

  • Some reviewers find amplification or sound tuning useful.

Complaints

  • Headphone recognition, delay and unstable playback cause difficulties.

Google Play rating for the US store as of Nov 9, 2026. Review themes come from 34 sampled reviews. Read reviews on Google Play