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HeardThat vs Sound Amplifier (Google): Side-by-Side Comparison

Checked November 10, 2026. Next full check February 2027.

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This page puts HeardThat and Sound Amplifier (Google) side by side. It shows what each maker or store says. It does not pick a winner.

At a glance

FeatureHeardThatSound Amplifier (Google)
MakerSingular HearingGoogle LLC
GroupHear speech betterHear speech better
Works oniPhone, AndroidAndroid
Built into the phoneNoNo
CostNo-cost tier and paid plans. The App Store says it is free to try for 30 days. After that you get 30 minutes a week at no cost, or you subscribe for unlimited use. The App Store lists $9.99 a month and $99.99 a year.No cost. The Google Play listing shows no price.
Good forPeople who want to try speech-in-noise software with the headphones they own.Android users who want to try a phone tool in noisy rooms.

Main differences

  • HeardThat works on iPhone, Android. Sound Amplifier (Google) works on Android.
  • HeardThat: no-cost tier and paid plans. Sound Amplifier (Google): no cost.

What each one does

HeardThat

  • Separates speech from background noise with AI.
  • Sends the cleaned speech to your earbuds, headphones or hearing aids.
  • Saves sessions you can download.
  • Lets you adjust sound with a frequency equalizer.
  • Lets you set a starting equalizer from a picture of an audiogram.

Sound Amplifier (Google)

  • Reduces background noise to make speech easier to pick out.
  • Offers a conversation mode that focuses on a voice in noisy places, on Pixel 3 and later.
  • Amplifies conversation, TV and lectures.
  • Lets you adjust each ear: cut noise, or boost low, high or quiet sounds.
  • Turns on from the accessibility button, a gesture or Quick Settings.

What each one needs

HeardThat

  • An iPhone with iOS 15 or later, or an Android phone.
  • Earbuds, headphones or hearing aids that play audio from your phone.

Sound Amplifier (Google)

  • An Android phone with Android 8.1 or later.
  • Wired or Bluetooth headphones.

Good to know

HeardThat

  • The App Store says it works with most listening devices that can take a hands-free phone call.
  • A recent update notes less delay with Bluetooth earbuds on iOS 26.2 or later.
  • Prices come from the App Store listing on the checked date. They can change.

Sound Amplifier (Google)

  • Google suggests Bluetooth headphones for far sources. They can add audio delay.
  • It does not replace a hearing evaluation or hearing aids.

How to choose

  • Check your phone first. Some apps work on one kind of phone only.
  • Read the limits for each app above. Then read each full page.
  • Check the cost on the store listing before you install.
  • Try one app at a time. Tell your audiologist which one helps.

This guide is general information. It does not diagnose hearing loss and it does not replace a hearing evaluation. An app cannot tell you why you hear less. An audiologist can.

Read more on our site

Sources

We read these pages on November 10, 2026. Prices and phone requirements change, so check the listing before you install.

Need help choosing?

Always struggling in noise? That is a common first sign of hearing change. Book a hearing test: 650-342-9449.

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