Best Free Audio Amplifier Apps

250+ iOS apps curated and reviewed

4.2 avg rating
20 free apps
Updated September 2026

Every iPhone needs a few good free audio amplifier apps. We benchmark 250+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Free Audio Amplifier Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Sound AmplifierSound AmplifierFree4.6★ (1.2K)NoYesSep 2026
2Volume Boost – Sound AmplifierVolume Boost – Sound AmplifierFree4.3★ (3.7K)NoYesSep 2026
3Sound Amplifier +Sound Amplifier +Free4.2★ (10)YesNoSep 2026
4Sound Amplifier | Volume BoostSound Amplifier | Volume BoostFree4.5★ (2.2K)NoYesSep 2026
5BoseBoseFree4.8★ (178K)NoNoSep 2026
6SoundLab - Audio EditorSoundLab - Audio EditorFree4.6★ (14K)NoYesSep 2026
7Volume Booster - EQ AmplifierVolume Booster - EQ AmplifierFree4.3★ (7.1K)YesYesSep 2026
8VolumeMax : Sound AmplifierVolumeMax : Sound AmplifierFree4.5★ (248)NoYesSep 2026

Top Picks for Free Audio Amplifier

Sound Amplifier#1

Sound Amplifier by Mighty Fine Apps LLC

Max Volume Booster Hearing Aid
Editor's Choice
🔧 Utilities
4.6😞(1.2K ratings)
FreeIn-App Purchases
Sound Amplifier screenshot 1
Sound Amplifier screenshot 2
Sound Amplifier screenshot 3

Transform your phone into a powerful hearing aid. This app amplifies sound up to 100x, enhances voice clarity, and reduces background noise. Protect your hearing while easily listening to conversations, lectures, or TV with connected headphones.

What We Love

  • ⭐ Excellent sound quality
  • 🔊 Effective amplification
  • 🎧 Works well with wireless headphones

Room to Improve

  • 💰 Expensive subscription model
  • 🔒 Locked behind paywall
  • 🔁 Delayed audio playback
  • 🚫 Doesn't work with built-in phone speakers
Volume Boost – Sound Amplifier#2

Volume Boost – Sound Amplifier by Evgenia Pervushina

Hear Booster: Max Decibel Test
Strong Contender
🏥 Medical
4.3😞(3.7K ratings)
FreeIn-App Purchases
Volume Boost – Sound Amplifier screenshot 1
Volume Boost – Sound Amplifier screenshot 2
Volume Boost – Sound Amplifier screenshot 3
Volume Boost – Sound Amplifier screenshot 4
Volume Boost – Sound Amplifier screenshot 5
Volume Boost – Sound Amplifier screenshot 6

Amplify and enhance the sounds around you with this app. It uses your smartphone's capabilities to boost audio, filter noise, and adapt to your specific hearing needs. A simple headset is required for full functionality, offering up to 30 dB amplification.

What We Love

  • 🔊 Boosts audio volume
  • 🎧 Works well with headphones
  • 💥 Impressive sound quality

Room to Improve

  • 🔒 Requires subscription to fully use
  • 🤖 Microphone usage concerns
  • 💰 Expensive subscription
  • 🐛 Crashes and glitches
  • 🔇 Doesn't boost volume as expected
Sound Amplifier +#3

Sound Amplifier + by heekyung moon

Hearing Assist & Mic Booster
Worth Considering
🔧 Utilities
4.2(10 ratings)
FreeAds
Sound Amplifier + screenshot 1
Sound Amplifier + screenshot 2
Sound Amplifier + screenshot 3

Enhance your hearing in everyday situations. This tool uses your phone's microphone to amplify nearby sounds and deliver them to your earphones in real time. Adjust sound with an equalizer, reduce background noise, and protect your hearing with a volume limiter.

More Free Audio Amplifier apps to explore

FAQ about Free Audio Amplifier

What are the best free audio amplifier apps for iPhone?
Sound Amplifier tops our free audio amplifier apps ranking as of September 2026, with a 4.6-star average from 1.2K App Store ratings, and it's free to download.
Sound Amplifier has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 250+ free audio amplifier apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
Sound Amplifier turns your smartphone into a hearing aid. It significantly boosts the volume of sounds around you, making it easier to hear conversations, lectures, or TV. The app also features noise reduction to eliminate distracting background sounds and protects your hearing from excessive loudness.
Key features include amplifying sound up to 100 times louder, isolating voices for crisper conversations, and providing loudness protection to safeguard your hearing. It's designed for simple use with one-tap amplification and can even run in the background.