# Speaker Test: Stereo Check — Phone Speaker & Earpiece Test

> Phone Speaker & Earpiece Test (iPhone/iPad app by Yunus Gunduz.)

- Source: https://appshunter.io/ios/app/speaker-test-stereo-check/id6816018021 (this page in markdown: same URL + `.md`)
- Developer: [Yunus Gunduz](https://appshunter.io/developer/1694137492)
- Category: Utilities, Productivity
- Price: Free
- Age rating: 4+
- Requires: iOS 16.0 · 10 MB
- Languages: American English, Arabic, French (France), German (Germany), Japanese, Brazilian Portuguese, Russian, European Spanish, Turkish, Ukrainian
- Released: 2026-09-30
- Data updated: 2026-10-21

## What is Speaker Test?

Speaker Test checks every built-in speaker of your iPhone or iPad in under a minute.

SPEAKER CHECK
Play a tone on each speaker one by one, answer "heard it" or "didn't hear", and see the result: "2 of 2 speakers work". iPhone has two speakers, the bottom speaker and the earpiece at the top; a weak or silent one is easy to spot.

STEREO LEFT / RIGHT
Play a tone on the left, the right or both speakers and hear whether each side works on its own.

WATER EJECT
Pulses of a low 165 Hz tone make the speaker membrane vibrate, which can help push water and dust out of the grille after your phone gets wet.

MORE TESTS
• Basic tones: A4 440 Hz and a vocal-range tone
• Advanced tones: bass, treble, white noise, square wave, custom frequency
• Frequency sweep from 20 Hz to 20 kHz: find where the sound stops
• Output devices: see where the sound goes (speaker, headphones, Bluetooth, AirPlay)
• Warnings when headphones take the sound away from the speakers

PREMIUM (one-time purchase, no subscription)
• No ads
• Full report with all checks, as a PDF you can share when you sell or buy a used phone
• Report history
• Automatic microphone check: the phone listens to its own speakers with its microphones and measures each speaker and the frequency response

FREQUENTLY ASKED QUESTIONS
How do I test my speakers? Open Speaker check and answer after each tone. You see how many speakers work.
Why does only one speaker play in the left / right test? On iPhone the left channel plays from the bottom speaker and the right channel from the earpiece at the top.
Can it get water out of the speaker? The 165 Hz tone can help push water out. It does not repair water damage.
Is my audio recorded? No. The microphone check analyzes the sound on the device and never records or sends it.

Languages: English, Turkish, German, Spanish, Portuguese, Japanese, French, Arabic, Ukrainian and Russian. To change the language, open iOS Settings, scroll to Speaker Test and choose Language.

Everything that was free stays free. Start at a low volume: very high or low tones can be uncomfortable. The water eject tone does not repair water damage. If your device was exposed to liquid, follow Apple's guidance.

Questions or feedback? Visit https://yunusgunduz.com/contact.php?lang=en

## Is Speaker Test safe?

Not enough ratings yet to assess Speaker Test.

## Is Speaker Test legit?

Speaker Test: Stereo Check appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for Speaker Test is 70 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 4 releases)

### 2.2.0 — 2026-10-15

Speaker Test now speaks 10 languages: English, Turkish, German, Spanish, Portuguese, Japanese, French, Arabic, Ukrainian and Russian.

To change the language, open iOS Settings, scroll to Speaker Test and choose Language.

### 2.1.0 — 2026-10-13

• Rebuilt for iPhone and iPad: faster and lighter
• New speaker check: test each speaker and see how many work
• Warning when headphones or Bluetooth are connected
• Premium: PDF report, history and automatic microphone check

### 1.0.1 — 2026-10-02

In this update:
• Optimized audio frequency engine and high-precision tone generation.
• Enhanced speaker diagnostic wizard and stereo testing accuracy.
• Smoother UI animations and improved decibel metering performance.
• General bug fixes and stability improvements.

### 1.0 — 2026-09-30

No release notes.

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All apps by Yunus Gunduz: https://appshunter.io/developer/1694137492

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-21.*