# PhaseChecker vs Sound Calibrator

The clearest difference is review sentiment: Sound Calibrator at 100% against PhaseChecker's 16%. Sound Calibrator also leads on price (Free vs $0.99) and iOS requirement (10.1 vs 14.1). On ads, in-app purchases and device support there is nothing between them.

Sound Calibrator is free to download; PhaseChecker costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | PhaseChecker | Sound Calibrator |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[2.0 (3 ratings)](https://appshunter.io/ios/app/phasechecker/id1160400348/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 15.8% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 43 months | — |
| Monetization | Paid | **Free** |
| Size | 1 MB | 2 MB |
| Requires iOS | 14.1 | **10.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rick Peacock](https://appshunter.io/developer/286052385) | [Turnkey Instruments Ltd](https://appshunter.io/developer/849010372) |

## What reviewers say

### PhaseChecker

[App page](https://appshunter.io/ios/app/phasechecker/id1160400348)

This utility app tests your sound system to ensure speakers are correctly wired and in-phase. It offers manual and automatic modes, with advanced waveform analysis for precise setup. Proper phasing is crucial for optimal bass response and stereo imaging.

**Highlights:** Speaker phase and polarity testing, Manual and automatic test modes, Microphone-based analysis, Waveform view for advanced users, In-app help and guidance, Audio output connection

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Sound Calibrator

[App page](https://appshunter.io/ios/app/sound-calibrator/id1187963778)

Calibrate your Turnkey idB Noise Monitor or iVibe using a 94 dB calibrator. This app reads data from your noise monitor and calibrates the instrument. Log in with your AirQWeb credentials to access your registered devices and begin the calibration process.

**Highlights:** Microphone calibration, Connects to Turnkey idB Noise Monitor, Connects to iVibe, Uses 94 dB calibrator, Reads instrument data, AirQWeb login integration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PhaseChecker free?

PhaseChecker costs $0.99, with no in-app purchases.

### Is Sound Calibrator free?

Sound Calibrator is free to download, with no in-app purchases.

### Do PhaseChecker or Sound Calibrator have ads?

Neither PhaseChecker nor Sound Calibrator shows ads.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*