# PhaseChecker vs Polarity pulses

The clearest difference is price: Polarity pulses at Free against PhaseChecker's $0.99. Polarity pulses also leads on update cadence (every 2 days vs every 43 months) and iOS requirement (12 vs 14.1). PhaseChecker's advantage is in-app purchases (none vs 1). On ads and device support there is nothing between them.

Polarity pulses is free to download; PhaseChecker costs $0.99 up front. Polarity pulses sells 1 one-off in-app purchase. PhaseChecker asks for nothing beyond the download.

PhaseChecker ships an update every 43 months, Polarity pulses every 2 days. The most recent releases landed on October 21, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | PhaseChecker | Polarity pulses |
| --- | --- | --- |
| 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 | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 43 months | **Every 2 days** |
| Monetization | Paid | — |
| Size | 1 MB | 18 MB |
| Requires iOS | 14.1 | **12** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rick Peacock](https://appshunter.io/developer/286052385) | [小慧 罗](https://appshunter.io/developer/1806960019) |

## 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


### Polarity pulses

[App page](https://appshunter.io/ios/app/polarity-pulses/id6770177079)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Full Access | $1.99 | one-time |


## Frequently asked questions

### Is PhaseChecker free?

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

### Is Polarity pulses free?

Polarity pulses is free to download, with in-app purchases available.

### Do PhaseChecker or Polarity pulses have ads?

Neither PhaseChecker nor Polarity pulses shows ads.

### Which is updated more often, PhaseChecker or Polarity pulses?

PhaseChecker ships an update every 43 months, and Polarity pulses every 2 days. Most recently, PhaseChecker was updated on October 21, 2026 and Polarity pulses on October 13, 2026.

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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.*