# PhaseChecker vs Didgeridoo Score

The clearest difference is price: Didgeridoo Score at Free against PhaseChecker's $0.99. Didgeridoo Score also leads on update cadence (fortnightly vs every 43 months). PhaseChecker's advantage is ads (none vs shown). On in-app purchases, device support and iOS requirement there is nothing between them.

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

PhaseChecker ships an update every 43 months, Didgeridoo Score fortnightly. The most recent releases landed on October 4, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | PhaseChecker | Didgeridoo Score |
| --- | --- | --- |
| 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 | No |
| Ads | **No** | Yes |
| Update frequency | Every 43 months | **Fortnightly** |
| Monetization | Paid | — |
| Size | 1 MB | 36 MB |
| Requires iOS | **14.1** | 15.8.3 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rick Peacock](https://appshunter.io/developer/286052385) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## 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


### Didgeridoo Score

[App page](https://appshunter.io/ios/app/didgeridoo-score/id6739462226)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PhaseChecker free?

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

### Is Didgeridoo Score free?

Didgeridoo Score is free to download, with no in-app purchases.

### Do PhaseChecker or Didgeridoo Score have ads?

Didgeridoo Score shows ads; PhaseChecker does not.

### Which is updated more often, PhaseChecker or Didgeridoo Score?

PhaseChecker ships an update every 43 months, and Didgeridoo Score fortnightly. Most recently, PhaseChecker was updated on October 4, 2026 and Didgeridoo Score on October 9, 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.*