# PhaseChecker vs Impulso Architect

The clearest difference is price: Impulso Architect at Free against PhaseChecker's $0.99. Impulso Architect also leads on update cadence (every 4 months vs every 43 months) and iOS requirement (12.0 vs 14.1). PhaseChecker's advantage is rating (2.0 vs 1.0) and review sentiment (16% vs 0%). On ratings volume, ads, in-app purchases and device support there is nothing between them.

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

PhaseChecker holds the better App Store score, 2.0 against 1.0. Both are backed by a comparable volume of ratings — 3 and 2 respectively. Written reviews point the same way: 16% of PhaseChecker's written reviews are positive against 0% of Impulso Architect's.

PhaseChecker ships an update every 43 months, Impulso Architect every 4 months. Both last shipped on November 2, 2026.

## The numbers

| Metric | PhaseChecker | Impulso Architect |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[2.0 (3 ratings)](https://appshunter.io/ios/app/phasechecker/id1160400348/reviews)** | [1.0 (2 ratings)](https://appshunter.io/ios/app/impulso-architect/id1200093963/reviews) |
| Number of ratings | **3** | 2 |
| Positive reviews | **15.8% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 43 months | **Every 4 months** |
| Monetization | Paid | **Free** |
| Size | 1 MB | 25 MB |
| Requires iOS | 14.1 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rick Peacock](https://appshunter.io/developer/286052385) | [Artnovion LDA](https://appshunter.io/developer/991324136) |

## 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


### Impulso Architect

[App page](https://appshunter.io/ios/app/impulso-architect/id1200093963)

Measure the acoustic response of your room using your iPhone. Analyze reverberation time in key octave bands and simulate how to achieve target acoustics with specific product catalogs. Supports internal or external microphones and impulse sources.

**Highlights:** Acoustic response measurement, Reverberation time analysis (500Hz-2kHz), Room dimension input, Target RT calculation, Product catalog simulation, Internal/external microphone support

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is PhaseChecker free?

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

### Is Impulso Architect free?

Impulso Architect is free to download, with no in-app purchases.

### Which has better reviews, PhaseChecker or Impulso Architect?

PhaseChecker is rated higher. PhaseChecker averages 2.0 out of 5 from 3 ratings, while Impulso Architect averages 1.0 from 2 ratings.

### Do PhaseChecker or Impulso Architect have ads?

Neither PhaseChecker nor Impulso Architect shows ads.

### Which is updated more often, PhaseChecker or Impulso Architect?

PhaseChecker ships an update every 43 months, and Impulso Architect every 4 months. Most recently, PhaseChecker was updated on November 2, 2026 and Impulso Architect on November 2, 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.*