# Polarity pulses — Speaker Polarity Tester

> Speaker Polarity Tester (iPhone/iPad app by 小慧 罗.)

- Source: https://appshunter.io/ios/app/polarity-pulses/id6770177079 (this page in markdown: same URL + `.md`)
- Developer: [小慧 罗](https://appshunter.io/developer/1806960019)
- Category: Utilities, Music
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 12 · 18 MB
- Languages: Chinese (Simplified, China)
- Released: 2026-05-25
- Data updated: 2026-06-21
- User reviews in markdown: https://appshunter.io/ios/app/polarity-pulses/id6770177079/reviews.md

## What is Polarity pulses?

Reversed speaker phase kills your sound: weak bass, floating soundstage, lost stereo imaging—even golden ears struggle to spot it.
Speaker Phase Polarity Check is the essential tool for audio installation & tuning. No expensive gear needed—use your phone’s mic to quickly verify speaker polarity & phase alignment for car, home, stage, line array & studio monitors.
Key Features
• Audio Capture: Record test tones via your phone microphone
• Local Analysis: Offline processing, clear in-phase/reversed result
• Adjustable Parameters: Adapt to different drivers, enclosures & setups
• All Scenes: Car audio, home theater, stage PA, studio monitors
Privacy & Permissions
Only Microphone access required for audio sampling. All data processed locally—no uploads to servers. Your privacy is protected.
Who It’s For
Car audio installers, sound engineers, live sound technicians, audiophiles & shop pros. Eliminate wiring mistakes & cut troubleshooting time.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

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



## Version history (last 2 releases)

### 1.3 — 2026-05-27

1.Added 180° screen flip feature to the home page
2.Added phone placement instructions on the Settings page
3.Fixed restore purchase failure issue

### 1.2 — 2026-05-25

No release notes.

## More apps by 小慧 罗

- [CarDSP调音助手](https://appshunter.io/ios/app/cardsp/id6768007393)

All apps by 小慧 罗: https://appshunter.io/developer/1806960019

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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 2026-06-21.*