# Polarity pulses vs PureDose

The clearest difference is update cadence: Polarity pulses at every 2 days against PureDose's every 2 weeks. Polarity pulses also leads on device support (3 vs 1) and iOS requirement (12 vs 18.5). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Polarity pulses sells 1 one-off in-app purchase and PureDose sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Polarity pulses ships an update every 2 days, PureDose every 2 weeks. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Polarity pulses | PureDose |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/polarity-pulses/id6770177079/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 18 MB | 8 MB |
| Requires iOS | **12** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [小慧 罗](https://appshunter.io/developer/1806960019) | [春建 王](https://appshunter.io/developer/1893808279) |

## What reviewers say

### Polarity pulses

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

This utility app helps audio professionals and enthusiasts quickly test speaker polarity and phase alignment using a phone's microphone. It provides offline analysis for various audio setups, from car stereos to studio monitors, eliminating wiring mistakes and troubleshooting time.

**Highlights:** Audio capture via phone microphone, Offline local analysis, Adjustable parameters for different drivers, Supports car audio, home theater, stage PA, studio monitors, Eliminates wiring mistakes, Reduces troubleshooting time

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

**In-app purchases (1)**

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


### PureDose

[App page](https://appshunter.io/ios/app/puredose/id6790829334)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buyout Unlock | $4.99 | one-time |


## Frequently asked questions

### Is Polarity pulses free?

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

### Is PureDose free?

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

### Do Polarity pulses or PureDose have ads?

Neither Polarity pulses nor PureDose shows ads.

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

Polarity pulses ships an update every 2 days, and PureDose every 2 weeks. Most recently, Polarity pulses was updated on October 31, 2026 and PureDose on November 6, 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.*