# M12PRO vs Polarity pulses

The clearest difference is in-app purchases: M12PRO at none against Polarity pulses's 1. Polarity pulses's advantage is iOS requirement (12 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. Polarity pulses sells 1 one-off in-app purchase. M12PRO asks for nothing beyond the download.

## The numbers

| Metric | M12PRO | Polarity pulses |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/polarity-pulses/id6770177079/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 days |
| Monetization | — | Free with in-app purchases |
| Size | 5 MB | 18 MB |
| Requires iOS | 15.6 | **12** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Guangzhou Coolpower Technology Co., Ltd.](https://appshunter.io/developer/1152993269) | [小慧 罗](https://appshunter.io/developer/1806960019) |

## What reviewers say

### M12PRO

[App page](https://appshunter.io/ios/app/m12pro/id6757590706)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is M12PRO free?

M12PRO is free to download, with no in-app purchases.

### Is Polarity pulses free?

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

### Do M12PRO or Polarity pulses have ads?

Neither M12PRO nor Polarity pulses shows ads.

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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.*