# APM Sweep vs 852 Player Plus

The clearest difference is in-app purchases: APM Sweep at none against 852 Player Plus's 11. 852 Player Plus's advantage is update cadence (every 4 months vs every 10 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 852 Player Plus sells 11 one-off in-app purchases. APM Sweep asks for nothing beyond the download.

APM Sweep ships an update every 10 months, 852 Player Plus every 4 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | APM Sweep | 852 Player Plus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/apm-sweep/id1492480271/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 4 months** |
| Monetization | Free | — |
| Size | 35 MB | 79 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Lorenzo Rizzi](https://appshunter.io/developer/856070642) | [SYQEL INC](https://appshunter.io/developer/1671066431) |

## What reviewers say

### APM Sweep

[App page](https://appshunter.io/ios/app/apm-sweep/id1492480271)

This application helps measure and analyze a room's acoustical performance, including reverberation time and clarity. It suggests materials to improve sound quality and allows for saving, loading, and exporting results in common spreadsheet formats. PDF reports with photos can also be generated.

**Highlights:** Acoustical performance measurement, Reverberation time and clarity analysis, Material recommendation for improvement, Save, load, and export results, Generate PDF reports with photos, Tutorial slideshow for guidance

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

**In-app purchases:** none


### 852 Player Plus

[App page](https://appshunter.io/ios/app/852-player-plus/id6739763301)

**Features:** Family Sharing, Siri integration

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited 852 Hz retuning forever. | $19.99 | one-time |
| Frequency - 174 Hz | $19.99 | one-time |
| Frequency - 396 Hz | $19.99 | one-time |
| Frequency - 528 Hz | $19.99 | one-time |
| Frequency - 417 Hz | $19.99 | one-time |
| Frequency - 432 Hz | $19.99 | one-time |
| Frequency - 285 Hz | $19.99 | one-time |
| Frequency - 741 Hz | $19.99 | one-time |
| Frequency - 963 Hz | $19.99 | one-time |
| Frequency - 639 Hz | $19.99 | one-time |
| Solfeggio Core Bundle | $59.99 | one-time |


## Frequently asked questions

### Is APM Sweep free?

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

### Is 852 Player Plus free?

852 Player Plus is free to download, with in-app purchases available.

### Do APM Sweep or 852 Player Plus have ads?

Neither APM Sweep nor 852 Player Plus shows ads.

### Which is updated more often, APM Sweep or 852 Player Plus?

APM Sweep ships an update every 10 months, and 852 Player Plus every 4 months. Most recently, APM Sweep was updated on November 3, 2026 and 852 Player Plus on October 30, 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.*