# 8 Queens Performance vs Stocks PM

The clearest difference is in-app purchases: 8 Queens Performance at none against Stocks PM's 1. 8 Queens Performance also leads on device support (4 vs 2) and iOS requirement (13.0 vs 26.0). Stocks PM's advantage is ads (none vs shown). On price and update cadence there is nothing between them.

Both are free to download. Stocks PM sells 1 in-app purchase, starting at $3.99 per month. 8 Queens Performance asks for nothing beyond the download.

8 Queens Performance ships an update weekly, Stocks PM every 4 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | 8 Queens Performance | Stocks PM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (14 ratings)](https://appshunter.io/ios/app/8-queens-performance/id1621191695/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | Ad-supported | — |
| Size | 35 MB | 11 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Laszlo Polszter](https://appshunter.io/developer/1621192207) | [AppAiTech LLC](https://appshunter.io/developer/1876710357) |

## What reviewers say

### 8 Queens Performance

[App page](https://appshunter.io/ios/app/8-queens-performance/id1621191695)

This app measures your mobile device's CPU performance by solving the classic Eight Queens chess puzzle. It calculates the time taken to find all 92 solutions on an 8x8 chessboard, providing a benchmark for your phone's speed.

**Highlights:** CPU performance metering, Eight Queens chess problem solver, Measures time to find 92 solutions, Visual CPU performance indicator, Benchmark for mobile speed

**In-app purchases:** none


### Stocks PM

[App page](https://appshunter.io/ios/app/stocks-pm/id6759076402)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $3.99 | per month |


## Frequently asked questions

### Is 8 Queens Performance free?

8 Queens Performance is free to download, with no in-app purchases.

### Is Stocks PM free?

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

### Do 8 Queens Performance or Stocks PM have ads?

8 Queens Performance shows ads; Stocks PM does not.

### Which is updated more often, 8 Queens Performance or Stocks PM?

8 Queens Performance ships an update weekly, and Stocks PM every 4 days. Most recently, 8 Queens Performance was updated on October 24, 2026 and Stocks PM on October 24, 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.*