# 象棋残局破解 vs Probability Lab

The clearest difference is in-app purchases: 象棋残局破解 at none against Probability Lab's 1. 象棋残局破解 also leads on iOS requirement (17.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Probability Lab sells 1 one-off in-app purchase. 象棋残局破解 asks for nothing beyond the download.

## The numbers

| Metric | 象棋残局破解 | Probability Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/probability-lab/id6794881706/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Monetization | — | Free |
| Size | 14 MB | 4 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [琳 李](https://appshunter.io/developer/1503970894) | [Jin Zhang](https://appshunter.io/developer/1830436291) |

## What reviewers say

### 象棋残局破解

[App page](https://appshunter.io/ios/app/id6794621706)

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

**In-app purchases:** none


### Probability Lab

[App page](https://appshunter.io/ios/app/probability-lab/id6794881706)

Explore probability distributions and statistical concepts with an interactive toolkit. Instantly compute functions and visualize distributions with real-time parameter adjustments. Ideal for students, educators, and learners of probability and statistics.

**Highlights:** 15+ continuous and discrete probability distributions, Compute PDF, PMF, CDF, inverse CDF, Interactive graphs with real-time parameter adjustment, Smooth, high-quality visualizations, Designed for students and educators

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Probability Lab Pro | $9.99 | one-time |


## Frequently asked questions

### Is 象棋残局破解 free?

象棋残局破解 is free to download, with no in-app purchases.

### Is Probability Lab free?

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

### Do 象棋残局破解 or Probability Lab have ads?

Neither 象棋残局破解 nor Probability Lab 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.*