# Probability Toolkit vs 2D Graphing School Edition

The clearest difference is chart position: 2D Graphing School Edition at #197 against Probability Toolkit's unranked. 2D Graphing School Edition also leads on device support (4 vs 1). Probability Toolkit's advantage is price ($1.99 vs $2.99) and iOS requirement (12.0 vs 15.0). On update cadence, ads and in-app purchases there is nothing between them.

Probability Toolkit costs $1.99 and 2D Graphing School Edition $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 10 months. The most recent releases landed on May 17, 2026 and August 20, 2026 respectively.

## The numbers

| Metric | Probability Toolkit | 2D Graphing School Edition |
| --- | --- | --- |
| Price | **$1.99** | $2.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/2d-graphing-school-edition/id1228380128/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | Every 10 months |
| Monetization | — | Paid |
| Best chart rank | — | **#197** |
| Size | 41 MB | 3 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Ventura Educational Systems](https://appshunter.io/developer/371324172) | [fishdog.net](https://appshunter.io/developer/337519299) |

## What reviewers say

### Probability Toolkit

[App page](https://appshunter.io/ios/app/probability-toolkit/id652216774)

**Features:** macOS Compatibility

**In-app purchases:** none


### 2D Graphing School Edition

[App page](https://appshunter.io/ios/app/2d-graphing-school-edition/id1228380128)

**Currently charting:** #197 Top Paid · Education (US App Store)

This app helps math teachers demonstrate graphing concepts and allows students to verify calculations. It offers tools for manipulating points, reflecting shapes, and displaying coordinates, angles, and line lengths.

**Highlights:** Demonstrate graphing concepts, Verify angles and line calculations, Manipulate points and shapes, Display coordinates and angles, Reposition directrix and focus

**In-app purchases:** none


## Frequently asked questions

### Is Probability Toolkit free?

Probability Toolkit costs $1.99, with no in-app purchases.

### Is 2D Graphing School Edition free?

2D Graphing School Edition costs $2.99, with no in-app purchases.

### Do Probability Toolkit or 2D Graphing School Edition have ads?

Neither Probability Toolkit nor 2D Graphing School Edition shows ads.

### Which is updated more often, Probability Toolkit or 2D Graphing School Edition?

Probability Toolkit ships an update every 10 months, and 2D Graphing School Edition every 10 months. Most recently, Probability Toolkit was updated on May 17, 2026 and 2D Graphing School Edition on August 20, 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.*