# Geometry Calculator Plus vs Pythagoras Interactive

The clearest difference is price: Pythagoras Interactive at Free against Geometry Calculator Plus's $2.99. Pythagoras Interactive also leads on update cadence (every 2 weeks vs every 23 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Pythagoras Interactive is free to download; Geometry Calculator Plus costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Geometry Calculator Plus ships an update every 23 months, Pythagoras Interactive every 2 weeks. The most recent releases landed on October 12, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Geometry Calculator Plus | Pythagoras Interactive |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pythagoras-interactive/id6466731389/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 23 months | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 1 MB | 1 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Heng Jia Liang](https://appshunter.io/developer/1532000635) | [ALAN PETERSON](https://appshunter.io/developer/1436516782) |

## What reviewers say

### Geometry Calculator Plus

[App page](https://appshunter.io/ios/app/geometry-calculator-plus/id1631941395)

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

**In-app purchases:** none


### Pythagoras Interactive

[App page](https://appshunter.io/ios/app/pythagoras-interactive/id6466731389)

Explore the Pythagorean Theorem with an interactive visual tool. Adjust triangle legs to observe real-time changes in square areas and hypotenuse length. Distances are displayed in radical form when necessary.

**Highlights:** Interactive triangle manipulation, Visual representation of squares on sides, Real-time updates to hypotenuse and areas, Radical form for distances, Clear labeling of sides and areas

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

**In-app purchases:** none


## Frequently asked questions

### Is Geometry Calculator Plus free?

Geometry Calculator Plus costs $2.99, with no in-app purchases.

### Is Pythagoras Interactive free?

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

### Do Geometry Calculator Plus or Pythagoras Interactive have ads?

Neither Geometry Calculator Plus nor Pythagoras Interactive shows ads.

### Which is updated more often, Geometry Calculator Plus or Pythagoras Interactive?

Geometry Calculator Plus ships an update every 23 months, and Pythagoras Interactive every 2 weeks. Most recently, Geometry Calculator Plus was updated on October 12, 2026 and Pythagoras Interactive on September 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.*