# Graph³ vs iCalc Triangle Calculator Pro

The clearest difference is price: iCalc Triangle Calculator Pro at Free against Graph³'s $0.99. iCalc Triangle Calculator Pro also leads on in-app purchases (none vs 1). Graph³'s advantage is update cadence (every 3 weeks vs every 19 months) and chart position (#200 vs unranked). On ads, monetization model and device support there is nothing between them.

iCalc Triangle Calculator Pro is free to download; Graph³ costs $0.99 up front. Graph³ sells 1 one-off in-app purchase. iCalc Triangle Calculator Pro asks for nothing beyond the download.

Graph³ ships an update every 3 weeks, iCalc Triangle Calculator Pro every 19 months. The most recent releases landed on October 4, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Graph³ | iCalc Triangle Calculator Pro |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[3.6 (5 ratings)](https://appshunter.io/ios/app/icalc-triangle-calculator-pro/id1603009957/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 19 months |
| Monetization | Paid | Paid |
| Best chart rank | **#200** | — |
| Size | 10 MB | 4 MB |
| Requires iOS | **9.0** | 15.2 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Norbert Grieger](https://appshunter.io/developer/1437060665) | [Jake Elrod](https://appshunter.io/developer/365336355) |

## What reviewers say

### Graph³

[App page](https://appshunter.io/ios/app/graph/id1437807952)

**Currently charting:** #200 Top Paid · Education (US App Store)

Visualize mathematical functions in 2D and 3D with over 24 built-in functions. Automatically detect special points, customize settings for each function, and save your work. Ideal for students and math enthusiasts.

**Highlights:** 2D and 3D function display, Over 24 mathematical functions, Automatic detection of special points, Customizable function settings, Save and load scenes, Value table for function analysis

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3D Graph | $0.99 | one-time |


### iCalc Triangle Calculator Pro

[App page](https://appshunter.io/ios/app/icalc-triangle-calculator-pro/id1603009957)

Explore the fundamental properties of triangles with this interactive educational application. It allows users to delve into angles, area, sides, and perimeter, providing a hands-on approach to understanding geometric concepts.

**Highlights:** Triangle property exploration, Calculate angles, Calculate area, Calculate sides, Calculate perimeter, Interactive learning

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

**In-app purchases:** none


## Frequently asked questions

### Is Graph³ free?

Graph³ costs $0.99, and also offers in-app purchases.

### Is iCalc Triangle Calculator Pro free?

iCalc Triangle Calculator Pro is free to download, with no in-app purchases.

### Do Graph³ or iCalc Triangle Calculator Pro have ads?

Neither Graph³ nor iCalc Triangle Calculator Pro shows ads.

### Which is updated more often, Graph³ or iCalc Triangle Calculator Pro?

Graph³ ships an update every 3 weeks, and iCalc Triangle Calculator Pro every 19 months. Most recently, Graph³ was updated on October 4, 2026 and iCalc Triangle Calculator Pro on September 23, 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.*