# Vector Grapher vs iCalc Triangle Calculator Pro

The clearest difference is rating: Vector Grapher at 4.4 against iCalc Triangle Calculator Pro's 3.6. Vector Grapher also leads on monetization model (free vs paid) and update cadence (every 4 months vs every 19 months). iCalc Triangle Calculator Pro's advantage is review sentiment (100% vs 75%). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Vector Grapher holds the better App Store score, 4.4 against 3.6. Both are backed by a comparable volume of ratings — 9 and 5 respectively. Written reviews complicate that: 75% of Vector Grapher's written reviews are positive against 100% of iCalc Triangle Calculator Pro's, so the app with the better star average is not the one people write more warmly about.

Vector Grapher ships an update every 4 months, iCalc Triangle Calculator Pro every 19 months. The most recent releases landed on June 5, 2026 and August 13, 2026 respectively.

## The numbers

| Metric | Vector Grapher | iCalc Triangle Calculator Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (9 ratings)](https://appshunter.io/ios/app/vector-grapher/id512395731/reviews)** | [3.6 (5 ratings)](https://appshunter.io/ios/app/icalc-triangle-calculator-pro/id1603009957/reviews) |
| Number of ratings | **9** | 5 |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 19 months |
| Monetization | **Free** | Paid |
| Size | 1 MB | 4 MB |
| Requires iOS | **6.0** | 15.2 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Adam Evans](https://appshunter.io/developer/1342038151) | [Jake Elrod](https://appshunter.io/developer/365336355) |

## What reviewers say

### Vector Grapher

[App page](https://appshunter.io/ios/app/vector-grapher/id512395731)

Visualize and plot vectors in 3D space for educational purposes. This utility helps in understanding vector modeling and graphical representation in a clear, visual manner.

**Highlights:** 3D vector modeling, Vector plotting, Visual illustration, Educational tool, Interactive graphing

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 Vector Grapher free?

Vector Grapher is free to download, with no in-app purchases.

### Is iCalc Triangle Calculator Pro free?

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

### Which has better reviews, Vector Grapher or iCalc Triangle Calculator Pro?

Vector Grapher is rated higher. Vector Grapher averages 4.4 out of 5 from 9 ratings, while iCalc Triangle Calculator Pro averages 3.6 from 5 ratings.

### Do Vector Grapher or iCalc Triangle Calculator Pro have ads?

Neither Vector Grapher nor iCalc Triangle Calculator Pro shows ads.

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

Vector Grapher ships an update every 4 months, and iCalc Triangle Calculator Pro every 19 months. Most recently, Vector Grapher was updated on June 5, 2026 and iCalc Triangle Calculator Pro on August 13, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*