# SIU vs GeoGebra Graphing Calculator

SIU and GeoGebra Graphing Calculator both sit at 4.2 stars, but that hides the real split: 54% of GeoGebra Graphing Calculator's written reviews are positive against 0% of SIU's. GeoGebra Graphing Calculator also leads on update cadence (monthly vs every 4 months) and ratings volume (284 vs 30). SIU's advantage is iOS requirement (11.0 vs 16.0). On price, rating, 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.

On the App Store both sit at effectively the same score — 4.2 for SIU against 4.3 for GeoGebra Graphing Calculator. That said, the two scores are not equally well evidenced: GeoGebra Graphing Calculator has 284 ratings behind it against 30, so its average is the more settled of the two. Written reviews are what separate them: 0% of SIU's written reviews are positive against 54% of GeoGebra Graphing Calculator's.

SIU ships an update every 4 months, GeoGebra Graphing Calculator monthly. The most recent releases landed on November 1, 2026 and November 11, 2026 respectively.

## The numbers

| Metric | SIU | GeoGebra Graphing Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (30 ratings)](https://appshunter.io/ios/app/siu/id784586838/reviews) | **[4.3 (284 ratings)](https://appshunter.io/ios/app/geogebra-graphing-calculator/id1146717204/reviews)** |
| Number of ratings | 30 | **284** |
| Positive reviews | 0.0% of reviews | **53.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | Free | Free |
| Size | 124 MB | 104 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Netvalle IOS](https://appshunter.io/developer/784586843) | [GeoGebra GmbH](https://appshunter.io/developer/1580697096) |

## What reviewers say

### SIU

[App page](https://appshunter.io/ios/app/siu/id784586838)

This tool simplifies university life by providing access to academic information, class schedules, grades, payment plans, and direct communication with university departments. Optimize your time and academic performance with this all-in-one solution.

**Highlights:** Academic information access, Class schedule review, Grade tracking, Payment plan management, Departmental inquiries and suggestions, All-in-one university management

**Features:** macOS Compatibility

**In-app purchases:** none


### GeoGebra Graphing Calculator

[App page](https://appshunter.io/ios/app/geogebra-graphing-calculator/id1146717204)

This application allows users to easily graph functions and equations, identify key points, and share their work. It's a powerful tool for learning math and science, offering features like regression and access to learning activities.

**Highlights:** Graph functions, polar and parametric curves, Interactive transformations with sliders, Find special function points (roots, min, max, intersections), Perform regression with best-fit lines, Search for learning activities, Save and share graphs

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

**In-app purchases:** none

**What reviewers like**

- 📊 Powerful graphing and visualization capabilities
- 💰 Completely free with no advertisements
- 🎓 Excellent educational tool for mathematics students
- ⚡ Fast and responsive for most functions
- 🎨 Clean and intuitive user interface design

**What reviewers complain about**

- 🐛 Frequent app crashes and unexpected closures
- 💾 Cannot save work or projects persistently
- 📱 Mobile version lacks features from desktop version
- ⌨️ Difficult keyboard input for complex expressions
- 🔄 Work lost when switching between apps

**Reported bugs**

- App crashes when entering complex equations
- Graphs disappear when touched or zoomed
- Functions deleted when app moves to background
- Exam mode locks device for 8 hours
- Cannot paste content on mobile version

**Requested features**

- Save and load functionality for projects
- User account login and cloud storage
- 3D graphing capabilities
- Fraction input support
- Radian mode for trigonometric functions


## Frequently asked questions

### Is SIU free?

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

### Is GeoGebra Graphing Calculator free?

GeoGebra Graphing Calculator is free to download, with no in-app purchases.

### Which has better reviews, SIU or GeoGebra Graphing Calculator?

GeoGebra Graphing Calculator is rated higher. SIU averages 4.2 out of 5 from 30 ratings, while GeoGebra Graphing Calculator averages 4.3 from 284 ratings.

### Do SIU or GeoGebra Graphing Calculator have ads?

Neither SIU nor GeoGebra Graphing Calculator shows ads.

### Which is updated more often, SIU or GeoGebra Graphing Calculator?

SIU ships an update every 4 months, and GeoGebra Graphing Calculator monthly. Most recently, SIU was updated on November 1, 2026 and GeoGebra Graphing Calculator on November 11, 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.*