# Graphing Calculator Plus AI vs SDSU Safe

The clearest difference is price: SDSU Safe at Free against Graphing Calculator Plus AI's $5.99. SDSU Safe also leads on in-app purchases (none vs 2). Graphing Calculator Plus AI's advantage is rating (4.6 vs 3.0) and ratings volume (12K vs 3). On ads, device support and iOS requirement there is nothing between them.

SDSU Safe is free to download; Graphing Calculator Plus AI costs $5.99 up front. Graphing Calculator Plus AI sells 2 one-off in-app purchases. SDSU Safe asks for nothing beyond the download.

Graphing Calculator Plus AI holds the better App Store score, 4.6 against 3.0. That said, the two scores are not equally well evidenced: Graphing Calculator Plus AI has 12K ratings behind it against 3, so its average is the more settled of the two.

Graphing Calculator Plus AI ships an update every 2 months, SDSU Safe every 12 months. The most recent releases landed on September 24, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | Graphing Calculator Plus AI | SDSU Safe |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | **[4.6 (12K ratings)](https://appshunter.io/ios/app/graphing-calculator-plus-ai/id1279565050/reviews)** | [3.0 (3 ratings)](https://appshunter.io/ios/app/sdsu-safe/id1635983530/reviews) |
| Number of ratings | **12K** | 3 |
| Positive reviews | 78.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 12 months |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#199** | — |
| Size | 13 MB | 23 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Incpt.Mobis](https://appshunter.io/developer/445261166) | [San Diego State University](https://appshunter.io/developer/389216694) |

## What reviewers say

### Graphing Calculator Plus AI

[App page](https://appshunter.io/ios/app/graphing-calculator-plus-ai/id1279565050)

**Currently charting:** #199 Top Paid · Education (US App Store)

This app serves as a powerful scientific graphing calculator, offering advanced mathematical functions and graphing capabilities. It includes a built-in AI assistant for math queries and a comprehensive user manual. Ideal for students and professionals needing complex calculations and visualizations.

**Highlights:** Scientific and graphing calculator, AI-powered math assistant, Complex number calculations, Equation solver, Unit converter, Matrix operations, Statistical analysis and regression

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 600 Math GPT Queries | $0.99 | one-time |
| 2000 Math GPT Queries | $2.99 | one-time |

**What reviewers like**

- 💰 Affordable alternative to physical calculators
- 🚀 Replicates TI-84 functionality well
- 👍 Convenient to have on a mobile device
- 🤖 Accurate calculations and results
- 📚 Helpful for math, statistics, and science courses

**What reviewers complain about**

- 🐛 Occasional graphing issues or inaccuracies
- 🔍 Cluttered or unintuitive interface in some areas
- 🔢 Difficulty exiting certain modes or functions
- 🔌 Concerns about using on exams due to restrictions

**Reported bugs**

- Syntax errors with certain mathematical expressions
- Incorrect results for some statistical functions
- Graphing issues with inequalities and piecewise functions

**Requested features**

- Add a 'Trace' function for graphing
- Improve list editing and manipulation capabilities
- Implement a 'history' or 'replay' feature for calculations
- Provide more customization options for the user interface


### SDSU Safe

[App page](https://appshunter.io/ios/app/sdsu-safe/id1635983530)

This official campus safety application provides students, faculty, and staff with enhanced security on university grounds. It offers emergency contact options, real-time location sharing with friends, incident reporting, and access to support resources and campus maps.

**Highlights:** Emergency contacts, Friend Walk location sharing, Report incidents, Support resources access, Campus map navigation, Safety notifications

**In-app purchases:** none


## Frequently asked questions

### Is Graphing Calculator Plus AI free?

Graphing Calculator Plus AI costs $5.99, and also offers in-app purchases.

### Is SDSU Safe free?

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

### Which has better reviews, Graphing Calculator Plus AI or SDSU Safe?

Graphing Calculator Plus AI is rated higher. Graphing Calculator Plus AI averages 4.6 out of 5 from 12K ratings, while SDSU Safe averages 3.0 from 3 ratings.

### Do Graphing Calculator Plus AI or SDSU Safe have ads?

Neither Graphing Calculator Plus AI nor SDSU Safe shows ads.

### Which is updated more often, Graphing Calculator Plus AI or SDSU Safe?

Graphing Calculator Plus AI ships an update every 2 months, and SDSU Safe every 12 months. Most recently, Graphing Calculator Plus AI was updated on September 24, 2026 and SDSU Safe on June 5, 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.*