# MountieApp vs GraphNCalc83

The clearest difference is price: MountieApp at Free against GraphNCalc83's $12.99. GraphNCalc83's advantage is review sentiment (98% vs 53%) and rating (4.9 vs 2.8). On ads, in-app purchases and device support there is nothing between them.

MountieApp is free to download; GraphNCalc83 costs $12.99 up front. Neither carries in-app purchases, so what you see is what you pay.

GraphNCalc83 holds the better App Store score, 4.9 against 2.8. That said, the two scores are not equally well evidenced: GraphNCalc83 has 4K ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 53% of MountieApp's written reviews are positive against 98% of GraphNCalc83's.

MountieApp ships an update every 10 months, GraphNCalc83 every 5 months. The most recent releases landed on September 18, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | MountieApp | GraphNCalc83 |
| --- | --- | --- |
| Price | **Free** | $12.99 |
| Rating | [2.8 (6 ratings)](https://appshunter.io/ios/app/mountieapp/id529308954/reviews) | **[4.9 (4K ratings)](https://appshunter.io/ios/app/graphncalc83/id744882019/reviews)** |
| Number of ratings | 6 | **4K** |
| Positive reviews | 53.2% of reviews | **98.1% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 5 months** |
| Monetization | **Free** | Paid |
| Best chart rank | — | **#27** |
| Size | 23 MB | 10 MB |
| Requires iOS | 18.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mt. San Antonio College](https://appshunter.io/developer/529308957) | [Ernest Brock](https://appshunter.io/developer/289555912) |

## What reviewers say

### MountieApp

[App page](https://appshunter.io/ios/app/mountieapp/id529308954)

Access essential campus information for Mt. SAC, including faculty contacts, a campus map, event listings, and college news. Stay updated on your grades, class schedule, and registration details, all from your mobile device.

**Highlights:** Faculty and staff directory, Interactive campus map, College event listings, Campus news updates, Student grades access, Daily class schedule, Course catalog access

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Convenient access to student info
- 🗺️ Helpful campus map navigation
- 🗓️ Easy access to class schedules
- ✅ Streamlined course registration
- 💰 Quick fee payment access

**What reviewers complain about**

- ❌ Frequent login issues
- ⚪ White screen on launch
- 🔄 Constant re-login required
- 📉 Redirects to website not mobile-friendly
- 🐌 Slow performance

**Reported bugs**

- App crashes on login
- White screen upon opening
- Kicked out after sign-in attempt
- Not supported with iOS 18 update
- App crashes when selecting items

**Requested features**

- Stay logged in feature
- In-app course catalog search
- Add career/job opportunities tab
- Save login information
- Email access within the app


### GraphNCalc83

[App page](https://appshunter.io/ios/app/graphncalc83/id744882019)

**Currently charting:** #27 Top Paid · Education (US App Store)

This app offers a powerful graphing calculator experience with touch-based input for enhanced interaction. It supports natural textbook notation, advanced math functions, and various plotting capabilities.  Users can also utilize its programming features and built-in tools like unit conversion and a periodic table.

**Highlights:** Touch-based graphing and editing, Natural textbook notation input, Advanced math and statistical functions, Parametric, polar, and f(x,y) equation graphing, BASIC programming with fast execution, Unit converter and physical constants, Interactive periodic table

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

**In-app purchases:** none

**What reviewers like**

- 👍 Familiar TI-83/84 calculator interface
- 🚀 Powerful and feature-rich
- 💡 Touchscreen enhancements like zooming and tracing
- 👍 Convenient to have a graphing calculator on your phone
- 👍 Frequent updates and great developer support

**What reviewers complain about**

- 🐛 Occasional issues with graph rendering and zooming
- ⚠️ Not allowed to use on tests/exams like physical calculators

**Reported bugs**

- Occasional crashes or freezes
- Inconsistent behavior when scrolling through calculation history

**Requested features**

- Dark mode or customizable themes
- More advanced programming and scripting capabilities
- Support for additional calculator models (e.g., TI-89)


## Frequently asked questions

### Is MountieApp free?

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

### Is GraphNCalc83 free?

GraphNCalc83 costs $12.99, with no in-app purchases.

### Which has better reviews, MountieApp or GraphNCalc83?

GraphNCalc83 is rated higher. MountieApp averages 2.8 out of 5 from 6 ratings, while GraphNCalc83 averages 4.9 from 4K ratings.

### Do MountieApp or GraphNCalc83 have ads?

Neither MountieApp nor GraphNCalc83 shows ads.

### Which is updated more often, MountieApp or GraphNCalc83?

MountieApp ships an update every 10 months, and GraphNCalc83 every 5 months. Most recently, MountieApp was updated on September 18, 2026 and GraphNCalc83 on September 22, 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.*