# GraphNCalc83 vs HP Prime Pro

The clearest difference is review sentiment: GraphNCalc83 at 98% against HP Prime Pro's 30%. GraphNCalc83 also leads on price ($12.99 vs $24.99) and rating (4.9 vs 3.2). HP Prime Pro's advantage is iOS requirement (12.0 vs 15.6). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

GraphNCalc83 costs $12.99 and HP Prime Pro $24.99 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 3.2. That said, the two scores are not equally well evidenced: GraphNCalc83 has 4K ratings behind it against 81, so its average is the more settled of the two. Written reviews point the same way: 98% of GraphNCalc83's written reviews are positive against 30% of HP Prime Pro's.

GraphNCalc83 ships an update every 5 months, HP Prime Pro every 6 months. The most recent releases landed on September 28, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | GraphNCalc83 | HP Prime Pro |
| --- | --- | --- |
| Price | **$12.99** | $24.99 |
| Rating | **[4.9 (4K ratings)](https://appshunter.io/ios/app/graphncalc83/id744882019/reviews)** | [3.2 (81 ratings)](https://appshunter.io/ios/app/hp-prime-pro/id1064702857/reviews) |
| Number of ratings | **4K** | 81 |
| Positive reviews | **98.1% of reviews** | 30.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 6 months |
| Monetization | Paid | Paid |
| Best chart rank | **#55** | — |
| Size | 10 MB | 55 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ernest Brock](https://appshunter.io/developer/289555912) | [MORAVIA Consulting, spol. s r.o.](https://appshunter.io/developer/1673101600) |

## What reviewers say

### GraphNCalc83

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

**Currently charting:** #55 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)


### HP Prime Pro

[App page](https://appshunter.io/ios/app/hp-prime-pro/id1064702857)

This app provides a comprehensive graphing calculator experience on your mobile device, mirroring the functionality of a physical HP Prime calculator. It's designed for students to solve complex problems, explore mathematical concepts, and utilize advanced features for various science and engineering fields.

**Highlights:** Advanced graphing of equations and inequalities, 3D function plotting, Units and base conversions, Full-featured programming language, Dynamic Geometry, Statistics, Finance, Spreadsheet apps, Context-sensitive help, Equation solving (single and systems), Computer Algebra System (CAS)

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- ✅ Accurate replication of HP Prime calculator functionality
- 📱 Convenient portable calculator without carrying physical device
- 🎨 High-resolution display better than physical calculator
- 🔄 Connectivity with HP Connectivity Kit for file transfer
- 📊 Powerful CAS and graphing capabilities

**What reviewers complain about**

- 🐛 Outdated firmware (2021 vs 2025 on real device)
- 📏 Poor screen scaling and UI sizing issues
- 🖥️ Does not fill modern iPhone/iPad screens properly
- ⏱️ No updates in 4+ years despite hardware updates
- 🔌 No multitasking/split-screen support

**Reported bugs**

- CAS mode crashes (especially with solve, integrals, summation functions)
- App crashes on startup intermittently
- Settings revert after app restart (RPN mode, number format, font size)
- Keyboard not visible on some devices (black area instead)
- Touch input issues and delayed key responses

**Requested features**

- Update firmware to match latest HP Prime G2 (2025)
- Implement full-screen UI optimization for modern devices
- Add multitasking/split-view support for iPad
- Support native iOS keyboard for programming
- Enable system keyboard support (26 keys)


## Frequently asked questions

### Is GraphNCalc83 free?

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

### Is HP Prime Pro free?

HP Prime Pro costs $24.99, with no in-app purchases.

### Which has better reviews, GraphNCalc83 or HP Prime Pro?

GraphNCalc83 is rated higher. GraphNCalc83 averages 4.9 out of 5 from 4K ratings, while HP Prime Pro averages 3.2 from 81 ratings.

### Do GraphNCalc83 or HP Prime Pro have ads?

Neither GraphNCalc83 nor HP Prime Pro shows ads.

### Which is updated more often, GraphNCalc83 or HP Prime Pro?

GraphNCalc83 ships an update every 5 months, and HP Prime Pro every 6 months. Most recently, GraphNCalc83 was updated on September 28, 2026 and HP Prime Pro on September 25, 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.*