# GraphNCalc84 vs Ruby Compiler

The clearest difference is price: Ruby Compiler at Free against GraphNCalc84's $9.99. GraphNCalc84's advantage is update cadence (fortnightly vs every 2 months) and chart position (#178 vs unranked). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Ruby Compiler is free to download; GraphNCalc84 costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

GraphNCalc84 ships an update fortnightly, Ruby Compiler every 2 months. The most recent releases landed on October 6, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | GraphNCalc84 | Ruby Compiler |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/graphncalc84-for-ti-84-plus/id1434568484/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 39.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Paid | — |
| Best chart rank | **#178** | — |
| Size | 41 MB | 28 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Di Venisco UG (haftungsbeschrankt)](https://appshunter.io/developer/1449451480) | [OnePercent](https://appshunter.io/developer/1536020418) |

## What reviewers say

### GraphNCalc84

[App page](https://appshunter.io/ios/app/graphncalc84-for-ti-84-plus/id1434568484)

**Currently charting:** #178 Top Paid · Education (US App Store)

This app provides a comprehensive graphing and scientific calculator experience on your mobile device. It allows you to graph multiple functions, solve equations, perform statistical analysis, and work with matrices, all with a familiar interface. Ideal for students and anyone needing advanced calculation capabilities on the go.

**Highlights:** Graph multiple functions with different colors, Solve equations and find integrals, Perform advanced scientific calculations, Work with matrices and solve linear systems, Conduct statistical analysis and regressions, Enter calculations in natural textbook format

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

**In-app purchases:** none

**What reviewers like**

- 👍 Great replacement for TI-84
- 🚀 Faster graphing than physical calculator
- 💡 Useful for math/calculus classes
- 👍 User-friendly interface
- 👍 Affordable alternative to expensive calculators

**What reviewers complain about**

- 🐛 Cursor/input issues (glitchy, jumps around)
- 🐛 Crashes/freezes frequently
- 🐛 Missing key functions (stats, distributions, etc.)
- 🐛 Inaccurate answers to simple problems
- 🐛 Lacks features compared to physical TI-84

**Reported bugs**

- Cursor/input issues
- Crashes and freezes
- Inaccurate calculation results
- Missing key functions

**Requested features**

- Add support for more advanced functions (stats, distributions, etc.)
- Improve stability and reduce crashes/freezes
- Enhance cursor/input responsiveness
- Add iPad-specific features (landscape mode, multitasking)
- Provide a more complete TI-84 emulation


### Ruby Compiler

[App page](https://appshunter.io/ios/app/ruby-compiler-rub-rb-code/id1546362321)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GraphNCalc84 free?

GraphNCalc84 costs $9.99, with no in-app purchases.

### Is Ruby Compiler free?

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

### Do GraphNCalc84 or Ruby Compiler have ads?

Neither GraphNCalc84 nor Ruby Compiler shows ads.

### Which is updated more often, GraphNCalc84 or Ruby Compiler?

GraphNCalc84 ships an update fortnightly, and Ruby Compiler every 2 months. Most recently, GraphNCalc84 was updated on October 6, 2026 and Ruby Compiler on October 1, 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.*