# GraphNCalc84 vs Sanboouk

The clearest difference is price: Sanboouk at Free against GraphNCalc84's $9.99. GraphNCalc84's advantage is in-app purchases (none vs 2) and update cadence (fortnightly vs every 2 months). On ads, device support and iOS requirement there is nothing between them.

Sanboouk is free to download; GraphNCalc84 costs $9.99 up front. Sanboouk sells 2 one-off in-app purchases. GraphNCalc84 asks for nothing beyond the download.

GraphNCalc84 ships an update fortnightly, Sanboouk every 2 months. The most recent releases landed on November 6, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | GraphNCalc84 | Sanboouk |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | **[4.9 (14 ratings)](https://appshunter.io/ios/app/graphncalc84-for-ti-84-plus/id1434568484/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 39.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Paid | — |
| Best chart rank | **#82** | — |
| Size | 41 MB | 39 MB |
| Requires iOS | **13.0** | 13.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Di Venisco UG (haftungsbeschrankt)](https://appshunter.io/developer/1449451480) | [Mamac Group](https://appshunter.io/developer/1300593155) |

## What reviewers say

### GraphNCalc84

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

**Currently charting:** #82 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


### Sanboouk

[App page](https://appshunter.io/ios/app/sanboouk/id6739810430)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sanboouk Lesson | $5.00 | one-time |
| Sanboouk Course | $10.00 | one-time |


## Frequently asked questions

### Is GraphNCalc84 free?

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

### Is Sanboouk free?

Sanboouk is free to download, with in-app purchases available.

### Do GraphNCalc84 or Sanboouk have ads?

Neither GraphNCalc84 nor Sanboouk shows ads.

### Which is updated more often, GraphNCalc84 or Sanboouk?

GraphNCalc84 ships an update fortnightly, and Sanboouk every 2 months. Most recently, GraphNCalc84 was updated on November 6, 2026 and Sanboouk on November 4, 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.*