# Graphing Calculator X84 vs Dimassi School

The clearest difference is in-app purchases: Dimassi School at none against Graphing Calculator X84's 1. Dimassi School also leads on ads (none vs shown) and update cadence (every 9 days vs every 3 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Graphing Calculator X84 sells 1 one-off in-app purchase. Dimassi School asks for nothing beyond the download.

Graphing Calculator X84 ships an update every 3 months, Dimassi School every 9 days. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Graphing Calculator X84 | Dimassi School |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (50K ratings)](https://appshunter.io/ios/app/graphing-calculator-x84/id1247828717/reviews)** | — |
| Number of ratings | **50K** | — |
| Positive reviews | 38.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 23 MB | 27 MB |
| Requires iOS | **12.1** | 13.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Incpt.Mobis](https://appshunter.io/developer/445261166) | [Walid Ghammouri](https://appshunter.io/developer/1651229565) |

## What reviewers say

### Graphing Calculator X84

[App page](https://appshunter.io/ios/app/graphing-calculator-x84/id1247828717)

This app offers a free, powerful alternative to hardware graphing calculators. It supports basic to complex math, including graphing, statistics, and matrix operations, with a built-in user manual for assistance.

**Highlights:** Graphing of functions, Statistics and regression analysis, Matrix operations, Equation and polynomial solver, Integral and derivative calculation, Mathematical display

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Upgrade | $5.99 | one-time |

**What reviewers like**

- 🚀 Exact replica of TI-84 calculator
- 🤩 Great for school/college math
- 👍 Convenient to have on phone
- 💰 Cheaper than physical calculator

**What reviewers complain about**

- 📺 Intrusive and frequent ads
- 🔓 Key features locked behind paywall
- 🛑 Restricted functionality compared to physical TI-84
- 🤯 Ads disrupt focus during timed tests

**Reported bugs**

- Calculation errors on basic functions
- Graphing and programming features not working as expected
- Frequent crashes and freezes

**Requested features**

- Option to pay and remove ads
- More customization options
- Haptic feedback when pressing buttons
- Better integration with physical TI-84 calculators


### Dimassi School

[App page](https://appshunter.io/ios/app/dimassi-school/id6677005165)

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

**In-app purchases:** none


## Frequently asked questions

### Is Graphing Calculator X84 free?

Graphing Calculator X84 is free to download, with in-app purchases available.

### Is Dimassi School free?

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

### Do Graphing Calculator X84 or Dimassi School have ads?

Graphing Calculator X84 shows ads; Dimassi School does not.

### Which is updated more often, Graphing Calculator X84 or Dimassi School?

Graphing Calculator X84 ships an update every 3 months, and Dimassi School every 9 days. Most recently, Graphing Calculator X84 was updated on November 1, 2026 and Dimassi School on October 30, 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.*