# Calculator ∞ vs Graphing Calculator 84

The clearest difference is price: Graphing Calculator 84 at Free against Calculator ∞'s $5.99. Graphing Calculator 84 also leads on review sentiment (84% vs 75%). Calculator ∞'s advantage is ads (none vs shown) and iOS requirement (12.1 vs 15). On rating, ratings volume, update cadence and in-app purchases there is nothing between them.

Graphing Calculator 84 is free to download; Calculator ∞ costs $5.99 up front. Calculator ∞ sells 4 in-app purchases, starting at $3.49 per month and Graphing Calculator 84 sells 4 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for Calculator ∞ against 4.6 for Graphing Calculator 84. Both are backed by a comparable volume of ratings — 6.4K and 5.1K respectively. Written reviews are what separate them: 75% of Calculator ∞'s written reviews are positive against 84% of Graphing Calculator 84's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Calculator ∞ | Graphing Calculator 84 |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | **[4.7 (6.4K ratings)](https://appshunter.io/ios/app/calculator/id458535809/reviews)** | [4.6 (5.1K ratings)](https://appshunter.io/ios/app/graphing-calculator-84-calc84/id1509489130/reviews) |
| Number of ratings | **6.4K** | 5.1K |
| Positive reviews | 74.7% of reviews | **83.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | Freemium |
| Size | 46 MB | 163 MB |
| Requires iOS | **12.1** | 15 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 12+ |
| Developer | [Incpt.Mobis](https://appshunter.io/developer/445261166) | [Tran Duy](https://appshunter.io/developer/1449106994) |

## What reviewers say

### Calculator ∞

[App page](https://appshunter.io/ios/app/calculator/id458535809)

This advanced calculator app offers a powerful math core and algebra engine for basic to complex calculations. It includes features like step-by-step solutions, handwriting recognition, and 2D graphing, making it suitable for students, engineers, and programmers.

**Highlights:** Step-by-step solution hints, Math Photos Solver, Handwriting Recognition, AI Math Problem Solver, 2D Graphing, Unit Converter, Matrix/Vector Mode

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited OCR/Writing 1 Month | $3.49 | per month |
| Unlimited OCR/Writing 3 Months | $8.99 | per 3 months |
| 400 AI Recognition & Queries | $0.99 | one-time |
| 900 AI Recognition & Queries | $1.99 | one-time |


### Graphing Calculator 84

[App page](https://appshunter.io/ios/app/graphing-calculator-84-calc84/id1509489130)

This app offers a comprehensive graphing and scientific calculator experience, mimicking the functionality of a Ti-84. It includes advanced features for graphing, symbolic calculations, equation solving, and extensive statistical analysis. Users can upgrade for full access to all capabilities.

**Highlights:** Graphing calculator with function, polar, and parametric plots, Scientific calculator with computer algebra system, Equation solver for various equation types, Extensive 1-variable and 2-variable statistics, Inferential statistics and distribution functions, Interactive and manual tracing modes

**Features:** Family Sharing, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calc84 One Month | $1.99 | per month |
| Calc84 One Year | $2.99 | per year |
| Graphing Calculator Plus | $5.99 | one-time |
| Calc84 Pro Lifetime | $5.99 | one-time |

**What reviewers like**

- 👍 Great calculator app
- 🚀 Powerful features
- 💰 Good value for money
- 📱 Convenient mobile version of TI-84
- 🎓 Helpful for math/stats courses

**What reviewers complain about**

- 🐛 Occasional crashes or bugs
- 🔍 Lack of instructions/documentation
- 💸 Premium features require additional purchase
- 🔊 Interferes with music playback
- 📱 Small button sizes on mobile

**Reported bugs**

- Incorrect results for some exponent/root operations with negative numbers
- Inability to view full range of result formats for certain calculations

**Requested features**

- Ability to edit expressions in history
- More customization options for themes/icons
- Improved handling of complex number operations
- Better support for finding all function zeros


## Frequently asked questions

### Is Calculator ∞ free?

Calculator ∞ costs $5.99, and also offers in-app purchases.

### Is Graphing Calculator 84 free?

Graphing Calculator 84 is free to download, with in-app purchases available.

### Which has better reviews, Calculator ∞ or Graphing Calculator 84?

Calculator ∞ is rated higher. Calculator ∞ averages 4.7 out of 5 from 6.4K ratings, while Graphing Calculator 84 averages 4.6 from 5.1K ratings.

### Do Calculator ∞ or Graphing Calculator 84 have ads?

Graphing Calculator 84 shows ads; Calculator ∞ does not.

### Which is updated more often, Calculator ∞ or Graphing Calculator 84?

Calculator ∞ ships an update every 2 months, and Graphing Calculator 84 every 2 months. Most recently, Calculator ∞ was updated on October 26, 2026 and Graphing Calculator 84 on October 27, 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.*