# Engineering Calculator vs Graphing Calculator 84

The clearest difference is review sentiment: Graphing Calculator 84 at 84% against Engineering Calculator's 0%. Graphing Calculator 84 also leads on price (Free vs $1.99) and rating (4.6 vs 1.0). Engineering Calculator's advantage is in-app purchases (none vs 4) and ads (none vs shown).

Graphing Calculator 84 is free to download; Engineering Calculator costs $1.99 up front. Graphing Calculator 84 sells 4 in-app purchases, starting at $1.99 per month. Engineering Calculator asks for nothing beyond the download.

Graphing Calculator 84 holds the better App Store score, 4.6 against 1.0. That said, the two scores are not equally well evidenced: Graphing Calculator 84 has 5.1K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Engineering Calculator's written reviews are positive against 84% of Graphing Calculator 84's.

Engineering Calculator ships an update every 30 months, Graphing Calculator 84 every 2 months. The most recent releases landed on October 13, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Engineering Calculator | Graphing Calculator 84 |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/engineering-calculator/id1297957037/reviews) | **[4.6 (5.1K ratings)](https://appshunter.io/ios/app/graphing-calculator-84-calc84/id1509489130/reviews)** |
| Number of ratings | 1 | **5.1K** |
| Positive reviews | 0.0% of reviews | **83.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 30 months | **Every 2 months** |
| Monetization | Paid | **Freemium** |
| Size | 7 MB | 163 MB |
| Requires iOS | 17.0 | **15** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 12+ |
| Developer | [loay setrak](https://appshunter.io/developer/923932983) | [Tran Duy](https://appshunter.io/developer/1449106994) |

## What reviewers say

### Engineering Calculator

[App page](https://appshunter.io/ios/app/engineering-calculator/id1297957037)

This application provides a comprehensive suite of 59 engineering calculators across civil, electrical, and mechanical disciplines. It includes formulas and descriptions for each calculator, along with convenient copy and clear functions.

**Highlights:** 59 engineering calculators, Civil, Electrical, Mechanical categories, Formulas included for each calculator, Descriptions for each calculator, Copy and clear button functionality

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

**In-app purchases:** none


### 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 Engineering Calculator free?

Engineering Calculator costs $1.99, with no in-app purchases.

### Is Graphing Calculator 84 free?

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

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

Graphing Calculator 84 is rated higher. Engineering Calculator averages 1.0 out of 5 from 1 ratings, while Graphing Calculator 84 averages 4.6 from 5.1K ratings.

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

Graphing Calculator 84 shows ads; Engineering Calculator does not.

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

Engineering Calculator ships an update every 30 months, and Graphing Calculator 84 every 2 months. Most recently, Engineering Calculator was updated on October 13, 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.*