# Taculator 84 Graphing Calc vs Math Constants

The clearest difference is price: Taculator 84 Graphing Calc at Free against Math Constants's $0.99. Taculator 84 Graphing Calc also leads on update cadence (every 3 weeks vs every 38 months) and device support (4 vs 2). Math Constants's advantage is in-app purchases (none vs 10). On ads there is nothing between them.

Taculator 84 Graphing Calc is free to download; Math Constants costs $0.99 up front. Taculator 84 Graphing Calc sells 7 in-app purchases, starting at $3.99 per month. Math Constants asks for nothing beyond the download.

Taculator 84 Graphing Calc ships an update every 3 weeks, Math Constants every 38 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Taculator 84 Graphing Calc | Math Constants |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.5 (7.7K ratings)](https://appshunter.io/ios/app/taculator-84-graphing-calc/id1457737367/reviews)** | — |
| Number of ratings | **7.7K** | — |
| Positive reviews | 45.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 38 months |
| Monetization | Free with in-app purchases | — |
| Size | 57 MB | 1 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Di Venisco UG (haftungsbeschrankt)](https://appshunter.io/developer/1449451480) | [Paul Scott](https://appshunter.io/developer/1542422467) |

## What reviewers say

### Taculator 84 Graphing Calc

[App page](https://appshunter.io/ios/app/taculator-84-graphing-calc/id1457737367)

This advanced calculator app offers comprehensive tools for high school and college students, covering everything from pre-algebra to calculus and statistics. It features high-resolution graphing, matrix operations, and detailed statistical analysis, all accessible through an intuitive interface.

**Highlights:** Scientific and advanced math functions, High-resolution graphing and plotting, Matrix operations and storage, List, statistics, and distribution calculations, Integrated command catalog and help, Complex number support, Share calculations via text or email

**Features:** Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Taculator Pro - Monthly | $3.99 | per month |
| Taculator Pro - Monthly | $3.99 | per month |
| Taculator Pro - Yearly | $14.99 | per year |
| Taculator Pro - Yearly | $14.99 | per year |
| Taculator Pro - Yearly | $29.99 | per year |
| Taculator Pro | $29.99 | per year |
| Taculator Pro - Lifetime | $7.99 | one-time |

**What reviewers like**

- 🚀 Excellent implementation and familiar layout
- 💡 Customizable buttons and color scheme
- 👍 Helpful and life-saving calculator
- 🚀 Best on-the-go calculator

**What reviewers complain about**

- 🐛 Crashes when trying to graph or use certain functions
- 🔒 Requires subscription to access full functionality
- 🐛 Inaccurate calculations and wrong results
- 🐛 Inconsistent performance and unreliable

**Reported bugs**

- Cannot handle negative powers
- Keyboard issues on certain devices
- Errors when trying to clear lists
- Scaling and UI issues on some devices

**Requested features**

- Add apps and programming features
- Improve graphing capabilities
- Add support for degrees, minutes, and seconds
- Implement symbolic calculus and equation solving


### Math Constants

[App page](https://appshunter.io/ios/app/math-constants/id6466728958)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Taculator 84 Graphing Calc free?

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

### Is Math Constants free?

Math Constants costs $0.99, with no in-app purchases.

### Do Taculator 84 Graphing Calc or Math Constants have ads?

Neither Taculator 84 Graphing Calc nor Math Constants shows ads.

### Which is updated more often, Taculator 84 Graphing Calc or Math Constants?

Taculator 84 Graphing Calc ships an update every 3 weeks, and Math Constants every 38 months. Most recently, Taculator 84 Graphing Calc was updated on November 2, 2026 and Math Constants on November 3, 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.*