# Taculator 84 Graphing Calc vs GoodGeometry

The clearest difference is price: Taculator 84 Graphing Calc at Free against GoodGeometry's $3.99. Taculator 84 Graphing Calc also leads on rating (4.5 vs 1.2) and ratings volume (7.6K vs 5). GoodGeometry's advantage is in-app purchases (none vs 12) and review sentiment (64% vs 45%). On ads there is nothing between them.

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

Taculator 84 Graphing Calc holds the better App Store score, 4.5 against 1.2. That said, the two scores are not equally well evidenced: Taculator 84 Graphing Calc has 7.6K ratings behind it against 5, so its average is the more settled of the two. Written reviews complicate that: 45% of Taculator 84 Graphing Calc's written reviews are positive against 64% of GoodGeometry's, so the app with the better star average is not the one people write more warmly about.

Taculator 84 Graphing Calc ships an update every 3 weeks, GoodGeometry every 2 months. The most recent releases landed on September 24, 2026 and September 2, 2026 respectively.

## The numbers

| Metric | Taculator 84 Graphing Calc | GoodGeometry |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[4.5 (7.6K ratings)](https://appshunter.io/ios/app/taculator-84-graphing-calc/id1457737367/reviews)** | [1.2 (5 ratings)](https://appshunter.io/ios/app/goodgeometry/id6448868208/reviews) |
| Number of ratings | **7.6K** | 5 |
| Positive reviews | 45.2% of reviews | **64.3% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 55 MB | 1.3 GB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Di Venisco UG (haftungsbeschrankt)](https://appshunter.io/developer/1449451480) | [Birgit Stock](https://appshunter.io/developer/598299950) |

## 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 | $5.99 | 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


### GoodGeometry

[App page](https://appshunter.io/ios/app/goodgeometry/id6448868208)

Enhance geometry tasks within GoodNotes with infinitely zoomable tools, paper templates, and cover designs. Create custom templates and covers with editable patterns. Export your work as zoomable PDFs for versatile use.

**Highlights:** Infinitely zoomable geometric tools, Customizable paper templates, Editable cover designer, Zoomable PDF export, Multiple tool designs, GoodNotes and collection file formats

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

**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 GoodGeometry free?

GoodGeometry costs $3.99, with no in-app purchases.

### Which has better reviews, Taculator 84 Graphing Calc or GoodGeometry?

Taculator 84 Graphing Calc is rated higher. Taculator 84 Graphing Calc averages 4.5 out of 5 from 7.6K ratings, while GoodGeometry averages 1.2 from 5 ratings.

### Do Taculator 84 Graphing Calc or GoodGeometry have ads?

Neither Taculator 84 Graphing Calc nor GoodGeometry shows ads.

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

Taculator 84 Graphing Calc ships an update every 3 weeks, and GoodGeometry every 2 months. Most recently, Taculator 84 Graphing Calc was updated on September 24, 2026 and GoodGeometry on September 2, 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.*