# Taculator 84 Graphing Calc vs Z

The clearest difference is review sentiment: Z at 100% against Taculator 84 Graphing Calc's 46%. Z also leads on in-app purchases (none vs 12) and rating (5.0 vs 4.5). Taculator 84 Graphing Calc's advantage is price (Free vs $2.99) and ads (none vs shown). On device support there is nothing between them.

Taculator 84 Graphing Calc is free to download; Z costs $2.99 up front. Taculator 84 Graphing Calc sells 7 in-app purchases, starting at $3.99 per month. Z asks for nothing beyond the download.

Z holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Taculator 84 Graphing Calc has 7.7K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 46% of Taculator 84 Graphing Calc's written reviews are positive against 100% of Z's.

Taculator 84 Graphing Calc ships an update every 3 weeks, Z every 6 weeks. The most recent releases landed on October 25, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Taculator 84 Graphing Calc | Z |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | [4.5 (7.7K ratings)](https://appshunter.io/ios/app/taculator-84-graphing-calc/id1457737367/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/z-table-statistics/id6738610691/reviews)** |
| Number of ratings | **7.7K** | 1 |
| Positive reviews | 45.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 57 MB | 32 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Di Venisco UG (haftungsbeschrankt)](https://appshunter.io/developer/1449451480) | [JanoGroup LLC](https://appshunter.io/developer/1781461557) |

## 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


### Z

[App page](https://appshunter.io/ios/app/z-table-statistics/id6738610691)

This app provides a quick and easy way for students and professionals to look up Z-scores and calculate corresponding probabilities. It features comprehensive Z-score tables and a user-friendly interface for efficient statistical analysis.

**Highlights:** Comprehensive Z-score tables, Fast probability calculation, User-friendly interface, Educational tool for statistics, Reference for data analysis

**Features:** macOS Compatibility

**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 Z free?

Z costs $2.99, with no in-app purchases.

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

Z is rated higher. Taculator 84 Graphing Calc averages 4.5 out of 5 from 7.7K ratings, while Z averages 5.0 from 1 ratings.

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

Z shows ads; Taculator 84 Graphing Calc does not.

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

Taculator 84 Graphing Calc ships an update every 3 weeks, and Z every 6 weeks. Most recently, Taculator 84 Graphing Calc was updated on October 25, 2026 and Z on October 9, 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.*