# Permutation and Combination vs Taculator 84 Graphing Calc

The clearest difference is rating: Taculator 84 Graphing Calc at 4.5 against Permutation and Combination's 3.7. Taculator 84 Graphing Calc also leads on update cadence (every 3 weeks vs every 40 months) and ratings volume (7.7K vs 15). Permutation and Combination's advantage is in-app purchases (none vs 12) and iOS requirement (12.1 vs 15.0). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. Taculator 84 Graphing Calc sells 7 in-app purchases, starting at $3.99 per month. Permutation and Combination asks for nothing beyond the download.

Taculator 84 Graphing Calc holds the better App Store score, 4.5 against 3.7. That said, the two scores are not equally well evidenced: Taculator 84 Graphing Calc has 7.7K ratings behind it against 15, so its average is the more settled of the two. Written reviews point the same way: 44% of Permutation and Combination's written reviews are positive against 46% of Taculator 84 Graphing Calc's.

Permutation and Combination ships an update every 40 months, Taculator 84 Graphing Calc every 3 weeks. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Permutation and Combination | Taculator 84 Graphing Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (15 ratings)](https://appshunter.io/ios/app/permutation-and-combination/id1006634963/reviews) | **[4.5 (7.7K ratings)](https://appshunter.io/ios/app/taculator-84-graphing-calc/id1457737367/reviews)** |
| Number of ratings | 15 | **7.7K** |
| Positive reviews | 44.4% of reviews | **45.5% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 40 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 23 MB | 57 MB |
| Requires iOS | **12.1** | 15.0 |
| Devices | iPhone, iPod, Apple Watch | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Keiji Matsui](https://appshunter.io/developer/365287272) | [Di Venisco UG (haftungsbeschrankt)](https://appshunter.io/developer/1449451480) |

## What reviewers say

### Permutation and Combination

[App page](https://appshunter.io/ios/app/permutation-and-combination/id1006634963)

Easily calculate permutations and combinations with this educational tool. It provides a straightforward way to solve mathematical problems related to arrangements and selections.

**Highlights:** Calculate permutations, Calculate combinations, Easy to use interface, Educational tool

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Permutation and Combination free?

Permutation and Combination is free to download, with no in-app purchases.

### Is Taculator 84 Graphing Calc free?

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

### Which has better reviews, Permutation and Combination or Taculator 84 Graphing Calc?

Taculator 84 Graphing Calc is rated higher. Permutation and Combination averages 3.7 out of 5 from 15 ratings, while Taculator 84 Graphing Calc averages 4.5 from 7.7K ratings.

### Do Permutation and Combination or Taculator 84 Graphing Calc have ads?

Neither Permutation and Combination nor Taculator 84 Graphing Calc shows ads.

### Which is updated more often, Permutation and Combination or Taculator 84 Graphing Calc?

Permutation and Combination ships an update every 40 months, and Taculator 84 Graphing Calc every 3 weeks. Most recently, Permutation and Combination was updated on October 24, 2026 and Taculator 84 Graphing Calc on October 29, 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.*