# HiPER Scientific Calculator vs Permutation Combination

The clearest difference is review sentiment: HiPER Scientific Calculator at 83% against Permutation Combination's 0%. HiPER Scientific Calculator also leads on rating (4.7 vs 2.0) and ratings volume (274 vs 1). Permutation Combination's advantage is in-app purchases (none vs 2) and update cadence (every 2 days vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. HiPER Scientific Calculator sells 2 in-app purchases, starting at $0.99 per month. Permutation Combination asks for nothing beyond the download.

HiPER Scientific Calculator holds the better App Store score, 4.7 against 2.0. That said, the two scores are not equally well evidenced: HiPER Scientific Calculator has 274 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 83% of HiPER Scientific Calculator's written reviews are positive against 0% of Permutation Combination's.

HiPER Scientific Calculator ships an update every 3 weeks, Permutation Combination every 2 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | HiPER Scientific Calculator | Permutation Combination |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (274 ratings)](https://appshunter.io/ios/app/hiper-scientific-calculator/id1645513530/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/permutation-combination/id6448662601/reviews) |
| Number of ratings | **274** | 1 |
| Positive reviews | **82.8% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 35 MB | 31 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jindrich Houska](https://appshunter.io/developer/1645513532) | [HIWAZERO](https://appshunter.io/developer/1621048794) |

## What reviewers say

### HiPER Scientific Calculator

[App page](https://appshunter.io/ios/app/hiper-scientific-calculator/id1645513530)

This app offers advanced scientific calculation capabilities, including symbolic algebra, equation solving, and calculus functions. It supports high precision, natural expression input, and various display formats. Users can also visualize functions and equations with 2D and 3D graphing.

**Highlights:** Symbolic algebra, Integrals and derivatives, High precision calculations, Natural expression input, 2D and 3D graphing, Matrices and vectors, Unit conversions

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro version | $0.99 | per month |
| Pro Forever | $7.99 | one-time |

**What reviewers like**

- 👍 Excellent functionality for technical users
- 💡 Custom functions for non-trivial calculations
- 👍 Great expression screen, easy to navigate
- 👍 Accurate and intuitive UI
- 👍 Remains the best after years of use

**What reviewers complain about**

- 🐛 Keyboard unresponsive at times
- 🐛 Ads in paid version
- 🐛 iOS version lacks RPN mode
- 🐛 iOS version lacks themes
- 🐛 iOS version lacks custom functions

**Reported bugs**

- Keyboard unresponsive in multiple occasions
- App freezes when entering numbers
- Failed upgrade workflow message
- App offers paid upgrade after purchase
- White text unreadable on dark background in iOS settings

**Requested features**

- Allow custom infix operations
- Add widget support
- Add RPN mode to iOS version
- Add themes to iOS version
- Add custom functions to iOS version


### Permutation Combination

[App page](https://appshunter.io/ios/app/permutation-combination/id6448662601)

Easily calculate permutations and combinations for mathematics and statistics. This tool simplifies complex calculations, helping users save time and improve accuracy in exams and studies.

**Highlights:** Permutation calculations, Combination calculations, Time-saving for exams, Mathematical and statistical use, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HiPER Scientific Calculator free?

HiPER Scientific Calculator is free to download, with in-app purchases available.

### Is Permutation Combination free?

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

### Which has better reviews, HiPER Scientific Calculator or Permutation Combination?

HiPER Scientific Calculator is rated higher. HiPER Scientific Calculator averages 4.7 out of 5 from 274 ratings, while Permutation Combination averages 2.0 from 1 ratings.

### Do HiPER Scientific Calculator or Permutation Combination have ads?

Both HiPER Scientific Calculator and Permutation Combination show ads.

### Which is updated more often, HiPER Scientific Calculator or Permutation Combination?

HiPER Scientific Calculator ships an update every 3 weeks, and Permutation Combination every 2 days. Most recently, HiPER Scientific Calculator was updated on October 24, 2026 and Permutation Combination on October 24, 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.*