# HiPER Scientific Calculator vs UUFit

The clearest difference is review sentiment: HiPER Scientific Calculator at 83% against UUFit's 0%. HiPER Scientific Calculator also leads on rating (4.7 vs 2.6) and update cadence (every 3 weeks vs every 3 months). UUFit's advantage is in-app purchases (none vs 2) and ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

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

HiPER Scientific Calculator holds the better App Store score, 4.7 against 2.6. That said, the two scores are not equally well evidenced: HiPER Scientific Calculator has 279 ratings behind it against 27, 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 UUFit's.

HiPER Scientific Calculator ships an update every 3 weeks, UUFit every 3 months. Both last shipped on November 7, 2026.

## The numbers

| Metric | HiPER Scientific Calculator | UUFit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (279 ratings)](https://appshunter.io/ios/app/hiper-scientific-calculator/id1645513530/reviews)** | [2.6 (27 ratings)](https://appshunter.io/ios/app/uufit/id6444471587/reviews) |
| Number of ratings | **279** | 27 |
| Positive reviews | **82.8% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 35 MB | 109 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jindrich Houska](https://appshunter.io/developer/1645513532) | [少鸾 黄](https://appshunter.io/developer/1650142494) |

## 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


### UUFit

[App page](https://appshunter.io/ios/app/uufit/id6444471587)

This utility app allows users to customize their connected smartwatches. Manage device settings, personalize watch faces, and access various functions to enhance your wearable experience.

**Highlights:** Modify watch settings, Customize watch faces, Access watch functions, Connect with UUFit watches

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

**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 UUFit free?

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

### Which has better reviews, HiPER Scientific Calculator or UUFit?

HiPER Scientific Calculator is rated higher. HiPER Scientific Calculator averages 4.7 out of 5 from 279 ratings, while UUFit averages 2.6 from 27 ratings.

### Do HiPER Scientific Calculator or UUFit have ads?

HiPER Scientific Calculator shows ads; UUFit does not.

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

HiPER Scientific Calculator ships an update every 3 weeks, and UUFit every 3 months. Most recently, HiPER Scientific Calculator was updated on November 7, 2026 and UUFit on November 7, 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.*