# HiPER Scientific Calculator vs Base Conversion AI Calculator

The clearest difference is ratings volume: HiPER Scientific Calculator at 279 against Base Conversion AI Calculator's 1. HiPER Scientific Calculator also leads on update cadence (every 3 weeks vs every 2 months). Base Conversion AI Calculator's advantage is rating (5.0 vs 4.7). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. HiPER Scientific Calculator sells 2 in-app purchases, starting at $0.99 per month and Base Conversion AI Calculator sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Base Conversion AI Calculator holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: HiPER Scientific Calculator has 279 ratings behind it against 1, so its average is the more settled of the two.

HiPER Scientific Calculator ships an update every 3 weeks, Base Conversion AI Calculator every 2 months. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | HiPER Scientific Calculator | Base Conversion AI Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (279 ratings)](https://appshunter.io/ios/app/hiper-scientific-calculator/id1645513530/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/base-conversion-ai-calculator/id6745121596/reviews)** |
| Number of ratings | **279** | 1 |
| Positive reviews | 82.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 35 MB | 123 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jindrich Houska](https://appshunter.io/developer/1645513532) | [Juan Antonio Veloz Gutierrez](https://appshunter.io/developer/1810351183) |

## 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


### Base Conversion AI Calculator

[App page](https://appshunter.io/ios/app/base-conversion-ai-calculator/id6745121596)

Instantly convert numbers between Binary, Decimal, Octal, and Hexadecimal. Get accurate results in seconds with a clean interface. Unlock AI-powered explanations and dark mode with a subscription.

**Highlights:** Instant base conversions, Supports Binary, Decimal, Octal, Hexadecimal, Clean and simple UI, One-tap result copying, AI-powered step-by-step explanations, Dark mode for comfortable use

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Base Conversion Weekly | $4.99 | per 7 days |
| PRO Base Conversion Yearly | $24.99 | per year |


## Frequently asked questions

### Is HiPER Scientific Calculator free?

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

### Is Base Conversion AI Calculator free?

Base Conversion AI Calculator is free to download, with in-app purchases available.

### Which has better reviews, HiPER Scientific Calculator or Base Conversion AI Calculator?

Base Conversion AI Calculator is rated higher. HiPER Scientific Calculator averages 4.7 out of 5 from 279 ratings, while Base Conversion AI Calculator averages 5.0 from 1 ratings.

### Do HiPER Scientific Calculator or Base Conversion AI Calculator have ads?

Both HiPER Scientific Calculator and Base Conversion AI Calculator show ads.

### Which is updated more often, HiPER Scientific Calculator or Base Conversion AI Calculator?

HiPER Scientific Calculator ships an update every 3 weeks, and Base Conversion AI Calculator every 2 months. Most recently, HiPER Scientific Calculator was updated on November 7, 2026 and Base Conversion AI Calculator on October 30, 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.*