# CompSci Calculator vs Programming Calculator

The clearest difference is rating: Programming Calculator at 4.9 against CompSci Calculator's 4.4. Programming Calculator also leads on ads (none vs shown) and review sentiment (80% vs 63%). CompSci Calculator's advantage is update cadence (every 3 days vs every 4 weeks) and iOS requirement (10.0 vs 13.0). On price, ratings volume, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Programming Calculator holds the better App Store score, 4.9 against 4.4. Both are backed by a comparable volume of ratings — 42 and 38 respectively. Written reviews point the same way: 63% of CompSci Calculator's written reviews are positive against 80% of Programming Calculator's.

CompSci Calculator ships an update every 3 days, Programming Calculator every 4 weeks. The most recent releases landed on September 24, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | CompSci Calculator | Programming Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (42 ratings)](https://appshunter.io/ios/app/compsci-calculator/id1111878012/reviews) | **[4.9 (38 ratings)](https://appshunter.io/ios/app/programming-calculator/id1481845623/reviews)** |
| Number of ratings | **42** | 38 |
| Positive reviews | 62.5% of reviews | **80.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 4 weeks |
| Monetization | Ad-supported | **Free** |
| Size | 55 MB | 7 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Corey Smith](https://appshunter.io/developer/1070099434) | [Mikhail Razin](https://appshunter.io/developer/1460485493) |

## What reviewers say

### CompSci Calculator

[App page](https://appshunter.io/ios/app/compsci-calculator/id1111878012)

Perform calculations and conversions between decimal, hexadecimal, and binary bases in real-time. Ideal for programmers and computer scientists, it offers simultaneous display of values across all three modes and supports bitwise operations and complements.

**Highlights:** Decimal, hexadecimal, and binary base calculations, Real-time simultaneous conversion, Basic algebra between bases, Selectable bit size (8, 16, 24, 32), Bitwise functions, 1's and 2's complements

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

**In-app purchases:** none


### Programming Calculator

[App page](https://appshunter.io/ios/app/programming-calculator/id1481845623)

This utility app allows users to instantly convert numbers between bases 2 and 30, perform calculations, and get accurate results. It features a developer-friendly interface with real-time updates and dark mode support.

**Highlights:** Base conversion (2-30), Developer-friendly calculations, Real-time value updates, Intuitive one-hand interface, Dark mode support, Supports multiple number systems

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CompSci Calculator free?

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

### Is Programming Calculator free?

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

### Which has better reviews, CompSci Calculator or Programming Calculator?

Programming Calculator is rated higher. CompSci Calculator averages 4.4 out of 5 from 42 ratings, while Programming Calculator averages 4.9 from 38 ratings.

### Do CompSci Calculator or Programming Calculator have ads?

CompSci Calculator shows ads; Programming Calculator does not.

### Which is updated more often, CompSci Calculator or Programming Calculator?

CompSci Calculator ships an update every 3 days, and Programming Calculator every 4 weeks. Most recently, CompSci Calculator was updated on September 24, 2026 and Programming Calculator on October 3, 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.*