# NerdCalc vs CompSci Calculator

The clearest difference is ads: NerdCalc at none against CompSci Calculator's shown. NerdCalc also leads on rating (4.8 vs 4.4) and review sentiment (85% vs 63%). CompSci Calculator's advantage is update cadence (every 3 days vs every 19 months) and device support (3 vs 1). On price and in-app purchases there is nothing between them.

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

NerdCalc holds the better App Store score, 4.8 against 4.4. Both are backed by a comparable volume of ratings — 183 and 42 respectively. Written reviews point the same way: 85% of NerdCalc's written reviews are positive against 63% of CompSci Calculator's.

NerdCalc ships an update every 19 months, CompSci Calculator every 3 days. The most recent releases landed on October 19, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | NerdCalc | CompSci Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (183 ratings)](https://appshunter.io/ios/app/nerdcalc/id432781819/reviews)** | [4.4 (42 ratings)](https://appshunter.io/ios/app/compsci-calculator/id1111878012/reviews) |
| Number of ratings | **183** | 42 |
| Positive reviews | **84.8% of reviews** | 62.5% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 19 months | **Every 3 days** |
| Monetization | **Free** | Ad-supported |
| Size | 0 MB | 55 MB |
| Requires iOS | 17.0 | **10.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nidal Fakhouri](https://appshunter.io/developer/432780820) | [Corey Smith](https://appshunter.io/developer/1070099434) |

## What reviewers say

### NerdCalc

[App page](https://appshunter.io/ios/app/nerdcalc/id432781819)

Perform calculations across binary, hexadecimal, and decimal number bases simultaneously. Easily switch input modes and see results update instantly for all bases. Supports unsigned and 2's complement for negative numbers, along with arithmetic, logic, and bitwise operations.

**Highlights:** Simultaneous base display, Switchable input modes, Unsigned and 2's complement support, Arithmetic operations, Logic operations, Bitwise shifting

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is NerdCalc free?

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

### Is CompSci Calculator free?

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

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

NerdCalc is rated higher. NerdCalc averages 4.8 out of 5 from 183 ratings, while CompSci Calculator averages 4.4 from 42 ratings.

### Do NerdCalc or CompSci Calculator have ads?

CompSci Calculator shows ads; NerdCalc does not.

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

NerdCalc ships an update every 19 months, and CompSci Calculator every 3 days. Most recently, NerdCalc was updated on October 19, 2026 and CompSci Calculator on October 10, 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.*