# NerdCalc vs TwoBaseTen

The clearest difference is rating: NerdCalc at 4.8 against TwoBaseTen's 4.4. NerdCalc also leads on ratings volume (183 vs 37). TwoBaseTen's advantage is update cadence (every 6 months vs every 19 months) and device support (3 vs 1). On price, review sentiment, ads 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 37 respectively. Written reviews complicate that: 83% of NerdCalc's written reviews are positive against 86% of TwoBaseTen's, so the app with the better star average is not the one people write more warmly about.

NerdCalc ships an update every 19 months, TwoBaseTen every 6 months. The most recent releases landed on October 9, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | NerdCalc | TwoBaseTen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (183 ratings)](https://appshunter.io/ios/app/nerdcalc/id432781819/reviews)** | [4.4 (37 ratings)](https://appshunter.io/ios/app/twobaseten-binary-converter/id1448632258/reviews) |
| Number of ratings | **183** | 37 |
| Positive reviews | 83.3% of reviews | **85.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 6 months** |
| Monetization | Free | Free |
| Size | 0 MB | 7 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nidal Fakhouri](https://appshunter.io/developer/432780820) | [Giddyonics, LLC](https://appshunter.io/developer/1161282058) |

## 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


### TwoBaseTen

[App page](https://appshunter.io/ios/app/twobaseten-binary-converter/id1448632258)

Easily convert between decimal and binary number systems with a simple interface. Supports pasting input and copying output for quick operations. Ideal for quick calculations without complex features.

**Highlights:** Decimal to binary conversion, Binary to decimal conversion, Paste numbers to input, Copy output numbers, Switch modes with arrow tap

**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 TwoBaseTen free?

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

### Which has better reviews, NerdCalc or TwoBaseTen?

NerdCalc is rated higher. NerdCalc averages 4.8 out of 5 from 183 ratings, while TwoBaseTen averages 4.4 from 37 ratings.

### Do NerdCalc or TwoBaseTen have ads?

Neither NerdCalc nor TwoBaseTen shows ads.

### Which is updated more often, NerdCalc or TwoBaseTen?

NerdCalc ships an update every 19 months, and TwoBaseTen every 6 months. Most recently, NerdCalc was updated on October 9, 2026 and TwoBaseTen on October 5, 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.*