# Calc vs Developer Calc Hex Dec Oct Bin

The clearest difference is in-app purchases: Developer Calc Hex Dec Oct Bin at none against Calc's 2. Developer Calc Hex Dec Oct Bin also leads on iOS requirement (9.0 vs 15.6). Calc's advantage is ads (none vs shown). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Calc sells 2 in-app purchases, starting at $0.99 per month. Developer Calc Hex Dec Oct Bin asks for nothing beyond the download.

Developer Calc Hex Dec Oct Bin holds the better App Store score, 4.1 against 3.9. Both are backed by a comparable volume of ratings — 28 and 15 respectively. Written reviews complicate that: 81% of Calc's written reviews are positive against 76% of Developer Calc Hex Dec Oct Bin's, so the app with the better star average is not the one people write more warmly about.

Calc ships an update every 2 months, Developer Calc Hex Dec Oct Bin every 5 months. The most recent releases landed on October 14, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Calc | Developer Calc Hex Dec Oct Bin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (28 ratings)](https://appshunter.io/ios/app/calc/id285807159/reviews) | **[4.1 (15 ratings)](https://appshunter.io/ios/app/developer-calc-hex-dec-oct-bin/id568750126/reviews)** |
| Number of ratings | **28** | 15 |
| Positive reviews | **80.8% of reviews** | 76.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | **Free** | Ad-supported |
| Size | 1 MB | 4 MB |
| Requires iOS | 15.6 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mike Wesemann](https://appshunter.io/developer/285807162) | [QQ TSUBASA](https://appshunter.io/developer/568750169) |

## What reviewers say

### Calc

[App page](https://appshunter.io/ios/app/calc/id285807159)

A visually appealing and straightforward calculator app for iPhone and iPad. It offers a unique user interface with support for basic and scientific calculations, various number base conversions, and currency and unit conversions.

**Highlights:** Universal app for iPhone and iPad, Basic and scientific calculations, Number base conversions (decimal, hex, binary, octal), Currency and unit conversions, Scrollable calculation history, 10 color themes

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calc Pro | $0.99 | per month |
| Calc Pro | $4.99 | per year |

**What reviewers like**

- 🚀 Free app
- 👍 Simple and easy to use
- 📜 Tape/history feature
- 🎨 Customizable colors
- 📤 Ability to email calculations

**What reviewers complain about**

- 🐛 Crashes or freezes on some devices
- 🔊 Annoying key click sounds
- 📜 Scrolling to see recent calculations
- 🔍 Overcrowded interface with too many functions

**Reported bugs**

- Percentage calculations not working correctly
- Cos 90 showing incorrect result

**Requested features**

- Copy and paste support
- Larger buttons for easier use
- Ability to clear calculation history
- Auto-insert previous result when using operators
- Landscape mode support


### Developer Calc Hex Dec Oct Bin

[App page](https://appshunter.io/ios/app/developer-calc-hex-dec-oct-bin/id568750126)

This app converts numbers between binary, octal, decimal, and hexadecimal bases on a single screen. It also displays color hex codes and RGB values simultaneously. It's designed for developers needing quick base conversions and color code referencing.

**Highlights:** Binary, octal, decimal, hexadecimal conversion, Color hex code and RGB display, Large 19-digit decimal display, Conversion reset toggle, Maximum and minimum value display

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calc free?

Calc is free to download, with in-app purchases available.

### Is Developer Calc Hex Dec Oct Bin free?

Developer Calc Hex Dec Oct Bin is free to download, with no in-app purchases.

### Which has better reviews, Calc or Developer Calc Hex Dec Oct Bin?

Developer Calc Hex Dec Oct Bin is rated higher. Calc averages 3.9 out of 5 from 28 ratings, while Developer Calc Hex Dec Oct Bin averages 4.1 from 15 ratings.

### Do Calc or Developer Calc Hex Dec Oct Bin have ads?

Developer Calc Hex Dec Oct Bin shows ads; Calc does not.

### Which is updated more often, Calc or Developer Calc Hex Dec Oct Bin?

Calc ships an update every 2 months, and Developer Calc Hex Dec Oct Bin every 5 months. Most recently, Calc was updated on October 14, 2026 and Developer Calc Hex Dec Oct Bin on October 6, 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.*