# Programmer's Calculator vs Dev Calc

The clearest difference is rating: Programmer's Calculator at 4.7 against Dev Calc's 2.0. Programmer's Calculator also leads on ads (none vs shown) and ratings volume (927 vs 2). Dev Calc's advantage is update cadence (every 2 months vs every 6 months). On price, review sentiment, in-app purchases and monetization model there is nothing between them.

Both are free to download. Programmer's Calculator sells 1 in-app purchase, starting at $0.99 per month and Dev Calc sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Programmer's Calculator holds the better App Store score, 4.7 against 2.0. That said, the two scores are not equally well evidenced: Programmer's Calculator has 927 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 62% of Programmer's Calculator's written reviews are positive against 60% of Dev Calc's.

Programmer's Calculator ships an update every 6 months, Dev Calc every 2 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Programmer's Calculator | Dev Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (927 ratings)](https://appshunter.io/ios/app/programmers-calculator/id1467603958/reviews)** | [2.0 (2 ratings)](https://appshunter.io/ios/app/dev-calc-developer-calculator/id1576503219/reviews) |
| Number of ratings | **927** | 2 |
| Positive reviews | **62.1% of reviews** | 60.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 21 MB | 51 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Yuma Kitasei](https://appshunter.io/developer/1199831834) | [Toshiya Hondo](https://appshunter.io/developer/1571875732) |

## What reviewers say

### Programmer's Calculator

[App page](https://appshunter.io/ios/app/programmers-calculator/id1467603958)

This application serves as a versatile calculator designed for programmers. It supports conversions and calculations across binary, decimal, and hexadecimal number systems.

**Highlights:** Binary number support, Decimal number support, Hexadecimal number support, Number system conversions, Programmer-focused calculations

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium member | $0.99 | per month |

**What reviewers like**

- 🚀 Straightforward and highly functional
- 👍 Easy to use
- 💡 Useful for coding and calculations
- 👍 Practical for binary and hex operations
- 👍 Displays decimal, binary, and hex simultaneously

**What reviewers complain about**

- 🐛 Ads take too long to click out of
- 🐛 Subscription did not remove ads
- 🐛 App freezes and crashes
- 🔋 High battery consumption

**Reported bugs**

- Login screen freezes
- Incompatible with older devices

**Requested features**

- Add octal support
- Implement RPN input mode
- Add 2's complement and bit shift functions
- Provide visual feedback on calculations
- Allow setting number of bits


### Dev Calc

[App page](https://appshunter.io/ios/app/dev-calc-developer-calculator/id1576503219)

This app assists developers and programmers with immediate numeric conversions between binary, octal, decimal, and hexadecimal formats. It also provides tools for generating color codes from RGB, HSL, and HSV values, with a color picker and preset options.

**Highlights:** Numeric conversion (Bin, Oct, Dec, Hex), Signed/Unsigned options, Adjustable bit sizes (8, 16, 32, 64), RGB, HSL, HSV color code generation, Color picker, Preset color options

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads (Monthly) | $1.99 | per month |


## Frequently asked questions

### Is Programmer's Calculator free?

Programmer's Calculator is free to download, with in-app purchases available.

### Is Dev Calc free?

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

### Which has better reviews, Programmer's Calculator or Dev Calc?

Programmer's Calculator is rated higher. Programmer's Calculator averages 4.7 out of 5 from 927 ratings, while Dev Calc averages 2.0 from 2 ratings.

### Do Programmer's Calculator or Dev Calc have ads?

Dev Calc shows ads; Programmer's Calculator does not.

### Which is updated more often, Programmer's Calculator or Dev Calc?

Programmer's Calculator ships an update every 6 months, and Dev Calc every 2 months. Most recently, Programmer's Calculator was updated on November 3, 2026 and Dev Calc on November 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.*