# Convex Programmer's Calculator vs ++Calc

The clearest difference is ads: Convex Programmer's Calculator at none against ++Calc's shown. Convex Programmer's Calculator also leads on monetization model (free vs ad-supported). ++Calc's advantage is review sentiment (100% vs 67%) and update cadence (every 3 months vs every 8 months). 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.

Convex Programmer's Calculator ships an update every 8 months, ++Calc every 3 months. The most recent releases landed on September 27, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Convex Programmer's Calculator | ++Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (6 ratings)](https://appshunter.io/ios/app/convex-programmers-calculator/id1021414602/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | **Every 3 months** |
| Monetization | **Free** | Ad-supported |
| Size | 0 MB | 7 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Matthew Daigle](https://appshunter.io/developer/1021414601) | [Legal Prompt Inc.](https://appshunter.io/developer/1490746932) |

## What reviewers say

### Convex Programmer's Calculator

[App page](https://appshunter.io/ios/app/convex-programmers-calculator/id1021414602)

Convert numbers between hexadecimal, decimal, octal, and binary. Perform byte flips, bit shifts, and calculate two's complement. Features bit indicators and word grouping for improved binary readability.

**Highlights:** Number base conversion, Two's complement calculation, Byte flipping for endianness, Left and right bit shifting, Binary readability enhancements, Copy, paste, and clear functionality

**Features:** macOS Compatibility

**In-app purchases:** none


### ++Calc

[App page](https://appshunter.io/ios/app/plus-plus-calc-time-calculator/id6478706000)

This app offers a versatile calculator for everyday tasks, supporting calculations in binary, octal, decimal, and hexadecimal. It allows for complex expressions with parentheses, editing of inputs, and displays both the expression and answer on separate lines. It also handles time calculations and large numbers up to 16 significant digits.

**Highlights:** Radix calculations (binary, octal, decimal, hexadecimal), Expression input with parentheses, Editable input history, Two-line display for expression and result, Time calculation with unit conversion, Large number support (up to 16 significant digits)

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

**In-app purchases:** none


## Frequently asked questions

### Is Convex Programmer's Calculator free?

Convex Programmer's Calculator is free to download, with no in-app purchases.

### Is ++Calc free?

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

### Do Convex Programmer's Calculator or ++Calc have ads?

++Calc shows ads; Convex Programmer's Calculator does not.

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

Convex Programmer's Calculator ships an update every 8 months, and ++Calc every 3 months. Most recently, Convex Programmer's Calculator was updated on September 27, 2026 and ++Calc on October 4, 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.*