# Simple Hex Calc vs Calculator° HD

The clearest difference is price: Calculator° HD at Free against Simple Hex Calc's $0.99. Calculator° HD also leads on rating (5.0 vs 4.5) and iOS requirement (9.0 vs 27.0). Simple Hex Calc's advantage is update cadence (every 5 months vs every 74 months) and ratings volume (8 vs 2). On review sentiment, ads, in-app purchases and device support there is nothing between them.

Calculator° HD is free to download; Simple Hex Calc costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Calculator° HD holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 8 and 2 respectively. Written reviews point the same way: 94% of Simple Hex Calc's written reviews are positive against 100% of Calculator° HD's.

Simple Hex Calc ships an update every 5 months, Calculator° HD every 74 months. The most recent releases landed on October 31, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Simple Hex Calc | Calculator° HD |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [4.5 (8 ratings)](https://appshunter.io/ios/app/simple-hex-calc/id335773208/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/calculator-hd/id590208623/reviews)** |
| Number of ratings | **8** | 2 |
| Positive reviews | 94.4% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 74 months |
| Monetization | Paid | **Free** |
| Size | 1 MB | 20 MB |
| Requires iOS | 27.0 | **9.0** |
| Devices | **iPhone, iPad** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hiroki Ishiura](https://appshunter.io/developer/335773211) | [宗明 杨](https://appshunter.io/developer/854194764) |

## What reviewers say

### Simple Hex Calc

[App page](https://appshunter.io/ios/app/simple-hex-calc/id335773208)

This utility app provides IT programmers with a pocket calculator for performing arithmetic and logical operations on numbers in various bases. It offers extensive configuration options for bit length, signed/unsigned modes, and data display formats, with a reference manual included.

**Highlights:** Arithmetic and logical operations, Multiple number base support (2/8/10/16), Bit shift, rotate, set, clear, and order operations, Memory operations (save, load, swap), Configurable bit length and signed/unsigned modes, Cut, copy, and paste results, Reference manual included

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

**In-app purchases:** none


### Calculator° HD

[App page](https://appshunter.io/ios/app/calculator-hd/id590208623)

This utility app offers a user-friendly and aesthetically pleasing calculator experience specifically designed for iPads. It supports handwriting input and includes a range of scientific functions for complex calculations.

**Highlights:** Handwriting support, Scientific functions, iPad optimized design, User-friendly interface, Aesthetic design

**In-app purchases:** none


## Frequently asked questions

### Is Simple Hex Calc free?

Simple Hex Calc costs $0.99, with no in-app purchases.

### Is Calculator° HD free?

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

### Which has better reviews, Simple Hex Calc or Calculator° HD?

Calculator° HD is rated higher. Simple Hex Calc averages 4.5 out of 5 from 8 ratings, while Calculator° HD averages 5.0 from 2 ratings.

### Do Simple Hex Calc or Calculator° HD have ads?

Neither Simple Hex Calc nor Calculator° HD shows ads.

### Which is updated more often, Simple Hex Calc or Calculator° HD?

Simple Hex Calc ships an update every 5 months, and Calculator° HD every 74 months. Most recently, Simple Hex Calc was updated on October 31, 2026 and Calculator° HD on November 1, 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.*