# Calc Pro HD vs Calculator Sharp

The clearest difference is in-app purchases: Calculator Sharp at none against Calc Pro HD's 10. Calculator Sharp also leads on rating (5.0 vs 4.7) and device support (3 vs 1). Calc Pro HD's advantage is ratings volume (1.5K vs 5) and update cadence (every 3 months vs every 5 months). On price and ads there is nothing between them.

Both are free to download. Calc Pro HD sells 10 one-off in-app purchases. Calculator Sharp asks for nothing beyond the download.

Calculator Sharp holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Calc Pro HD has 1.5K ratings behind it against 5, so its average is the more settled of the two.

Calc Pro HD ships an update every 3 months, Calculator Sharp every 5 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Calc Pro HD | Calculator Sharp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (1.5K ratings)](https://appshunter.io/ios/app/calc-pro-hd-ipad-calculator/id457004119/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/calculator-sharp/id882461576/reviews)** |
| Number of ratings | **1.5K** | 5 |
| Positive reviews | — | 93.8% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 59 MB | 31 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Panoramic Software Inc.](https://appshunter.io/developer/329216366) | [锦文 游](https://appshunter.io/developer/406832160) |

## What reviewers say

### Calc Pro HD

[App page](https://appshunter.io/ios/app/calc-pro-hd-ipad-calculator/id457004119)

This app offers a comprehensive suite of 10 powerful calculators and 10 financial worksheets, designed to replace your physical calculator. It includes scientific, graphing, unit conversion, and financial tools, catering to students and professionals for a wide range of calculations.

**Highlights:** 10 powerful calculators, 10 financial worksheets, Scientific calculator with RPN, Graphing calculator, Unit converter (3000+ conversions), World currencies converter, Date & Time calculator

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Base Conversions | $0.99 | one-time |
| Date & Time Calculator | $0.99 | one-time |
| Design Pack | $0.99 | one-time |
| Graphing Calculator | $0.99 | one-time |
| Statistics Calculator | $0.99 | one-time |
| World Currencies | $0.99 | one-time |
| Constants | $1.99 | one-time |
| Financial Calculator | $1.99 | one-time |
| Unit Converter | $1.99 | one-time |
| Full Version | $7.99 | one-time |

**What reviewers like**

- 🚀 Comprehensive features
- 👍 Easy to use
- 💡 Versatile with various calculators
- 🔒 No ads in free version
- 👍 Large, clear buttons

**What reviewers complain about**

- 🐛 Conversion errors
- 💰 Expensive to unlock all features
- 🐛 Crashes and compatibility issues
- 🔒 Requires re-purchasing on new devices

**Reported bugs**

- Crashes on iOS 14.3
- Currency converter not updating

**Requested features**

- Bluetooth keyboard support
- Statistical functions
- Landscape mode on iPad
- Improved date/time calculator


### Calculator Sharp

[App page](https://appshunter.io/ios/app/calculator-sharp/id882461576)

This calculator app offers ultra-high precision with up to 37 digits of accuracy. It supports a wide range of complex mathematical functions, including trigonometric, logarithmic, and integral operations, along with step-by-step calculation display and undo/redo functionality.

**Highlights:** Ultra-high precision (37 digits), Supports complex mathematical operations, Displays calculation steps, Undo and redo functionality, Multiple number base conversions, WYSIWYG interface

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

**In-app purchases:** none


## Frequently asked questions

### Is Calc Pro HD free?

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

### Is Calculator Sharp free?

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

### Which has better reviews, Calc Pro HD or Calculator Sharp?

Calculator Sharp is rated higher. Calc Pro HD averages 4.7 out of 5 from 1.5K ratings, while Calculator Sharp averages 5.0 from 5 ratings.

### Do Calc Pro HD or Calculator Sharp have ads?

Both Calc Pro HD and Calculator Sharp show ads.

### Which is updated more often, Calc Pro HD or Calculator Sharp?

Calc Pro HD ships an update every 3 months, and Calculator Sharp every 5 months. Most recently, Calc Pro HD was updated on October 24, 2026 and Calculator Sharp on October 24, 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.*