# Calculator Sharp vs Calculator #1 for iPad

The clearest difference is rating: Calculator Sharp at 5.0 against Calculator #1 for iPad's 4.3. Calculator Sharp also leads on in-app purchases (none vs 11) and review sentiment (94% vs 74%). Calculator #1 for iPad's advantage is ads (none vs shown) and update cadence (every 10 days vs every 5 months). On price and iOS requirement there is nothing between them.

Both are free to download. Calculator #1 for iPad sells 11 in-app purchases, starting at $1.49 per month. Calculator Sharp asks for nothing beyond the download.

Calculator Sharp holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Calculator #1 for iPad has 57 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 94% of Calculator Sharp's written reviews are positive against 74% of Calculator #1 for iPad's.

Calculator Sharp ships an update every 5 months, Calculator #1 for iPad every 10 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Calculator Sharp | Calculator #1 for iPad |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/calculator-sharp/id882461576/reviews)** | [4.3 (57 ratings)](https://appshunter.io/ios/app/calculator-1-for-ipad/id1513523193/reviews) |
| Number of ratings | 5 | **57** |
| Positive reviews | **93.8% of reviews** | 73.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 10 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 31 MB | 43 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [锦文 游](https://appshunter.io/developer/406832160) | [PAI STUDIO, OOO](https://appshunter.io/developer/1477463978) |

## What reviewers say

### 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


### Calculator #1 for iPad

[App page](https://appshunter.io/ios/app/calculator-1-for-ipad/id1513523193)

This advanced scientific calculator offers a sleek design and powerful engineering functions for study, work, and daily tasks. Customize its appearance with monthly updated themes and utilize multitasking features for enhanced productivity on your device.

**Highlights:** Advanced scientific and engineering functions, Customizable design themes updated monthly, Portrait and landscape orientation, Multitasking support, Display of entire calculated expression, Trigonometric functions (degrees and radians)

**Features:** macOS Compatibility

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $1.49 | per month |
| Candy (EN) | $0.99 | one-time |
| SciFi (EN) | $0.99 | one-time |
| Wonderland (EN) | $0.99 | one-time |
| NeuBrutalism (EN) | $0.99 | one-time |
| AfterWorld (EN) | $0.99 | one-time |
| Sketch (EN) | $0.99 | one-time |
| Diablo (EN) | $0.99 | one-time |
| Steampunk (EN) | $0.99 | one-time |
| HiEnd (EN) | $0.99 | one-time |
| Steals (EN) | $0.99 | one-time |

**What reviewers like**

- 🚫 No ads
- 👍 Simple and intuitive UI
- 🚀 Fast and efficient
- ✨ Clean design
- 💰 Free to use

**What reviewers complain about**

- 🐛 Bugs and glitches
- 🤔 Non-standard interface
- 🔊 Sound stops music
- 🎛️ Inconsistent function implementation
- ⚠️ Unexpected behavior with parentheses

**Reported bugs**

- Keeps crashing on iOS 17
- Slide over mode: erase button not working
- Calculator turns off music when buttons are pressed
- Order of operations issues with %
- Previous result appends to new result

**Requested features**

- Add history of calculations
- Add dark/light mode
- Add support for Magic Keyboard
- Add gestures for deleting digits
- Add sound toggle for button presses


## Frequently asked questions

### Is Calculator Sharp free?

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

### Is Calculator #1 for iPad free?

Calculator #1 for iPad is free to download, with in-app purchases available.

### Which has better reviews, Calculator Sharp or Calculator #1 for iPad?

Calculator Sharp is rated higher. Calculator Sharp averages 5.0 out of 5 from 5 ratings, while Calculator #1 for iPad averages 4.3 from 57 ratings.

### Do Calculator Sharp or Calculator #1 for iPad have ads?

Calculator Sharp shows ads; Calculator #1 for iPad does not.

### Which is updated more often, Calculator Sharp or Calculator #1 for iPad?

Calculator Sharp ships an update every 5 months, and Calculator #1 for iPad every 10 days. Most recently, Calculator Sharp was updated on October 24, 2026 and Calculator #1 for iPad on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*