# Calculator vs Note Boss

The clearest difference is ads: Note Boss at none against Calculator's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Calculator sells 2 in-app purchases, starting at $0.99 per month and Note Boss sells 2 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Calculator | Note Boss |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (588 ratings)](https://appshunter.io/ios/app/calculator-pro/id1538600973/reviews)** | — |
| Number of ratings | **588** | — |
| Positive reviews | 63.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 59 MB | 56 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Appgeneration Software](https://appshunter.io/developer/386316599) | [Tom Voitik](https://appshunter.io/developer/1766411564) |

## What reviewers say

### Calculator

[App page](https://appshunter.io/ios/app/calculator-pro/id1538600973)

This app offers a versatile calculator with both basic and scientific functions. It includes advanced features like currency and unit conversions, customizable themes, and history tracking. Optimized for both portrait and landscape modes, it's designed for users needing precise calculations and conversions.

**Highlights:** Basic and scientific calculator, Currency converter, Unit converter, History and memory banks, Customizable themes, Portrait and landscape modes

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| myCalc - Calculator (1 month) | $0.99 | per month |
| Remove ads | $3.99 | one-time |

**What reviewers like**

- 👍 Very easy and intuitive to use
- 💰 Free to use without mandatory purchases
- 🔄 Multiple calculator modes (simple and scientific)
- 💱 Currency conversion functionality
- 📊 Visible calculation history on screen

**What reviewers complain about**

- 📢 Excessive and intrusive advertisements
- 📢 Ads appear before showing calculation results
- 🐛 Percentage calculations incorrect
- 🐛 Decimal place handling errors in continued calculations
- 🐛 History feature not functioning properly

**Reported bugs**

- Percentage calculation produces incorrect results (100+19%=100.19 instead of 119)
- Decimal places cause confusion in continued calculations
- History feature does not display entered operations
- App freezes or requires restart after ads
- Cannot input negative values for temperature conversions

**Requested features**

- Support for negative values in temperature calculations
- Ability to add custom currencies to the list
- Clear history button or selective equation deletion
- Better instructions and user guidance
- Standard calculator number grid layout


### Note Boss

[App page](https://appshunter.io/ios/app/note-boss/id6751428312)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $12.99 | per month |
| Annual Pro | $39.99 | per year |


## Frequently asked questions

### Is Calculator free?

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

### Is Note Boss free?

Note Boss is free to download, with in-app purchases available.

### Do Calculator or Note Boss have ads?

Calculator shows ads; Note Boss does not.

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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.*