# Calculator Pro vs Calculator Express with Notes

The clearest difference is rating: Calculator Pro at 5.0 against Calculator Express with Notes's 4.5. Calculator Pro also leads on ads (none vs shown) and review sentiment (100% vs 69%). Calculator Express with Notes's advantage is ratings volume (48 vs 4). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. Calculator Pro sells 3 in-app purchases, starting at $1.99 per 7 days and Calculator Express with Notes sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Calculator Pro holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Calculator Express with Notes has 48 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 100% of Calculator Pro's written reviews are positive against 69% of Calculator Express with Notes's.

Calculator Pro ships an update every 3 weeks, Calculator Express with Notes monthly. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Calculator Pro | Calculator Express with Notes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/calculator-pro-math-on-watch/id1503448955/reviews)** | [4.5 (48 ratings)](https://appshunter.io/ios/app/calculator-express-with-notes/id1604079825/reviews) |
| Number of ratings | 4 | **48** |
| Positive reviews | **100.0% of reviews** | 69.2% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Freemium | Free with in-app purchases |
| Size | 69 MB | 28 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPod, Apple Watch | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Vulcan Labs Company Limited](https://appshunter.io/developer/1263008826) | [RAMAN KHVASHCHEUSKI](https://appshunter.io/developer/1437493298) |

## What reviewers say

### Calculator Pro

[App page](https://appshunter.io/ios/app/calculator-pro-math-on-watch/id1503448955)

Perform basic and complex calculations on your Apple Watch and iPhone. Access a history of your equations and edit them. Upgrade for advanced features like currency conversion and ad-free experience.

**Highlights:** Basic & Complex Calculations, History Records, Edit Equation, Dark Mode Support, Currency Converter, Fraction Calculator

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $1.99 | per 7 days |
| Monthly Premium | $4.49 | per month |
| Lifetime Premium | $49.99 | one-time |


### Calculator Express with Notes

[App page](https://appshunter.io/ios/app/calculator-express-with-notes/id1604079825)

A beautifully designed utility app offering six essential tools, including currency, unit, and percentage converters, plus calculators for BMI, tips, and world time. Users can customize the app's appearance and manage calculation history with notes and labels.

**Highlights:** Currency converter, Unit converter, Percentage calculator, BMI calculator, Tip calculator, World time converter, Customizable appearance, Calculation history with notes

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads -50% off | $1.99 | one-time |
| Remove Ads | $4.99 | one-time |


## Frequently asked questions

### Is Calculator Pro free?

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

### Is Calculator Express with Notes free?

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

### Which has better reviews, Calculator Pro or Calculator Express with Notes?

Calculator Pro is rated higher. Calculator Pro averages 5.0 out of 5 from 4 ratings, while Calculator Express with Notes averages 4.5 from 48 ratings.

### Do Calculator Pro or Calculator Express with Notes have ads?

Calculator Express with Notes shows ads; Calculator Pro does not.

### Which is updated more often, Calculator Pro or Calculator Express with Notes?

Calculator Pro ships an update every 3 weeks, and Calculator Express with Notes monthly. Most recently, Calculator Pro was updated on November 3, 2026 and Calculator Express with Notes on November 7, 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.*