# Calculator Express with Notes vs Dumsor

The clearest difference is in-app purchases: Dumsor at none against Calculator Express with Notes's 2. Dumsor also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Calculator Express with Notes sells 2 one-off in-app purchases. Dumsor asks for nothing beyond the download.

Calculator Express with Notes ships an update monthly, Dumsor every 2 weeks. The most recent releases landed on October 7, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Calculator Express with Notes | Dumsor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (43 ratings)](https://appshunter.io/ios/app/calculator-express-with-notes/id1604079825/reviews)** | — |
| Number of ratings | **43** | — |
| Positive reviews | 69.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 28 MB | 57 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RAMAN KHVASHCHEUSKI](https://appshunter.io/developer/1437493298) | [Fritz Quaye](https://appshunter.io/developer/1650279285) |

## What reviewers say

### 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 |


### Dumsor

[App page](https://appshunter.io/ios/app/dumsor/id6764047705)

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

**In-app purchases:** none


## Frequently asked questions

### Is Calculator Express with Notes free?

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

### Is Dumsor free?

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

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

Calculator Express with Notes shows ads; Dumsor does not.

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

Calculator Express with Notes ships an update monthly, and Dumsor every 2 weeks. Most recently, Calculator Express with Notes was updated on October 7, 2026 and Dumsor on October 18, 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.*