# Calculator Widget vs Katalog

The clearest difference is ads: Katalog at none against Calculator Widget's shown. Katalog also leads on update cadence (every 10 days vs every 2 months) and iOS requirement (13.0 vs 26.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Calculator Widget ships an update every 2 months, Katalog every 10 days. The most recent releases landed on October 21, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Calculator Widget | Katalog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (16 ratings)](https://appshunter.io/ios/app/calculator-widget-calc-notes/id1621221370/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | Ad-supported | — |
| Size | 10 MB | 56 MB |
| Requires iOS | 26.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [FugaPiyo Inc.](https://appshunter.io/developer/1497887610) | [103 NPT DIGITAL TECHNOLOGY PLC.](https://appshunter.io/developer/1708852072) |

## What reviewers say

### Calculator Widget

[App page](https://appshunter.io/ios/app/calculator-widget-calc-notes/id1621221370)

This free calculator app offers a widget for quick access and extensive history management. Save, reuse, and organize calculations with unlimited history and folders, all with customizable options and dark mode support.

**Highlights:** Home screen widget support, Unlimited calculation history, Unlimited folders, Calculation history memo, Reuse of formula and results, Dark mode support

**Features:** Vision Pro support

**In-app purchases:** none


### Katalog

[App page](https://appshunter.io/ios/app/katalog/id6744877299)

**In-app purchases:** none


## Frequently asked questions

### Is Calculator Widget free?

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

### Is Katalog free?

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

### Do Calculator Widget or Katalog have ads?

Calculator Widget shows ads; Katalog does not.

### Which is updated more often, Calculator Widget or Katalog?

Calculator Widget ships an update every 2 months, and Katalog every 10 days. Most recently, Calculator Widget was updated on October 21, 2026 and Katalog on October 6, 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.*