# Desktop Calculator vs Duca

The clearest difference is in-app purchases: Duca at none against Desktop Calculator's 1. Duca also leads on review sentiment (100% vs 75%) and update cadence (every 3 days vs fortnightly). Desktop Calculator's advantage is ratings volume (202 vs 1). On price, rating, ads and device support there is nothing between them.

Both are free to download. Desktop Calculator sells 1 one-off in-app purchase. Duca asks for nothing beyond the download.

Duca holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Desktop Calculator has 202 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 75% of Desktop Calculator's written reviews are positive against 100% of Duca's.

Desktop Calculator ships an update fortnightly, Duca every 3 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Desktop Calculator | Duca |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (202 ratings)](https://appshunter.io/ios/app/desktop-calculator-real-voice/id6450638014/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/duca-step-by-step-tech-help/id6737066104/reviews)** |
| Number of ratings | **202** | 1 |
| Positive reviews | 74.8% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 25 MB | 59 MB |
| Requires iOS | 17.0 | **13.4** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [6X Studio LLC](https://appshunter.io/developer/888749139) | [Andrew Duca](https://appshunter.io/developer/1364255321) |

## What reviewers say

### Desktop Calculator

[App page](https://appshunter.io/ios/app/desktop-calculator-real-voice/id6450638014)

Perform calculations directly from your home screen with interactive widgets. Customize themes, fonts, and even add unique sound effects for a personalized experience. Access quick calculations via Control Center and Lock Screen widgets.

**Highlights:** Home Screen Interactive Widgets, Real Voice Pronunciation (Male/Female), Display Calculation Formulas, Over 40 UI Themes, Custom Sound Effects, Customizable Fonts and Layouts, Lock Screen Widget

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Plan | $1.99 | one-time |


### Duca

[App page](https://appshunter.io/ios/app/duca-step-by-step-tech-help/id6737066104)

This app offers clear, step-by-step guidance for any technology-related question. It simplifies complex tech tasks, from social media to device troubleshooting, making technology accessible for everyone.

**Highlights:** Step-by-step tech support, Guides for various platforms, Troubleshooting assistance, Simplifies technology use, User-friendly interface

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

**In-app purchases:** none


## Frequently asked questions

### Is Desktop Calculator free?

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

### Is Duca free?

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

### Which has better reviews, Desktop Calculator or Duca?

Duca is rated higher. Desktop Calculator averages 4.8 out of 5 from 202 ratings, while Duca averages 5.0 from 1 ratings.

### Do Desktop Calculator or Duca have ads?

Neither Desktop Calculator nor Duca shows ads.

### Which is updated more often, Desktop Calculator or Duca?

Desktop Calculator ships an update fortnightly, and Duca every 3 days. Most recently, Desktop Calculator was updated on November 3, 2026 and Duca on October 30, 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.*