# Duel vs Advanced Calculator. HIgh

The clearest difference is device support: Advanced Calculator. HIgh at 2 against Duel's —. Duel's advantage is iOS requirement (13.0 vs 26.0). On price and in-app purchases there is nothing between them.

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

## The numbers

| Metric | Duel | Advanced Calculator. HIgh |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/advanced-calculator-high-tech/id6754898336/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 6 weeks |
| Monetization | — | Free |
| Size | 93 MB | 3 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Maximilian Hemme](https://appshunter.io/developer/1657407562) | [Martha G Korra](https://appshunter.io/developer/1850850935) |

## What reviewers say

### Duel

[App page](https://appshunter.io/ios/app/duel-desk/id1661032321)

**In-app purchases:** none


### Advanced Calculator. HIgh

[App page](https://appshunter.io/ios/app/advanced-calculator-high-tech/id6754898336)

This app combines a basic, scientific, and graphing calculator with a unit converter. It offers advanced mathematical functions, equation plotting, and seamless unit conversions for various needs. Access your calculation history across all modes.

**Highlights:** Basic, Scientific, and Graphing Calculators, Advanced Mathematical Functions, Real-time Function Plotting, Smart Unit Converter (Length, Weight, Temp, Area, Volume), Calculation History, Customizable Expressions

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

**In-app purchases:** none


## Frequently asked questions

### Is Duel free?

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

### Is Advanced Calculator. HIgh free?

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

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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.*