# Max Calc vs Dual Calculator

The clearest difference is in-app purchases: Dual Calculator at none against Max Calc's 2. Dual Calculator also leads on iOS requirement (15.0 vs 17.0). Max Calc's advantage is ads (none vs shown) and update cadence (every 9 days vs every 5 months). On price and device support there is nothing between them.

Both are free to download. Max Calc sells 2 one-off in-app purchases. Dual Calculator asks for nothing beyond the download.

Max Calc ships an update every 9 days, Dual Calculator every 5 months. The most recent releases landed on September 30, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Max Calc | Dual Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/max-calc/id6463495098/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 9 days** | Every 5 months |
| Monetization | Free | — |
| Size | 8 MB | 33 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Anatolii Mazkun](https://appshunter.io/developer/1697280298) | [Huzaib Sayyed](https://appshunter.io/developer/1778310247) |

## What reviewers say

### Max Calc

[App page](https://appshunter.io/ios/app/max-calc/id6463495098)

This app offers a versatile calculation suite, combining standard, scientific, developer, and accounting functions. It also includes a unit converter and tools for health and date calculations, all within a user-friendly interface.

**Highlights:** Standard and Scientific Calculator, Developer Calculator (hex, binary), Accounting Calculator, 130+ Unit Converter, Body and Date/Time Calculator, History tracking, Customizable result formatting

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 5 days Free Using  All Premium | Free | one-time |
| Premium features | $4.99 | one-time |


### Dual Calculator

[App page](https://appshunter.io/ios/app/dual-calculator-split-screen/id6738931674)

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

**In-app purchases:** none


## Frequently asked questions

### Is Max Calc free?

Max Calc is free to download, with in-app purchases available.

### Is Dual Calculator free?

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

### Do Max Calc or Dual Calculator have ads?

Dual Calculator shows ads; Max Calc does not.

### Which is updated more often, Max Calc or Dual Calculator?

Max Calc ships an update every 9 days, and Dual Calculator every 5 months. Most recently, Max Calc was updated on September 30, 2026 and Dual Calculator on October 4, 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.*