# Max Calc vs Dad's Calculator

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

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

Max Calc ships an update every 9 days, Dad's Calculator every 2 days. Both last shipped on November 3, 2026.

## The numbers

| Metric | Max Calc | Dad's 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 | No |
| Update frequency | Every 9 days | **Every 2 days** |
| Monetization | Free | — |
| Size | 8 MB | 31 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) | [Jaehun Kwon](https://appshunter.io/developer/1708326630) |

## 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 |


### Dad's Calculator

[App page](https://appshunter.io/ios/app/dads-calculator/id6467169159)

**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 Dad's Calculator free?

Dad's Calculator is free to download, with no in-app purchases.

### Do Max Calc or Dad's Calculator have ads?

Neither Max Calc nor Dad's Calculator shows ads.

### Which is updated more often, Max Calc or Dad's Calculator?

Max Calc ships an update every 9 days, and Dad's Calculator every 2 days. Most recently, Max Calc was updated on November 3, 2026 and Dad's Calculator on November 3, 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.*