# Dad's Calculator vs LumiCalc

The clearest difference is in-app purchases: Dad's Calculator at none against LumiCalc's 1. LumiCalc's advantage is iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. LumiCalc sells 1 in-app purchase, starting at $2.99 per month. Dad's Calculator asks for nothing beyond the download.

## The numbers

| Metric | Dad's Calculator | LumiCalc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 days | — |
| Size | 30 MB | 3 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jaehun Kwon](https://appshunter.io/developer/1708326630) | [阳 赵](https://appshunter.io/developer/1863829449) |

## What reviewers say

### Dad's Calculator

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

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

**In-app purchases:** none


### LumiCalc

[App page](https://appshunter.io/ios/app/lumicalc/id6759085439)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Premium — Monthly | $2.99 | per month |


## Frequently asked questions

### Is Dad's Calculator free?

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

### Is LumiCalc free?

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

### Do Dad's Calculator or LumiCalc have ads?

Neither Dad's Calculator nor LumiCalc shows ads.

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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.*