# Calculightning 0 vs KOMBI

The clearest difference is price: KOMBI at Free against Calculightning 0's $2.99. Calculightning 0's advantage is device support (3 vs 1) and iOS requirement (8.0 vs 11.0). On ads and in-app purchases there is nothing between them.

KOMBI is free to download; Calculightning 0 costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Calculightning 0 | KOMBI |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 5 months |
| Monetization | Paid | — |
| Size | 56 MB | 104 MB |
| Requires iOS | **8.0** | 11.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ernst Klett Verlag GmbH, Stuttgart](https://appshunter.io/developer/751540887) | [Karina Hoeveler](https://appshunter.io/developer/1626071083) |

## What reviewers say

### Calculightning 0

[App page](https://appshunter.io/ios/app/calculightning-0/id1475767736)

This educational app helps children practice essential math skills through engaging exercises. Developed with pedagogical expertise, it offers multiple difficulty levels and a vast array of problems for independent learning.

**Highlights:** Award-winning pedagogical method, Practice 6 general task types, Different levels of difficulty, Large pool of tasks, Independent learning

**Features:** macOS Compatibility

**In-app purchases:** none


### KOMBI

[App page](https://appshunter.io/ios/app/kombi/id1626071081)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calculightning 0 free?

Calculightning 0 costs $2.99, with no in-app purchases.

### Is KOMBI free?

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

### Do Calculightning 0 or KOMBI have ads?

Neither Calculightning 0 nor KOMBI 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.*