# Cardion vs Leitner Mind

The clearest difference is ads: Cardion at none against Leitner Mind's shown. Leitner Mind's advantage is iOS requirement (15.1 vs 17.0). On price, in-app purchases and device support 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 | Cardion | Leitner Mind |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Every 4 months |
| Size | 1 MB | 21 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tom Ross](https://appshunter.io/developer/1747746005) | [WCANX](https://appshunter.io/developer/1768243472) |

## What reviewers say

### Cardion

[App page](https://appshunter.io/ios/app/cardion/id6503001644)

**In-app purchases:** none


### Leitner Mind

[App page](https://appshunter.io/ios/app/leitner-mind-learn-fast/id6749334753)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Cardion free?

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

### Is Leitner Mind free?

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

### Do Cardion or Leitner Mind have ads?

Leitner Mind shows ads; Cardion does not.

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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.*