# Cardion vs Spaced.

The clearest difference is in-app purchases: Cardion at none against Spaced.'s 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Spaced. sells 2 one-off in-app purchases. Cardion asks for nothing beyond the download.

## The numbers

| Metric | Cardion | Spaced. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/spaced/id6762540303/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 5 months |
| Monetization | — | Free |
| Size | 1 MB | 6 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tom Ross](https://appshunter.io/developer/1747746005) | [Clement Boissiere](https://appshunter.io/developer/1696386692) |

## What reviewers say

### Cardion

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

**In-app purchases:** none


### Spaced.

[App page](https://appshunter.io/ios/app/spaced/id6762540303)

This minimalist flashcard app helps you remember information through spaced repetition. Create custom decks with text, images, or audio, and review efficiently by focusing on what you need to learn. It's designed for privacy with no ads or tracking.

**Highlights:** Spaced repetition learning, Customizable decks, Text, image, and audio cards, AI-assisted deck creation, Starter decks included, Private by design, no ads or tracking

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $4.99 | one-time |
| Large Tip | $9.99 | one-time |


## Frequently asked questions

### Is Cardion free?

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

### Is Spaced. free?

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

### Do Cardion or Spaced. have ads?

Neither Cardion nor Spaced. 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.*