# Space Decks vs One Course

The clearest difference is iOS requirement: One Course at 15.1 against Space Decks's 17.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Space Decks ships an update every 5 days, One Course weekly. The most recent releases landed on September 7, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Space Decks | One Course |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/space-decks/id6757076853/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Weekly |
| Monetization | Free | — |
| Size | 4 MB | 40 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dor Pascal](https://appshunter.io/developer/1773249483) | [One Course Pty Ltd](https://appshunter.io/developer/1864853486) |

## What reviewers say

### Space Decks

[App page](https://appshunter.io/ios/app/space-decks/id6757076853)

This app uses spaced repetition to help you memorize information for the long term. It supports importing existing flashcard decks and offers a clean, distraction-free study interface with full offline capabilities.

**Highlights:** Spaced repetition scheduling, Import .apkg flashcard decks, Supports basic, reversed, and cloze cards, Native audio, image, and video support, Clean, distraction-free interface, Full offline support, Dark mode support

**Features:** Vision Pro support

**In-app purchases:** none


### One Course

[App page](https://appshunter.io/ios/app/one-course/id6757144880)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Space Decks free?

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

### Is One Course free?

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

### Do Space Decks or One Course have ads?

Neither Space Decks nor One Course shows ads.

### Which is updated more often, Space Decks or One Course?

Space Decks ships an update every 5 days, and One Course weekly. Most recently, Space Decks was updated on September 7, 2026 and One Course on September 15, 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.*