Space Decks vs One Course
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Space Decks
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.
- 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
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Space Decks is a focused spaced-repetition flashcard app for iOS, built for learners who care about long-term retention and a clean studying experience. It is designed to feel simple on the surface while offering deep compatibility with professional-grade flashcard decks. • Spaced repetition scheduling designed for efficient memory reinforcement • Import full .apkg flashcard decks used by popular desktop tools • Cards render exactly as defined by their original templates • Supports basic cards, reversed cards, and cloze deletions • Conditional fields and advanced template logic are fully respected • Type-in-the-answer cards work as expected • Deck-specific styling and layouts are preserved • Native support for audio, images, and video • Automatic media playback during reviews • Sequential audio playback for language and listening decks • Replay and control media without leaving the study flow • Clean, distraction-free study interface • Familiar four-button grading system • Smooth transitions and fast card loading • Full offline support • Dark mode support • Older cards remain fully supported • Imported decks and manually created cards work together seamlessly • Safe data model that evolves without breaking existing collections • No accounts required • No tracking or analytics • No advertisements • All data stays on your device Space Decks is built by an independent developer and actively maintained with a strong focus on correctness, performance, and learning science. Future updates are planned to include mathematical notation support, advanced scheduling options, filtered decks, and optional syncing features. Space Decks is for learners who want a serious study tool that stays out of the way and lets the learning happen.
One Course
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Create and manage training courses in minutes. One Course lets teams turn knowledge into structured learning with AI powered course creation, quizzes, and certificates. Built for businesses that need fast, flexible, and scalable training without the complexity of traditional LMS platforms.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Space Decks | One Course |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 5 days — better | Weekly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Requires iOS | 17.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 4 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | Dor Pascal | One Course Pty Ltd |
In-app purchases
Space Decks
No in-app purchases
One Course
No in-app purchases
Questions
Is Space Decks free?
Is One Course free?
Do Space Decks or One Course have ads?
Which is updated more often, Space Decks or One Course?
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