Understanding Spaced Repetition in Foxxy
Learn how Foxxy's spaced repetition algorithm works, what the rating system means, and how to make the most of scientifically-backed study scheduling.
Understanding Spaced Repetition in Foxxy
Spaced repetition is the science-backed study method at the heart of Foxxy Flashcards. Instead of cramming everything in one session, you review cards at strategically increasing intervals — right before you are likely to forget them. The result? Stronger, longer-lasting memories with less total study time.
What Is Spaced Repetition?
Traditional studying often involves reading notes over and over, which feels productive but fades quickly. Spaced repetition flips this approach by focusing on when you review, not just how much.
The core principle is simple:
- New or difficult information is reviewed frequently — sometimes within minutes or hours.
- Well-known information is reviewed less often — days, weeks, or even months apart.
- Each successful recall pushes the next review further into the future.
This approach is based on the forgetting curve, a concept from cognitive psychology that describes how memories decay over time without reinforcement. Spaced repetition targets the optimal moment for reinforcement, making each review maximally effective.
How Foxxy’s Algorithm Works
Foxxy uses a modern spaced repetition algorithm that adapts to your personal learning patterns. Here is what happens behind the scenes:
- New cards start with a short initial interval. When you see a card for the first time, Foxxy expects you to review it again soon.
- After each review, the algorithm adjusts the card’s interval based on your rating (see below). Good ratings increase the interval; poor ratings decrease it.
- Difficulty is tracked per card. A card you consistently rate as “Easy” will appear less frequently over time, while a card you struggle with will come back sooner.
- The algorithm learns your patterns. Over multiple sessions, Foxxy fine-tunes intervals based on your actual recall performance, not just generic averages.
You do not need to understand the maths — just trust the system, study consistently, and let Foxxy handle the scheduling.
The Rating System: Again, Hard, Good, Easy
After revealing the answer on a card, you rate your recall with one of four options. Each choice tells Foxxy how to schedule the next review.
Again
You did not remember the answer, or your recall was completely wrong. The card will be shown again very soon — typically within the same session or the next day. This resets the card to a short interval so you get more practice.
Hard
You remembered, but it took significant effort or you were only partially correct. The card’s interval increases slightly, but less than it would with a “Good” rating. Use this when you got the answer but felt uncertain.
Good
You recalled the answer correctly with reasonable effort. This is the most common rating and the one you should use most of the time. The interval increases at the standard rate.
Easy
You recalled the answer instantly and effortlessly. The interval increases significantly, pushing the next review further into the future. Only use this when a card feels truly automatic — overusing “Easy” can lead to forgetting.
Which Rating Should I Choose?
A practical rule of thumb:
- Again — “I had no idea” or “I got it wrong.”
- Hard — “I got it, but I had to think really hard.”
- Good — “I knew it after a moment of thought.”
- Easy — “I knew it before I even finished reading the question.”
Being honest with your ratings is the single most important thing you can do for effective studying. Foxxy’s algorithm only works well if you give it accurate feedback.
Optimal Review Timing
For the best results with spaced repetition, keep these practices in mind:
Study Daily
Consistency matters more than session length. A short 10-15 minute daily session is far more effective than a three-hour marathon once a week. Foxxy’s review queue is designed around daily use.
Do Not Skip Due Cards
Cards appear in your review queue because the algorithm has determined it is the optimal time to review them. Skipping sessions causes cards to pile up and reduces the effectiveness of the spacing.
Review Before Adding New Cards
When you open a deck, start by working through your due reviews before adding new cards. This keeps your workload manageable and ensures existing knowledge stays strong.
Trust the Process
It is normal for the first week or two to feel slow. The real power of spaced repetition reveals itself over weeks and months, when you realise you can recall information from much earlier with surprisingly little effort.
Spaced Repetition and Different Study Modes
Foxxy offers multiple study modes that interact with the spaced repetition system:
- Smart Mode — Fully uses the spaced repetition algorithm to show you the right cards at the right time. This is the recommended default.
- Free Mode — Lets you browse all cards without affecting the algorithm schedule. Use this for casual review.
- Weak Topics Mode — Focuses on cards you have rated “Again” or “Hard” recently, giving you extra practice where you need it most.
- Exam Mode — Simulates a test environment with a limited number of cards and a timer.