Is Quizlet Plus Worth It for Spaced Repetition?
Quizlet Plus costs roughly $35 a year. I look at whether the new Memory Score and AI features actually replace a real spaced repetition system.
Hello there! If you are staring at the Quizlet checkout screen, you are likely trying to solve a specific problem. Maybe you have a midterm in two days, or maybe you are tired of seeing ads while trying to memorize anatomy diagrams.
Before we get into the numbers, a little about me. My name is Daniel. I am a third year engineering science student at the University of Toronto, specializing in machine intelligence. I also work on Nebulearn, which is an alternative to Quizlet. I have a clear conflict of interest here, but I also use these tools every day for my own courses.
The short answer is that Quizlet Plus is worth it if you need the specific "Magic Notes" AI features or if you study on a shared set that someone else already made. If you are looking for a rigorous spaced repetition system to keep facts in your head for a whole semester, the answer is more complicated.
What happened to Long-Term Learning
To understand if the current Plus tier is worth your money, we have to look at what Quizlet removed. A few years ago, Quizlet had a feature called Long-Term Learning. It was a genuine spaced repetition system (SRS) that told you exactly which cards to study each day based on how well you knew them.
Quizlet retired that feature. They replaced the old "Long-Term" tab with a "Memory Score" system. While it uses some spacing logic, it does not function like a traditional due queue. In a standard SRS, you open the app and see "25 cards due today." In Quizlet Plus, the focus has shifted back toward "Learning" a set in a single sitting rather than managing a calendar of reviews.
If your goal is to build a massive deck of 2,000 cards and see them at perfect intervals over six months, Quizlet Plus might frustrate you. It is designed for the "unit by unit" workflow where you master a set and move on.
The cost of Quizlet Plus versus Free
As of late 2024, Quizlet Plus typically costs around $35.99 per year. They occasionally offer monthly plans, but they are significantly more expensive over time.
The free version of Quizlet has become increasingly restrictive. You can still create sets and use Basic Flashcards, but the "Learn" mode and "Test" mode are limited behind a paywall after a certain number of rounds.
| Feature | Quizlet Free | Quizlet Plus ($35.99/yr) |
|---|---|---|
| Learn Mode | Limited rounds | Unlimited |
| Spaced Repetition | None | Memory Score (Basic) |
| AI Features | None | Magic Notes / Q-Chat |
| Offline Access | No | Yes |
| Ads | Yes | No |
The "Magic Notes" feature is the primary reason most people upgrade now. You can upload a PDF or paste lecture notes, and it generates flashcards for you. This is a massive time saver, but you are essentially paying for the convenience of not typing your own cards.
Why the Memory Score is not FSRS
If you have spent any time in the medical school or language learning communities, you have probably heard of FSRS (Free Spaced Repetition Scheduler). It is currently the gold standard for memory algorithms.
Quizlet does not use FSRS. Their spacing logic is proprietary and built to be "approachable." This means it is very good at making sure you don't fail a test tomorrow, but it is less efficient at long-term retention than tools built specifically for SRS.
When you use a tool like Anki, the algorithm calculates the exact moment you are about to forget a card. Quizlet Plus feels more like a "study coach" that suggests what to look at next, but it does not have that same mathematical rigor. If you want to understand the difference in depth, I wrote a guide on why Quizlet is not spaced repetition.
Better alternatives for the price
If you are a student on a budget, $36 a year is not nothing. Depending on your bottleneck, there are other ways to spend that money (or keep it).
- Anki: If you are on Android or Desktop, Anki is free. If you are on iPhone, AnkiMobile is a one-time cost of about $25. It is a steeper learning curve, but it is a "buy it once and own it forever" model with a much more powerful SRS.
- Nebulearn: I work on this, so take it with a grain of salt. Free tier is 1,000 saved questions and 40 weekly AI credits. FSRS is on by default.
- RemNote: If you like taking notes and having flashcards automatically generated from your outlines, RemNote is a strong contender. It is better for "linked" knowledge than Quizlet.
If you are looking for other options that don't cost a monthly subscription, check out my list of the best free Anki alternatives.
When you should definitely buy it
Despite the lack of a hardcore SRS, there are two scenarios where I still tell people to just pay for Quizlet Plus.
The first is if your entire study group uses a single Quizlet folder. If your classmates have already done the work of making 500 cards for the final, and you just need to cram them, the $36 is worth the hours of life you save. You are paying for the content, not the app.
The second is if you are a heavy user of "Diagrams." Quizlet’s UI for clicking on parts of an image to identify them is still very polished. If you are studying anatomy or geography, that specific interaction is often better on Quizlet than on more technical apps.
The verdict
Quizlet Plus is worth it if you prioritize speed and content availability over long-term memory efficiency. It is great for a student who wants to upload a PDF, get some cards, and pass a test this Friday.
It is not worth it if you are looking for a serious spaced repetition tool to help you remember information for years. The removal of the Long-Term Learning tab was a signal that Quizlet is moving toward being an AI-tutor platform rather than a memory platform.
If your bottleneck is the cost or the lack of real spaced repetition, you might find more value elsewhere. You can see how we handle these same features in my breakdown of Nebulearn vs Anki.