PuzzlePage
Every card checked, and we say which way

Every one of these 7,178 flashcards was checked before it went on sale.

78 ready-made decks — maths, science, Spanish, French, German, Japanese kana, medical terminology, music theory and more. 5,420 cards were read end to end by a subject specialist; the other 1,758 each cite two independent published sources and were re-verified by a second specialist. Play free in any browser. No login. No install.

Pay for one deck, or for the shelf

One deck — $2.99, once
Every card in that deck, forever, to play online and as a printable. The middle buyable deck unlocks 90 more cards and the biggest is medical terminology word parts at 479. No renewal, no account.
Study Pack — $11.99 a month
All 78 decks, all 7,178 cards, no ads, plus printable downloads of every deck. 5 decks bought singly costs $14.95, so the month pays for itself at 5.

Every deck, printables included. Needs a free account so your decks follow you between devices. Cancel any time.

You never have to buy blind. The first 30 cards of every deck are free to play and free to download, with no account — 2,106 free cards — so you can check them against your own textbook first. 30 of the decks are no longer than 30 cards, so those play free in full.

  • Audited, not crowdsourced. A chemist read the periodic table. An anatomist read the bones. Every card, not a sample.
  • Two ways to run it. Practice flips through, nothing scored. Quiz times you and gives a result to send to a friend.
  • Printables included. Study Pack gives you every deck as double-sided cards to cut up, as well as on screen.

Why pay for flashcards when free ones exist

Because free sets are free for a reason: nobody is accountable for them. The cost of a wrong card is not $2.99 — it is the twenty minutes spent memorising something false and the mark lost using it. Anki is a scheduling engine with no cards in it. Quizlet is a place where anyone can publish a set, which is why one search returns forty sets that disagree with each other. Neither company checks the facts, because on their model the cards are not theirs. These are ours.

Four things the audit found

In our own product, before it went on sale. This is the closest thing to proof we can offer, and it is a record of us finding fault with ourselves.

Physics formulas
Every formula was algebraically correct, and every one was stated without the conditions that make it true. v = v₀ + at holds only for constant acceleration. All of them were corrected to carry their conditions.
Financial literacy
The return-on-investment card carried a formula that returned −80% when you ran it on the card’s own example numbers. Found before sale, fixed before sale.
US civics
The deck taught the 2008 citizenship test after USCIS had moved applicants to the newer edition. It was withdrawn from sale rather than patched, which is why you cannot buy it here.
Dolch and Fry sight words
Checked against the published lists and found identical, level labels and all — and every Fry card sits at its true frequency rank. Verified rather than assumed.

All 78 decks, with their real card counts

No “1,000+ cards”, no “and many more”. Every deck, every count, and a link to play the free 30 of each. They add to 7,178. You can check that.

The cards are already written. The mistakes are already found.

Start with 2106 free cards and no account. Unlock a full deck for $2.99 when one of them turns out to be the one you need. Take the whole shelf for $11.99 a month if you are running more than 4.

Every deck, printables included. Needs a free account so your decks follow you between devices. Cancel any time.

Questions

What is the PuzzlePage Study Pack?
Study Pack is a $11.99-a-month subscription at puzzlepage.app that unlocks every card in all 78 of PuzzlePage's ready-made flashcard decks — 7,178 cards — with no ads and with printable downloads of every deck included. The decks cover maths, English and reading, science, Spanish, French, German, Japanese kana, social studies, computer science, medical terminology, financial literacy, music theory and art. The cards play in any web browser with nothing to install.
Do I have to subscribe to use PuzzlePage flashcards?
No. The first 30 cards of every deck are free forever, to play and to download, with no account — that is 2,106 free cards across 78 decks, and 30 of those decks are no longer than 30 cards so they play free in full. Unlocking every card in a single deck is a one-time $2.99 with no renewal and no account needed. Study Pack at $11.99 a month is only worth it once you want more than 4 decks, or want the printables.
Are PuzzlePage's flashcards fact-checked?
Yes, and it is worth saying exactly how, because the 78 decks were checked two different ways. 5,420 cards across 30 decks were read end to end by subject-matter specialists — a chemist on the periodic table, an anatomist on the bones and muscles, a physicist on the formulas, a phonetician on the homophones. That audit made real corrections, including restating every physics formula to carry the conditions that make it true, and one deck on US civics was withdrawn from sale entirely because it taught a superseded edition of the citizenship test. The other 1,758 cards across 48 decks were built the other way round: every card cites two independent published sources, a script refuses the card if the two disagree, and a second specialist then re-verified them from sources of their own.
What happens if I cancel Study Pack?
Cancelling stops future billing and keeps your access running to the end of the period you have already paid for. After that the free first 30 cards of every deck remain available, as they are to everyone, with no account required. Any single deck you bought outright for $2.99 is unaffected — that purchase is one-time and does not expire.
Can teachers use PuzzlePage flashcards in class?
Yes. The decks run in a browser on a projector, a Chromebook cart or students' own devices, with no student logins to create and nothing for IT to install. No student accounts are made and no student data is stored. The free 30 cards of every deck can be used in class at no cost; Study Pack adds printable downloads of all 78 decks for cover lessons, stations, and students without a device at home.

Teaching from these? Study Pack includes the printable version of every deck, and the rest of the classroom tools — answer sheets, exit tickets, matching worksheets, name tags — are free to use, every year. See the classroom tools.

Prices in USD. $2.99 is a one-time payment for one deck. $11.99 is monthly and cancellable at any time. Found a card you think is wrong? Tell us — we fix them and we say what we changed.