A small library to begin with

Start with a deck.
Make it yours.

Explore curated decks for languages, music, mathematics, programming and science. They are useful starting points — but the real magic is making a deck for exactly what you want to remember.

11 curated decks 886 cards Free to explore
retrievalWhat makes a memory last?
music theoryIntervals, patterns, structure.
JustFlip · curatedWhat would you like to remember?
Make the next review count.

The better starting point

Your material is the real deck.

JustFlip includes AI-assisted workflows for turning notes, articles, books, lectures and ideas into importable flashcards. Start with a curated deck when it helps. Then make one that belongs to you.

Learn about the AI workflow

Curated collection

Something worth
remembering.

Download a deck, open it in JustFlip, and begin reviewing. Every deck is available in the app's supported languages.

Japanese

Both kana syllabaries in full — gojūon, voiced and plosive forms, contracted combinations, and the reading rules that the charts leave out.

218 cards · Download the deck

Mathematics

Secondary-school and first-year formulas — algebra, logarithms, trigonometry, derivatives and solid geometry, rendered as real maths.

108 cards · Download the deck

Chord Structure by Intervals

Build any chord from scale degrees — triads, sevenths, sixths, suspensions and added notes.

20 cards · Download the deck

Key Signatures — Major

Recognise all fifteen major key signatures on the grand staff.

15 cards · Download the deck

Key Signatures — Minor

Recognise all fifteen minor key signatures on the grand staff.

15 cards · Download the deck

Notes on the Staff — Bass

Name every note on the bass staff, from two ledger lines below to two above.

17 cards · Download the deck

Notes on the Staff — Treble

Name every note on the treble staff, from two ledger lines below to two above.

18 cards · Download the deck

Kotlin

The Kotlin language end to end — syntax, null safety, classes, coroutines, generics, multiplatform source sets and the Gradle commands you actually type.

90 cards · Download the deck

Swift

The Swift language itself — types, collections, control flow, closures, value and reference semantics, protocols, optionals and error handling.

76 cards · Download the deck

SwiftUI

Building interfaces with SwiftUI — state and bindings, layout, navigation, animation, observation, persistence, networking and accessibility.

165 cards · Download the deck

Electronics

Circuit fundamentals through to practical work — laws, components, digital buses, microcontrollers, motor drivers and how to measure it all without damaging anything.

144 cards · Download the deck

Bring your own curiosity

The best deck is the one
you need today.

Start with a curated deck, import from Anki, or create something completely your own with AI-assisted workflows and JustFlip’s calm review engine.

Download on the App Store