Productivity & Automation
StackCards
21d agoStackCards is a focused flashcards app for iOS that lets users create and study cards on any subject—basic Q&A, vocabulary, formulas, or code snippets with syntax highlighting. It offers smart review modes, multiple study mixes, timed challenges, habit‑building streaks, organized collections with sub‑folders, color tags, instant search, drag‑and‑drop reordering, and full offline privacy. Premium unlocks unlimited collections, all themes, image support, and unlimited imports.
Multiple Card TypesSmart Review ModeStudy ModesOrganizational ToolsExport/ImportHabit Building FeaturesCustomizationPrivacy‑by‑DesignPremium Unlock
Key Capabilities
01
Multiple Card Types
Create basic question‑answer cards, vocabulary cards with translations, formula cards with a math symbols keyboard, and code cards with syntax‑highlighted snippets for 17+ languages.
02
Smart Review Mode
Automatically resurfaces cards you miss or haven’t seen recently to reinforce learning.
03
Study Modes
Choose from smart mix, hardest first, least reviewed, shuffle, or a beat‑the‑clock timed mode.
04
Organizational Tools
Group cards into collections and nested subfolders, apply color tags, use instant search, and drag‑and‑drop to reorder.
05
Export/Import
Export and import collections for sharing or backup, with unlimited import size in Premium.
06
Habit Building Features
Daily streak tracking, optional evening reminders, and unlockable themes after a 100‑day streak.
07
Customization
Light, dark, or system appearance; accent colors; animated backgrounds and card styles.
08
Privacy‑by‑Design
All data stays on the device; the app does not collect or track user data.
09
Premium Unlock
One‑time payment provides unlimited collections, all themes, image addition to cards, and unlimited imports without subscriptions.
Use Cases
Language LearningCreate vocabulary cards with translations and review them using smart mix to retain new words.Students and self‑learners studying foreign languages
Math & Science StudyBuild formula cards with math symbols and use the hardest‑first mode to master equations.High‑school and university students preparing for exams
Coding Interview PrepCreate code cards with syntax‑highlighted snippets and practice through timed mode to improve recall under pressure.Developers and programmers preparing for technical interviews
Daily Study HabitTrack daily streaks and receive evening reminders to maintain consistent study sessions.Anyone looking to build a regular learning routine
Exam Review OrganizerOrganize subject‑specific collections into subfolders, tag them with colors, and quickly search for needed cards during last‑minute revisions.Students revising for final exams
Update History
Updated 21d ago▲ 0% mentionsProduct HuntWeb