Vaia
The all-in-one study app that makes learning easy
Founded
2017
Starting Price
$0
Category
Education & Learning
Last updated June 14, 2026
About Vaia
Vaia (formerly StudySmarter outside the DACH region) is an AI-powered learning platform that combines smart flashcards, notes, study plans, and an AI study assistant in a single app. It also provides free explanations and textbook solutions across dozens of school and university subjects, used by over 40 million learners on web, iOS, and Android.
Pros & Cons
Pros
- Genuinely useful free tier with flashcards, notes, study plans, and explanations at no cost
- Large library of expert-reviewed explanations and textbook solutions across 40+ subjects
- AI assistant generates explanations and answers study questions on demand
- Spaced-repetition flashcards backed by proven learning science
- Polished, well-rated mobile apps (was Apple App of the Day) with full cross-device sync
Key Features
Smart Flashcards
Create flashcards quickly and review them with scientifically-proven spaced repetition that adapts to how well you know each card.
Vaia AI Assistant
Chat with an AI tutor to generate explanations on any topic, get answers to study questions, and break down difficult concepts.
Notes
Take and organize structured study notes per subject, with the ability to turn notes into flashcards and study sets.
Study Plans
Build personalized study schedules that keep your exam prep organized and help you stay on track and motivated.
Study Sets
Group flashcards, notes, and materials into shareable study sets for each course, topic, or exam.
Explanations Library
Free, expert-reviewed explanations across 40+ subjects from anthropology and biology to economics, math, and physics.
Textbook Solutions
Step-by-step solutions to problems from popular textbooks across major subjects.
Pricing
Free
$0
- Unlimited flashcards, notes, and study plans
- Access to explanations and textbook solutions
- Vaia AI assistant (with limits)
- Mock exams and quizzes
- Sync across web, iOS, and Android
Best For
University exam preparation
Students build flashcard decks and study plans for upcoming exams and reinforce them with spaced repetition.
High school revision
Pupils use subject explanations and quizzes to revise course material and check understanding before tests.
Quick concept explanations
Learners ask the Vaia AI assistant to explain difficult topics in simpler terms while studying.
Organized note-taking
Students keep all subject notes in one place and convert them into flashcards and study sets.
