Learn Smarter, Not Harder.
For language learners, students, and anyone who studies.
Rate each card—Again, Hard, Good, or Easy—and the algorithm schedules your next review at exactly the right time. No cramming. Just memory science.
You read. You highlight. You reread. Then you forget. Sound familiar?
Cramming wastes time because it ignores how memory actually works. Cognitive science shows a smarter path: retrieve before you reveal, then let an algorithm decide exactly when to bring each card back. Not too soon. Not too late. Right when your memory starts to fade. That's spaced repetition—and it's built into every Braintain session.
See what lasting recall looks like
Real sessions from the app
You study, then forget. Rereading feels passive and doesn't stick.
Your brain remembers what it actively retrieves—and images create stronger anchors than text alone.
See it. Recall it. Remember it.
Each concept is paired with a visual and an example. You recall before peeking—building retrieval strength instead of passive recognition.
→ Words and concepts stay in long-term memory.
- Visual anchors that trigger recall
- Context that shows real usage
- Active retrieval before the reveal
Scattered notes and generic decks don't match what you're actually learning.
Learning sticks when it's organized by topic and difficulty—so you focus on what matters now.
Your learning, your way
Choose topics that match your goals. Vocabulary, idioms, science, or anything you're studying—in one place.
→ Clarity instead of cognitive overload.
- Browse by subject and difficulty
- Join what you need, skip the rest
- Switch topics whenever you want
Knowing something in the moment isn't the same as remembering it later.
The key is when you review, not just how often. The algorithm schedules each card at the exact moment your memory starts to fade.
Rate it. Schedule it. Master it.
After each card, rate yourself: Again, Hard, Good, or Easy. Braintain's spaced repetition algorithm uses your rating to schedule the next review at precisely the right time—easy cards come back in weeks, tricky ones return tomorrow.
→ Confidence that you'll recall when it matters.
- Four-level rating: Again · Hard · Good · Easy
- Cards evolve: New → Learning → Mature
- Track card maturity and watch your sessions get shorter over time
How your brain learns with Braintain
How one learning session works
No cramming. No overwhelm. Just a few minutes that build lasting memory.
See the concept
Image + example. No answer yet.
Recall or guess
Retrieval before the reveal strengthens memory.
Rate yourself
Again Hard Good Easy
Algorithm schedules next review
Easy → weeks away. Again → back tomorrow.
Powered by the SM-2 spaced repetition algorithm—the same method behind the world's most effective flashcard systems.
Ready to try it?
Why Braintain
- 1Calm, distraction-free—build lasting recall without overwhelm
- 2Visual anchors that make words stick in long-term memory
- 3Any subject, any language—organized your way
- 4Confidence that you'll remember when it matters
What people say
Join learners who use Braintain to expand their vocabulary every day.
“Simple and effective. Exactly what I needed to build my vocabulary.”
— Braintain user
“The images really help words stick. I remember new terms so much better now.”
— Language learner
“I love the BrainPods feature. It keeps me motivated to practice every day.”
— Braintain user
Train your memory today
A few minutes a day. Lasting recall. Free on iPhone and Android.
No account required to start.