Capture. Solve.
Learn instantly.
clackr is the smart notes app that captures ideas at the speed of thought, solves math with a snap, and transcribes lectures in real time. Built for the modern student.
A pocket-sized study desk.
Notes that keep up with you.
A clean, distraction-free writing experience built for speed. Open the app, tap once, and you're writing.
- One-tap capture from Home Screen & Lock Screen
- Version history — every draft is saved automatically
- Beautiful in Light and Dark mode
Snap a problem. See the solution.
Point your camera at any equation — printed or handwritten — and get a clear, step-by-step walkthrough. Not just the answer, the reasoning.
- Algebra, calculus, geometry & more
- Step-by-step explanations
- Save solutions right into your notes
Record the lecture. Read the transcript.
Live speech-to-text turns hour-long lectures into searchable, organized notes. Never miss a citation again.
- Real-time transcription while you listen
- Auto-summaries and highlights
- Playback with synced text
Deadlines attached to your thoughts.
Tie reminders directly to notes. Local notifications keep you on track — no accounts, no cloud lag.
- Date, time, and location triggers
- Snooze without losing context
- Fully on-device
Tweak every pixel.
Pick your headline font, body typeface, paper color, and text size. clackr adapts to the way you like to write.
- Four headline & body font pairings
- Cream, mint, blush and sky paper themes
- Small, medium and large text sizes
Start clacking.
Free to download. Available on iPhone and iPad.