Heftig

Hi, I'm Hefti.

Heftig is your school companion for iPhone and iPad: a smart notebook, grade calculator, flashcards, timetable, homework tracker, formula collection, and much more. AI helps with explanations and exam prep, fully on-device or via your own API key (BYOK). No tracking, no ads, no data sold.

WHAT'S IN IT
- Smart notebook with Apple Pencil support
- Grade calculator for all federal states and grade systems
- Flashcards with spaced repetition (SM-2, FSRS)
- Timetable with school-day times, weekly view, period blocks
- Homework tracker with smart prioritization
- Formula collection for math, physics, chemistry, biology, languages
- Briefly explained: 60-90 second topic animations with optional AI narration
- Knowledge center with 100+ pre-seeded topics
- Playground with 12 AI tools (wishbox, build-me, school coach, schedule analyzer, ...)
- Roast test: quiz-style exam prep across 7 subjects
- Lab notebook to save AI conversations
- Calendar with school terms and holidays
- Wellness with breathing exercises, focus timer, panic mode
- Career finder, resume builder, future days, internship search
- Guardian approval (Apple Family Sharing) for sensitive features

FOR EVERYONE
Designed for inclusivity. Hefti adapts to your grade, learning style, language and needs. Multiple avatars, dialect support, accessibility mode, simple wording (B1 level). Inclusive language throughout (guardians, not just parents).

PRIVACY FIRST
Everything stays on your device. AI uses your own API key. No central servers, no tracking, no ads. Transparent about every data flow.

LANGUAGE
Fully bilingual: German and English. Switch in settings, takes effect immediately.

CONTACT

Questions, bugs, wishes: info@likafilm.com
Website: heftig.likafilm.com
Privacy: heftig.likafilm.com/datenschutz
Made in Munich.