maxmatics vs Lecture Recorder

maxmatics is your mental math coach – from times tables to percentages, sequences and polynomials. Short rounds, clear feedback, visible progress. TRAINING MODES • Basic operations: addition, subtraction, multiplication, division – single or mixed • Times tables: drill one row at a time • Squares and roots • Roman numerals from I to MMM • Percentages: “12% of 250” • Number sequences: spot the pattern • Time spans: how many minutes between two clock times? • For pros: modulo, plus polynomials with a function graph THREE DIFFICULTY LEVELS From Rookie to Beast Mode – the number ranges and question types grow with you. ANSWER YOUR WAY Pick from four options, or type the answer on the number pad. PROGRESS & MOTIVATION • A daily goal and streak keep you coming back • Achievements: earn bronze, silver and gold medals • Per-category stats with accuracy and average time • Home Screen widget with your daily goal DUELS & LEADERBOARD Challenge a friend to a math duel with a code, or climb the global leaderboard. Sign in with Apple – no separate account. FOR IPHONE AND IPAD Built for both, in six languages: English, German, Italian, Spanish, French and Dutch. No subscription. No ads. No tracking.

Earnote takes notes in your lectures for you. Put your iPhone on the desk, start recording and turn the screen off. When the lecture is over, your notes are ready: structured, with the key terms, open tasks and flashcards to study with. FREE AND PRIVATE • No account, no ads, no subscription • Your recording stays on your iPhone • Speech recognition runs on the device HOW YOUR NOTES ARE WRITTEN – YOU CHOOSE • On this iPhone: offline, everything stays on the device (newer iPhones) • With your Mac: your iPhone records, Earnote on your Mac writes the notes and sends them back • Free with Google or OpenRouter: with your own key, set up in three steps RECORD LIKE A VOICE RECORDER • Keeps going with the screen off, for hours • Pauses for phone calls, continues with AirPods • Live Activity on the Lock Screen and in the Dynamic Island • Start from Control Center, the Action button, a widget or Siri STUDY • Flashcards from every lecture, quiz yourself right in the app • PDF study sheets • Export for Anki • Areas for each subject, with your own instructions for the notes EVERYWHERE YOU WORK • Automatically to Notion, Obsidian, a folder, Todoist or Reminders • Share as text, PDF or Anki file • Import recordings from Voice Memos or WhatsApp EARNOTE PRO – ONE-TIME PURCHASE, NO SUBSCRIPTION • Recognize speakers: who said what • Ask questions about your notes • Tap “Important” – the moment lands in the exam radar • Translate notes and transcripts Try every feature three times for free. Everything else stays free. Earnote is open source (MIT) and also available for the Mac: earnote.dev Please get everyone's consent before recording – in lectures, the lecturer's permission.