Opositor IA: Study & AI Quiz
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About this app
Unlimited topics, FREE and forever. Your public-exam syllabus has 60, 80 or more topics: no app should charge you for topic number 11.
Opositor IA is the study planner that finally brings together, for free, everything you need to organize your syllabus and reach exam day with your review rounds done. It even generates exam-style quizzes from YOUR OWN study material using artificial intelligence.
▶ NO TOPIC LIMIT
Add your whole syllabus by pasting the index, taking a photo or importing a PDF: we split it into topics automatically. No locks, no subscription.
▶ SYLLABUS ROUNDS WITH SPACED REPETITION
Every topic keeps a round counter and a next-review date using a spaced-repetition algorithm. The "Today" screen tells you exactly what to study and review each day.
▶ PLANNER UP TO YOUR EXAM DATE
Set your available days and study time and we work out the pace to cover the syllabus in time. If you skip days, the plan recalculates itself.
▶ AI QUIZ FROM YOUR OWN MATERIAL (what no one else does)
Turn any topic into multiple-choice questions with four options and a justified answer that QUOTES the fragment of your text. Strict grounding: the AI only asks about your material and never makes up laws. With a button to report any question.
▶ AI MEMORY GAPS
Turn your index or a topic into fill-in-the-blank exercises to memorize the structure.
▶ AI EXPRESS REVIEW
Quick review summaries before the exam with your key ideas.
▶ TIMED MOCK EXAMS
Build mock exams combining your topics, with a timer, real exam-style wrong-answer penalties and correction at the end.
▶ TOPIC DRAW, POMODORO AND STATS
Animated topic-draw drum, Pomodoro timer and real statistics: percentage of syllabus mastered, rounds heatmap, daily streak and the topics you struggle with.
▶ 100% YOURS, NO ACCOUNTS
Everything is stored on your phone, with no sign-up. Export a backup whenever you want. Your data is yours.
Opositor IA is funded only by optional ads: rewarded videos unlock extra AI generations, but studying is never interrupted and topics are never locked.
Notice: AI-generated content is based on your material and may contain errors; always check against the official source. It does not replace your official preparation.
Opositor IA is the study planner that finally brings together, for free, everything you need to organize your syllabus and reach exam day with your review rounds done. It even generates exam-style quizzes from YOUR OWN study material using artificial intelligence.
▶ NO TOPIC LIMIT
Add your whole syllabus by pasting the index, taking a photo or importing a PDF: we split it into topics automatically. No locks, no subscription.
▶ SYLLABUS ROUNDS WITH SPACED REPETITION
Every topic keeps a round counter and a next-review date using a spaced-repetition algorithm. The "Today" screen tells you exactly what to study and review each day.
▶ PLANNER UP TO YOUR EXAM DATE
Set your available days and study time and we work out the pace to cover the syllabus in time. If you skip days, the plan recalculates itself.
▶ AI QUIZ FROM YOUR OWN MATERIAL (what no one else does)
Turn any topic into multiple-choice questions with four options and a justified answer that QUOTES the fragment of your text. Strict grounding: the AI only asks about your material and never makes up laws. With a button to report any question.
▶ AI MEMORY GAPS
Turn your index or a topic into fill-in-the-blank exercises to memorize the structure.
▶ AI EXPRESS REVIEW
Quick review summaries before the exam with your key ideas.
▶ TIMED MOCK EXAMS
Build mock exams combining your topics, with a timer, real exam-style wrong-answer penalties and correction at the end.
▶ TOPIC DRAW, POMODORO AND STATS
Animated topic-draw drum, Pomodoro timer and real statistics: percentage of syllabus mastered, rounds heatmap, daily streak and the topics you struggle with.
▶ 100% YOURS, NO ACCOUNTS
Everything is stored on your phone, with no sign-up. Export a backup whenever you want. Your data is yours.
Opositor IA is funded only by optional ads: rewarded videos unlock extra AI generations, but studying is never interrupted and topics are never locked.
Notice: AI-generated content is based on your material and may contain errors; always check against the official source. It does not replace your official preparation.
Unlimited exam topics free: spaced review, mock tests and AI quiz from notes
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What’s new
Safer progress saving during unexpected closures and rapid actions. We also improved purchase stability and Android 7 compatibility.
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About the developer
Daniel Bellido Pérez
tecnologiaplaitec@gmail.com
Cl. Séneca, 1, A calle
14550 Montilla
Spain
