PDF to Flashcards: Turn Any PDF Into a Study Deck, Free
Turn any PDF into flashcards free — lecture slides, textbook chapters, notes become a study deck in one tap. Free flashcard generator on Android & Mac.
arc pdf-to-flashcards flashcards
Free AI Screen Assistant for Android
Summarize articles, extract events & OTPs, chat with AI, draft replies, create flashcards, and transcribe calls — all from a floating sidebar on any screen. No app switching required.
Rethink makes Arc AI Screen Assistant — a free Android app that uses Google Gemini to summarize, extract, chat, write, and create flashcards from any screen via a floating sidebar, without switching apps. Arc also transcribes phone calls and supports Samsung Edge Panel, OnePlus Shelf, and OPPO Smart Sidebar.
Arc AI Screen Assistant for Android
Arc AI Screen Assistant is a free Android app that lives as a floating sidebar on your screen. It uses Google Gemini AI to summarize any screen, extract events and OTP codes, draft replies in any messaging app, create flashcards, and transcribe phone calls — all without switching apps. Download it free from the Google Play Store.
See all Arc AI Screen Assistant features → Product
Our Products
Tools designed to save you time and help you focus on what matters.
Arc Android
Arc AI Assistant lives on your screen as a floating sidebar. Summarize any screen, extract events and OTPs, chat with AI, draft replies in WhatsApp or Gmail, create flashcards, transcribe calls, and browse 250 community actions — all without switching apps. Powered by Google Gemini.
Why Us
Why Rethink?
We believe your phone should work for you, not the other way around.
⚡
AI on Every Screen
Arc's floating sidebar works across every app. Swipe to open, tap to act. Summarize, extract, chat, write, and create flashcards without ever switching apps.
🤖
Powered by Google Gemini
Arc uses Google Gemini for fast, accurate AI. Summaries, Smart Extract, AI Chat, and AI Writer all benefit from one of the most capable AI models available.
🎯
Yours to Customize
Create custom AI actions, browse 250 community actions in 10 languages, and set up your Info Vault. Arc adapts to your workflow, not the other way around.
Blog
View all
Latest from the Blog
Tips, guides, and updates from the Rethink team.
Free AI Summarizer That Works on Any Screen — Android & Mac
Free AI summarizer for whatever is on your screen — articles, emails, threads. Arc turns them into key points on Android & Mac. No copy-paste needed.
arc ai-summarizer android
AI Note Taker, No Meeting Bot — Free on Android & Mac
Free AI note taker, no meeting bot. Arc turns call recordings and on-screen content into transcripts, summaries, and action items — Android & Mac.
arc ai-note-taker android
Ready to rethink your Android experience?
Try Arc today and discover how AI can make your phone smarter.
Get started with Arc