Keyper vs DriveFlash

Keep your online accounts safe and secure with Keyper, the ultimate app for two-factor authentication. With Keyper, you can add an extra layer of protection to Keyper services, ensuring that only you can access your accounts.

【Your Cloud Drive Now Answers You.】 DriveFlash is an AI-powered personal knowledge management assistant. Transform your scattered cloud drive documents into an intelligent knowledge base you can chat with and query anytime. Two Login Options, Your Choice Sign in with Apple: Your knowledge stays in iCloud Drive, completely private Google Sign-in: Your knowledge stays in Google Drive, synced across platforms Both methods offer identical functionality—use either one to access all AI features. Ask Your Documents Directly RAG Smart Q&A (vector search + Gemini AI) with three-layer intelligent retrieval (Wiki index → vector similarity → keyword matching). AI answers come with clickable source document links and related topic suggestions. Convert Multiple Content Sources to Notes in One Click YouTube videos, Podcasts, web articles, PDFs (including scans), eBooks (EPUB/DOCX), photos (OCR), audio files—9 built-in analysis modes + custom modes: Detailed summary, study notes, meeting minutes, academic seminar User manuals, knowledge extraction, eBook quick-read Convert to Markdown, transcript organization Custom analysis mode (add your own prompts to process source content) Auto-Generate Knowledge Reports AI daily/weekly/monthly reports automatically organize and review your newly added content and knowledge direction. Meeting Todos → Reminders Automatically extract action items from meeting notes and add them to iOS Reminders app in one click, with bidirectional deep links for seamless navigation. Learning Verification + Course System Quiz: Daily/weekly/monthly tests auto-generated from your knowledge base Lesson: AI-generated short course cards to refresh your memory Learning reminders to help you maintain momentum AI Assistant Built-in "Prompt Architect" with one-click professional templates Custom prompts: add, edit, delete personalized templates Multi-file attachment support with content persisting across conversations Privacy First No proprietary servers: data flows directly between your device and cloud API keys encrypted in Keychain, never uploaded to any server 【Key Features】 RAG smart Q&A + source attribution AI daily/weekly/monthly reports Cloud drive folder browsing Full-text search + vector search 9 built-in analysis modes (detailed summary / study notes / convert to Markdown / meeting minutes / academic seminar / user manual / knowledge extraction / eBook quick-read / transcript organization) EPUB / DOCX eBook parsing YouTube / Podcast subtitle extraction and analysis Learning verification Quiz + Lesson cards Meeting todos → iOS Reminders integration 5 languages (Traditional Chinese / Simplified Chinese / English / Japanese / Korean) Completely free, with optional developer support 【Prerequisites】 Apple ID or Google Account (one or the other) Gemini API key (free signup at aistudio.google.com) 【Minimum System Requirements】 iPhone: iOS 26.2 or later iPad: iPadOS 26.2 or later (Required to access iOS 26 exclusive APIs like Apple SpeechAnalyzer and NLContextualEmbedding)