Practical guides on summarizing YouTube videos, PDFs and articles with AI, and on remembering what you watch and read.https://getsumai.app/en-ushttps://getsumai.app/blog/best-youtube-summarizer-apps-for-iphone/https://getsumai.app/blog/best-youtube-summarizer-apps-for-iphone/Nine ways to summarize YouTube videos on iPhone, compared by sources, study tools, platforms and price as of November 2026, with who each one suits.Thu, 12 Nov 2026 00:00:00 GMTComparisonsyoutubesummarizer appsiphonecomparisonhttps://getsumai.app/blog/gemini-notebook-notebooklm-alternatives-for-iphone/https://getsumai.app/blog/gemini-notebook-notebooklm-alternatives-for-iphone/Gemini Notebook is the right tool for many people. See when an iPhone alternative fits better, and how SumAI, ChatGPT, Claude, Recall and study apps compare.Thu, 12 Nov 2026 00:00:00 GMTComparisonsgemini notebooknotebooklmiphonepdfcomparisonhttps://getsumai.app/blog/how-accurate-are-ai-summaries/https://getsumai.app/blog/how-accurate-are-ai-summaries/AI summaries can add unsupported claims or over-generalize. See what benchmarks and peer-reviewed studies found, with caveats, and how to check a summary.Thu, 12 Nov 2026 00:00:00 GMTExplainersai summariesaccuracyhallucinationsfact-checkinghttps://getsumai.app/blog/how-much-time-do-ai-summaries-save/https://getsumai.app/blog/how-much-time-do-ai-summaries-save/A 60-minute video holds about 9,000 to 10,200 spoken words. See the math for reading the transcript, reading a summary, and watching at 1.5x or 2x.Thu, 12 Nov 2026 00:00:00 GMTExplainersai summariesreading speedproductivityyoutubehttps://getsumai.app/blog/how-to-chat-with-a-pdf-on-iphone/https://getsumai.app/blog/how-to-chat-with-a-pdf-on-iphone/Ask questions about a PDF on iPhone with ChatGPT, Claude, Gemini Notebook, ChatPDF or SumAI. How to phrase questions, verify answers and work within limits.Thu, 12 Nov 2026 00:00:00 GMTGuidespdfiphoneai chataccuracyhttps://getsumai.app/blog/how-to-get-a-youtube-transcript-on-iphone/https://getsumai.app/blog/how-to-get-a-youtube-transcript-on-iphone/Open a YouTube video's transcript on iPhone with Show transcript, find out why the mobile website has none, and see the practical ways to copy the text.Thu, 12 Nov 2026 00:00:00 GMTGuidesyoutubetranscriptscaptionsiphonehttps://getsumai.app/blog/how-to-study-from-youtube-lectures/https://getsumai.app/blog/how-to-study-from-youtube-lectures/An evidence-based routine for learning from lecture videos: preview the structure, watch actively, test yourself, space your reviews and explain it back.Thu, 12 Nov 2026 00:00:00 GMTStudystudyyoutubelecturesactive recallspaced repetitionhttps://getsumai.app/blog/how-to-summarize-a-pdf-on-iphone/https://getsumai.app/blog/how-to-summarize-a-pdf-on-iphone/Five ways to summarize a PDF on iPhone as of November 2026: Apple Intelligence, AI assistants, Gemini Notebook, PDF tools and SumAI, with documented limits.Thu, 12 Nov 2026 00:00:00 GMTGuidespdfiphoneai summariesapple intelligencehttps://getsumai.app/blog/how-to-summarize-a-web-page-on-iphone/https://getsumai.app/blog/how-to-summarize-a-web-page-on-iphone/Summarize an article on iPhone with Safari's built-in Summarize, Writing Tools or by sharing the page to SumAI. Requirements, steps and paywall limits.Thu, 12 Nov 2026 00:00:00 GMTGuidessafariiphonearticlesai summarieshttps://getsumai.app/blog/how-to-summarize-a-youtube-video/https://getsumai.app/blog/how-to-summarize-a-youtube-video/Six ways to summarize a YouTube video with AI as of November 2026: the transcript, Ask YouTube, Gemini, ChatGPT, browser extensions and iPhone apps, compared.Thu, 12 Nov 2026 00:00:00 GMTGuidesyoutubeai summariestranscriptsiphonehttps://getsumai.app/blog/how-to-summarize-long-youtube-videos-and-podcasts/https://getsumai.app/blog/how-to-summarize-long-youtube-videos-and-podcasts/A step-by-step method for long YouTube videos and video podcasts: outline first, watch the 2 to 4 sections that matter, ask targeted questions, then verify.Thu, 12 Nov 2026 00:00:00 GMTGuidesyoutubelong videospodcastschaptershttps://getsumai.app/blog/mind-maps-from-videos-and-pdfs/https://getsumai.app/blog/mind-maps-from-videos-and-pdfs/Turn a video or PDF into a mind map by hand or with AI, see what research on concept maps and mind maps shows, and learn why redrawing the map matters.Thu, 12 Nov 2026 00:00:00 GMTStudymind mapsstudyyoutubepdfhttps://getsumai.app/blog/summarize-youtube-video-in-another-language/https://getsumai.app/blog/summarize-youtube-video-in-another-language/Get an English summary of a Japanese YouTube video, or the reverse. How captions, auto-translate and output languages work, with iPhone steps for SumAI.Thu, 12 Nov 2026 00:00:00 GMTGuidesyoutubelanguagescaptionstranslationhttps://getsumai.app/blog/tldr-vs-detailed-summary-which-to-use/https://getsumai.app/blog/tldr-vs-detailed-summary-which-to-use/How long a summary should be depends on your goal. Compare TL;DR, key points, detailed, study guide and chapter summaries, and match each one to a task.Thu, 12 Nov 2026 00:00:00 GMTExplainersai summariestldrstudy guidesummary styleshttps://getsumai.app/blog/turn-youtube-videos-into-flashcards-and-quizzes/https://getsumai.app/blog/turn-youtube-videos-into-flashcards-and-quizzes/How to make flashcards or a quiz from a YouTube video or PDF as of November 2026: the tools that do it, what makes a good card, and why testing works.Thu, 12 Nov 2026 00:00:00 GMTStudyflashcardsquizzesyoutubepdfstudyhttps://getsumai.app/blog/why-cant-ai-summarize-this-youtube-video/https://getsumai.app/blog/why-cant-ai-summarize-this-youtube-video/AI summarizers read a YouTube video's captions. Here are the verified reasons a video fails, from missing captions to live streams, and what to do about each.Thu, 12 Nov 2026 00:00:00 GMTExplainersyoutubecaptionstroubleshootingai summaries