Compare · 1 ranking, 3 comparisons

Compare video summarizer apps

MarkerShelf side by side with the apps people look at: features, sources and price.

Ranking · 8 apps

The best YouTube summarizer apps for iPhone in 2026

MarkerShelf covers the most video sources on iPhone and keeps the moments. Glasp and Readwise Reader suit people who read as much as they watch, on a computer.

See the ranking 8 apps7 criteriaOct 2026

1MarkerShelfour appSix platforms plus your own videos
2GlaspHighlights from articles and YouTube
3EightifyYouTube summaries in desktop Chrome

and 5 more: Recall, Readwise Reader, TubeOnAI, NoteGPT, YouTube

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Head to head

3 comparisons

NoteGPT alternative

MarkerShelf vs NoteGPT

Pick MarkerShelf if you watch on iPhone and save videos from six platforms.
Pick NoteGPT if you work in a desktop browser and summarize whole playlists.

Features, platforms, priceOct 2026Compare

Glasp alternative

MarkerShelf vs Glasp

Pick MarkerShelf if your videos come from TikTok or Instagram too, often without captions.
Pick Glasp if you highlight articles, PDFs and YouTube in a browser, Android included.

Features, platforms, priceOct 2026Compare

Recall alternative

MarkerShelf vs Recall

Pick MarkerShelf if the video is the point: jump to the second, mark it, loop it.
Pick Recall if you want one knowledge base for articles, PDFs, podcasts and videos.

Features, platforms, priceOct 2026Compare

How we compare. We make MarkerShelf, so weigh that. Every fact about another app comes from its App Store listing, pricing page or docs, with a link and the date we checked it; US prices, which change. Each page says where the other app is stronger. Our method

MarkerShelf for iPhone and iPad

Never lose a moment in a video again.

Transcripts, captions, AI summaries and markers for YouTube, TikTok, Instagram, Facebook, X and LinkedIn videos, on iPhone and iPad.

Download on the App Store

Free to start. No account needed.

A lecture in MarkerShelf with its transcript and AI summary