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Head-to-head · Book Summary Apps

Shortform vs Koober

  • Updated Sep 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score Shortform #2 in Book Summary Apps 8.8/10 Free plan · paid from $16.42/user/mo (annual) Free plan✓ 3 of 4 features Visit Shortform
Koober #5 in Book Summary Apps 7.6/10 Free plan · paid from €6.67/mo (annual) · 7-day trial Free plan✓ 4 of 4 features Visit Koober

Shortform leads on 0 checks, Koober on 1, and 4 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreShortform · 8.8/10
  • Free planboth
  • Most featuresKoober · 4 of 4

Shortform scores higher on our rubric for book summary apps: 8.8 against 7.6 out of 10; our editors rank them #2 and #5.

Koober offers learning paths; Shortform doesn't publish it.

Shortform is the better fit for readers who want in-depth guides and integrations. Koober is the better fit for readers who want guided audio learning on mobile.

  • Shortform fits best

    Readers who want in-depth guides and integrations

  • Koober fits best

    Readers who want guided audio learning on mobile

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. It never changes our verdict. How we rank.

Side by side

Feature Shortform 8.8/10 Visit ↗ Koober 7.6/10 Visit ↗
At a glance
Editor score 8.8 7.6
Ranking #2 in Book Summary Apps #5 in Book Summary Apps
Best for Readers who want in-depth guides and integrations Readers who want guided audio learning on mobile
Pricing model Free plan + paid Free plan + paid
Starting price $16.42/user/mo Not published
Free plan ✓ ✓
Free trial — —
Deployment Cloud, Mobile, Browser extension Cloud, Mobile
Platforms Web, iOS, Android, Chrome extension Web, iOS, Android
Support Email, Docs Email, Live chat, Docs
Built for Solo, Small business Solo, Small business, Mid-market, Enterprise
Features Shortform 3/4 · Koober 4/4
Audio summaries ✓ ✓
Learning paths Not published ✓ (best)
Notes and highlights ✓ ✓
Offline access ✓ ✓
Specs
Catalog size 10000 titles Not published
Platform coverage Web_mobile Web_mobile
Summary languages Not published 1 languages
Our review
Pros
  • 10,000+ books and 1,000+ article and topic guides
  • Guides combine summaries with analysis, examples, and exercises
  • Offline access, audio, notes, and Readwise, Notion, and Kindle integrations
  • Written and audio summaries are available across web and mobile.
  • Mobile apps support offline reading and audio.
  • Curated learning paths, highlights, and a read-later library add structure.
Cons
  • Annual billing is required for the $16.42 monthly equivalent
  • Monthly pricing is $24 per user
  • Its in-depth guides may be more than readers seeking brief summaries need
  • The Free plan is limited to 1 koob per week.
  • The library is focused on non-fiction rather than full books.
  • Summary language availability may vary by offering.
Our verdict

Shortform offers book, article, and podcast episode guides through web access and mobile apps, with a Chrome extension for webpages and YouTube videos. Its book guides pair summaries with analysis, examples, and exercises, so it suits…

Read the review →

Koober turns non-fiction books into short “koobs” that can be read or listened to in under 20 minutes. Its catalogue covers topics including business, personal development, marketing, and management, with access through the web and iOS and…

Read the review →
  1. ShortformBook Summary Apps 8.8Free plan · paid from $16.42/user/mo (annual)
  2. KooberBook Summary Apps 7.6Free plan · paid from €6.67/mo (annual) · 7-day trial

Strengths and trade-offs

  • Shortform — where it wins

    • 10,000+ books and 1,000+ article and topic guides
    • Guides combine summaries with analysis, examples, and exercises
    • Offline access, audio, notes, and Readwise, Notion, and Kindle integrations

    Where it doesn't

    • Annual billing is required for the $16.42 monthly equivalent
    • Monthly pricing is $24 per user
    • Its in-depth guides may be more than readers seeking brief summaries need

  • Koober — where it wins

    • Written and audio summaries are available across web and mobile.
    • Mobile apps support offline reading and audio.
    • Curated learning paths, highlights, and a read-later library add structure.

    Where it doesn't

    • The Free plan is limited to 1 koob per week.
    • The library is focused on non-fiction rather than full books.
    • Summary language availability may vary by offering.
  • Shortform8.8/10 · Free plan · paid from $16.42/user/mo (annual)

    A broad library of analytical book guides with audio, offline access, and reading tools.

    Visit ShortformFull verdict →
  • Koober7.6/10 · Free plan · paid from €6.67/mo (annual) · 7-day trial

    A mobile-friendly way to read or listen to short non-fiction summaries and learning paths.

    Visit KooberFull verdict →

More comparisons

All book summary apps comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026

Last updated · How we research and update