Best Knowledge Retention Tool Apps

250+ iOS apps curated and reviewed

4.3 avg rating
20 free apps
Updated October 2026

Whether you're new to knowledge retention tool or looking for an upgrade, our curated collection of 250+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Knowledge Retention Tool Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Feed Your Elephant KnowledgeFeed Your Elephant KnowledgeFree—NoNoAug 2026
2Schema — Knowledge CompoundingSchema — Knowledge CompoundingFree5.0★ (3)NoYesOct 2026
3Knowledge from OnlineObjectsKnowledge from OnlineObjectsFree5.0★ (2)NoNoMay 2026
4Workpulse KnowledgeWorkpulse KnowledgeFree—NoNoMay 2026
5Fathomly: Learn by DoingFathomly: Learn by DoingFree4.0★ (2)NoYesOct 2026
6MoodleMoodleFree4.4★ (2.9K)NoNoNov 2026
7Tomo: Level Up Your KnowledgeTomo: Level Up Your KnowledgeFree4.6★ (31)NoYesOct 2026
8Solutions 21Solutions 21Free——NoMay 2026

Top Picks for Knowledge Retention Tool

Schema — Knowledge Compounding#2

Schema — Knowledge Compounding by Infinity Labs AG

Remember things that matter.
Strong Contender
📚 Education
5.0(3 ratings)
FreeIn-App Purchases
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This AI-powered learning companion helps you capture, summarize, and retain important ideas. It uses smart review intervals to ensure knowledge sticks, fostering deeper understanding for lifelong learners. Turn consumed information into lasting comprehension.

Knowledge from OnlineObjects#3

Knowledge from OnlineObjects by Jonas Munk

Personal knowledge base
Worth Considering
📊 Productivity
5.0(2 ratings)
Free
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Organize your thoughts and information with a personal knowledge base. Save web pages, highlight text, and sync across devices. Create questions and link answers to build a comprehensive understanding of any topic.

More Knowledge Retention Tool apps to explore

FAQ about Knowledge Retention Tool

Are there free knowledge retention tool apps for iPhone?
Yes — 20 of the top knowledge retention tool apps we rank are free to download, including Feed Your Elephant Knowledge and Schema — Knowledge Compounding.
Feed Your Elephant Knowledge has no ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 250+ knowledge retention tool apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.