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Best Knowledge Apps

249+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated July 2026

From beginner-friendly picks to power-user tools, our knowledge apps list covers 249+ iPhone apps updated through July 2026. Compare ratings, prices, and screenshots in one place.

Compare top Knowledge Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Deepstash: Smarter Every Day!Deepstash: Smarter Every Day!Free4.6★ (53K)NoYesJul 2026
2Yuno - General knowledgeYuno - General knowledgeFree4.8★ (13K)NoYesJul 2026
3WikipediaWikipediaFree4.3★ (6.2K)NoNoJul 2026
4Vocabulary - Learn words dailyVocabulary - Learn words dailyFree4.8★ (210K)YesYesJul 2026
5QuoraQuoraFree4.7★ (447K)NoNoJul 2026
6Nerdish: General Knowledge AppNerdish: General Knowledge AppFree4.8★ (2.5K)NoYesJul 2026
7Blinkist: Book Summaries DailyBlinkist: Book Summaries DailyFree4.8★ (152K)NoYesJul 2026
8Elevate - Brain Training GamesElevate - Brain Training GamesFree4.8★ (537K)YesYesJul 2026

Top Picks for Knowledge Apps

Deepstash: Smarter Every Day!#1

Deepstash: Smarter Every Day! by Brainstash, Inc

Bite-sized Knowledge & Books
Editor's Choice
📚 Education
4.6😐(53K ratings)
FreeIn-App Purchases
#16in Education
Deepstash: Smarter Every Day! screenshot 1
Deepstash: Smarter Every Day! screenshot 2
Deepstash: Smarter Every Day! screenshot 3
Deepstash: Smarter Every Day! screenshot 4
Deepstash: Smarter Every Day! screenshot 5
Deepstash: Smarter Every Day! screenshot 6

Discover bite-sized knowledge from popular books in just 5 minutes a day. Beautifully designed idea cards condense profound thoughts into memorable, visual insights. Fuel your curiosity and grow smarter with curated content tailored to your interests.

What We Love

  • 🧠 Helpful for learning and dissociation from social media
  • 👍 Smooth interface and good delivery of content
  • 🤓 Effective platform for quick self-help and coaching resources
  • 📚 Provides access to useful books and articles

Room to Improve

  • 💰 Aggressive monetization and paywall
  • 🤯 Annoying sales tactics and constant prompts to upgrade
  • 🤔 Limited functionality in free version
Yuno - General knowledge#2

Yuno - General knowledge by Gaiali GmbH

Listening, Learning, Knowing
Strong Contender
📚 Education
4.8😐(13K ratings)
FreeIn-App Purchases
#99in Education
Yuno - General knowledge screenshot 1
Yuno - General knowledge screenshot 2
Yuno - General knowledge screenshot 3
Yuno - General knowledge screenshot 4
Yuno - General knowledge screenshot 5
Yuno - General knowledge screenshot 6

This audio app delivers general knowledge through engaging 10-minute stories and quizzes. Learn about history, science, art, and more on the go, anytime, anywhere. It's designed to make learning easy and entertaining.

What We Love

  • 🚀 Great app for learning
  • 👍 Engaging storytelling format
  • 🎓 Helpful for filling knowledge gaps
  • 💡 Potential for expanded content

Room to Improve

  • 🔒 Expensive subscription model
  • 🇺🇸 Overly US-centric content
  • 🐛 Frequent app crashes and bugs
Wikipedia#3

Wikipedia by Wikimedia Foundation

The Free Encyclopedia
Worth Considering
🔍 Reference
4.3😐(6.2K ratings)
Free
#89in Reference
Wikipedia screenshot 1
Wikipedia screenshot 2
Wikipedia screenshot 3
Wikipedia screenshot 4
Wikipedia screenshot 5
Wikipedia screenshot 6

Access the world's largest free knowledge base with over 60 million articles in nearly 300 languages. Explore trending topics, save articles for offline reading, and customize your reading experience with various themes and text sizes. Contribute to the community by editing articles and participating in discussions.

What We Love

  • 🚀 Vast information repository
  • 👍 Customizable reading experience
  • 🚀 Convenient offline access
  • 👍 Reliable and trustworthy content

Room to Improve

  • 🐛 Occasional crashes and freezes
  • 🔋 High data usage and battery drain
  • 🔒 Concerns about political bias and censorship

More Knowledge Apps apps to explore

4
Vocabulary - Learn words daily
Vocabulary - Learn words daily
Vocabulary - Learn words daily
Word of the day widget & games
Free

Expand your vocabulary with daily word learning and engaging games. This app offers customizable learning paths and difficulty levels to suit your English proficiency. Make vocabulary acquisition a fun and effective part of your routine.

Learn new words dailyCustomizable difficulty levelsSelect vocabulary categories
📚 Education
(210K)
free with in-app purchases
5
Quora
Quora
Quora
Questions, Answers, and More
Free

This platform allows users to ask questions on any topic and receive insightful answers from a global community. Discover personalized content, follow subjects of interest, and share your own expertise to contribute to a vast repository of knowledge.

Ask questions on any subjectReceive helpful answersFollow topics and browse content
📡 News
(447K)
ad-supported
6
Nerdish: General Knowledge App
Nerdish: General Knowledge App
Nerdish: General Knowledge App
Learn Something New Every Day
Free

Expand your general knowledge with concise, engaging articles on diverse topics like science, history, and art. Designed for busy adults, this app delivers quick, fact-checked reads in 5-10 minutes daily to foster lifelong learning and personal growth.

Concise articles on science, history, art, and moreDaily 5-10 minute learning sessionsFact-checked and well-structured content
📚 Education
(2.5K)
free with in-app purchases
7
Blinkist: Book Summaries Daily
Blinkist: Book Summaries Daily
Blinkist: Book Summaries Daily
Learn something new every day
Free

Access key insights from thousands of top books and podcasts in short audio and text summaries. Turn your commute or chores into learning opportunities to boost your career or personal growth. Over 39 million people use this app to read and learn faster.

8,000+ book and podcast summaries15-minute learning sessionsDaily microlearning
📚 Education
(152K)
free with in-app purchases
8
Elevate - Brain Training Games
Elevate - Brain Training Games
Elevate - Brain Training Games
Vocab, Memory, & Math Puzzles
Free

Enhance cognitive abilities like focus, memory, and math skills with a personalized daily training program. Improve productivity, earning power, and self-confidence through engaging brain games designed by experts.

40+ brain training gamesPerformance trackingPersonalized workouts
📚 Education
(537K)
freemium
9
Windbrook Creek Hall
Windbrook Creek Hall
Windbrook Creek Hall
by COSTANTE MARINO
Free
🌟 Lifestyle
(0)
10
Knowledge House Students
Knowledge House Students
Knowledge House Students
by HYBRID EDUTECH GROUP, MCHJ
Free
📚 Education
(0)
11
SunPrint
SunPrint
SunPrint
by Xiamen Orange Sun Electronic Technology Co., Ltd.
Free
🔧 Utilities
(0)
12
MyUnicBrain
MyUnicBrain
MyUnicBrain
Personal knowledge database
Free
📊 Productivity
(0)
13
Wikito: Quick Knowledge
Wikito: Quick Knowledge
Wikito: Quick Knowledge
Swipe Through Wiki Cards
Free
🔍 Reference
(0)
14
Imprint: Visual Micro Learning
Imprint: Visual Micro Learning
Imprint: Visual Micro Learning
Learn and grow daily
Free

This app offers bite-sized visual learning sessions on a wide range of topics, from psychology to finance. Master complex concepts quickly with elegant visuals and retain knowledge through daily quizzes. Save and review key insights in sessions lasting two minutes or less.

Bite-sized visual learningMaster essential topicsUnderstand complex concepts
📚 Education
(51K)
subscription
15
Breef Docs - AI knowledge base
Breef Docs - AI knowledge base
Breef Docs - AI knowledge base
Personalised AI for businesses
Free
📊 Productivity
(0)
16
NatterSearch
NatterSearch
NatterSearch
The knowledge sharing app
Free

This platform allows users to share their unique knowledge and earn money, or to gain insights from experts. Connect with specialists via in-app voice calls to access specialized information not found through general search engines.

Share unique knowledgeEarn money by sharingGain knowledge from experts
🌐 Social Networking
(2)
free
17
Wikova
Wikova
Wikova
AI-Generated Wikipedia
Free
📊 Productivity
(0)
18
DeepSwipe: Knowledge Feed
DeepSwipe: Knowledge Feed
DeepSwipe: Knowledge Feed
Science, history & space facts
Free
📚 Education
(0)
19
Empolis Industrial Knowledge
Empolis Industrial Knowledge
Empolis Industrial Knowledge
AI-based knowledge management
Free

Access comprehensive service knowledge on your mobile device, both online and offline. Quickly find solutions to customer requests, create and share new service notes, and collaborate with colleagues to solve complex problems. Ensures data security and GDPR compliance.

Mobile knowledge hubOffline availabilityCreate and share service knowledge
📊 Productivity
(0)
ad-supported
20
Dowi
Dowi
Dowi
Learn something new every day
Free
📚 Education
(0)

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FAQ about Knowledge Apps

What are the best knowledge apps for iPhone?
Deepstash: Smarter Every Day! tops our knowledge apps ranking as of July 2026, with a 4.6-star average from 53K App Store ratings, and it's free to download.
Yes — 20 of the top knowledge apps we rank are free to download, including Deepstash: Smarter Every Day! and Yuno - General knowledge.
Deepstash: Smarter Every Day! has no ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 249+ knowledge apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
Deepstash is an app that provides bite-sized knowledge and insights from popular books, articles, podcasts, and videos. It presents this information through beautifully designed idea cards that condense profound thoughts into simple, memorable, and visual notes, allowing users to learn something new in just 5 minutes a day.
Key features include access to over 200,000 powerful ideas, personalized content feeds based on chosen topics, the ability to save and organize ideas into collections, and sharing discoveries with friends. The Pro version offers an ad-free experience, audio playback for ideas, offline access, and unlimited history.