Best Useless App Knowledge

246+ iOS apps & games curated and reviewed

4.4 avg rating

20 free apps & games

Updated October 2026

Out of 246+ useless app knowledge on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Useless App Knowledge (October 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	Useless Ideas	Free	3.0★ (1)	No	No	Oct 2026
2	Feed Your Elephant Knowledge	Free	—	No	No	Aug 2026
3	Knowledge from OnlineObjects	Free	5.0★ (2)	No	No	May 2026
4	Quora	Free	4.7★ (453K)	No	No	Nov 2026
5	Tomo: Level Up Your Knowledge	Free	4.6★ (31)	No	Yes	Oct 2026
6	Zeno - Learn General Knowledge	Free	4.8★ (23)	Yes	Yes	Oct 2026
7	Mimir: General Knowledge Quiz	Free	4.6★ (134)	No	Yes	Oct 2026
8	Sophia : General Knowledge	Free	4.7★ (154)	No	Yes	Oct 2026

Top Picks for Useless App Knowledge

#1

Useless Ideas by 俊林

Editor's Choice

3.0(1 ratings)

Free

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Generate random, often nonsensical, ideas to spark creativity. This unofficial client provides daily inspiration on the go.

#2

Feed Your Elephant Knowledge by Feed Your Elephant

Improve your general knowledge

Strong Contender

0.0(0 ratings)

Free

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#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 Useless App Knowledge apps to explore

Questions, Answers, and More

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

Tomo: Level Up Your Knowledge

Tomo: Level Up Your Knowledge

Tomo: Level Up Your Knowledge

Any Topic. 5 Minutes a Day

Turn any topic into a personalized, game-like course that takes just five minutes a day to complete. Simply type what you want to learn, and the AI will create a structured learning path. Build habits and feed your curiosity with bite-sized daily lessons.

Personalized AI-generated coursesBite-sized daily learning levelsGamified learning with XP and streaks

Zeno - Learn General Knowledge

Zeno - Learn General Knowledge

Zeno - Learn General Knowledge

Knowledge is Power Decades

Learn something new daily with short, engaging videos covering diverse topics. Boost your general knowledge in just 5 minutes a day with interactive quizzes and a rewarding system. Perfect for busy lifestyles, this app makes continuous learning enjoyable and effortless.

Short, engaging educational videosDaily content for busy lifestylesInteractive quizzes

free with in-app purchases

Mimir: General Knowledge Quiz

Mimir: General Knowledge Quiz

Mimir: General Knowledge Quiz

Learn Science, History & Arts

This app makes learning an adventure with an AI-powered tutor that adapts to your learning style. It uses vibrant visuals and interactive conversations to make complex topics engaging and easy to understand, covering a wide range of subjects.

AI-powered adaptive tutorInteractive visual learningEngaging conversational learning

free with in-app purchases

Sophia : General Knowledge

Sophia : General Knowledge

Sophia : General Knowledge

History, culture & arts

Learn about history, science, philosophy, and more in just 10 minutes a day. This app offers short, engaging lessons with quizzes to test your knowledge and track your progress. It's designed for quick learning and better retention.

Daily 10-minute lessonsWide range of subjectsEngaging quiz format

free with in-app purchases

FunFact Daily Random Facts

FunFact Daily Random Facts

FunFact Daily Random Facts

Interesting knowledge to share

Discover bite-sized, surprising facts on a variety of topics, from animals to history. Customize your learning experience with personalized feeds, saved favorites, and shareable fact cards. Make learning a daily habit with reminders and widgets.

Browse facts by topicSave favorite factsShare visual fact cards

NerdSip - Micro Learning

NerdSip - Micro Learning

NerdSip - Micro Learning

Learn Something New Every Day

Learn about any topic in bite-sized, fact-checked courses. Swipe through subjects like a dating app or request specific knowledge. Interactive quizzes and summary infographics help you retain information.

AI-generated fact-checked coursesInteractive quizzes with explanationsSwipe-based course discovery

Micro. Mobile. Motivational.

This app delivers daily, bite-sized learning content curated from industry experts directly to your mobile device. It offers personalized learning journeys and engaging activities, including video responses, to reinforce knowledge and help users reach their full potential in minutes.

Daily microlearning contentCurated learning journeysLearn from industry experts

Knowlet: Daily Learning & Quiz

Knowlet: Daily Learning & Quiz

Knowlet: Daily Learning & Quiz

Bite-size Knowledge & History

Master diverse subjects with short, engaging lessons and quizzes. Learn key concepts in just 15 minutes daily through bite-sized content, flashcards, and video modules. Personalized learning paths adapt to your level, making knowledge acquisition accessible and effective for busy adults.

Bite-sized lessons (15 min)Short video lessonsSpaced-repetition flashcards

KRL: Word Trivia Game

KRL: Word Trivia Game

KRL: Word Trivia Game

New Questions Every Day

Engage in a daily word trivia game where your goal is to find the rarest answers to earn the deepest dives. Explore new questions each day and build your expedition streak.

Daily word trivia questionsRarest answers yield deeper divesSubmarine expedition gameplay

Unnecessary knowledge mobile

Unnecessary knowledge mobile

Unnecessary knowledge mobile

by Benjamin Lochmann

Discover a vast collection of over 2,100 intriguing and often amusing facts across 18 diverse categories. Learn about everything from internet passwords to medical terms and historical trivia. Save your favorite facts for easy access.

2,100+ useless facts18 fact categoriesSave favorite facts

free with in-app purchases

Fun Facts: Daily Trivia

Fun Facts: Daily Trivia

Fun Facts: Daily Trivia

Learn something new every day

Discover short, surprising facts daily with a swipeable interface designed for quick learning. Save favorites, customize your look, and add a widget for daily insights. Build a lightweight learning habit with engaging trivia.

Daily fact cardsSwipeable interfaceSave favorite facts

free with in-app purchases

Wormhole: General Knowledge

Wormhole: General Knowledge

Wormhole: General Knowledge

Get Smarter with Daily Facts

Value your time

Connect with others through video calls and messaging, building reputation based on shared expertise. Earn or pay for time spent discussing specific subjects, creating a network of knowledgeable contacts for efficient learning.

Video calling and messagingReputation based on discussion experienceTime-based subject discussions

INO: Your daily knowledge app

INO: Your daily knowledge app

INO: Your daily knowledge app

by Auguste Norvaisaite

AppHop - Handy App for Developers, Bloggers and Marketers

AppHop - Handy App for Developers, Bloggers and Marketers

AppHop - Handy App for Developers, Bloggers and Marketers

by Santhalakshmi K

This app helps developers, bloggers, and marketers track app store statistics, including top charts, trends, and reviews. It allows users to bookmark apps, translate reviews, and convert links into affiliate links. Data is fetched directly from Apple's official APIs for privacy.

Bookmark iOS/Mac appsCheck top charts by countryView app store trends as infographics

Miles: Study App Blocker

Miles: Study App Blocker

Miles: Study App Blocker

AI Note Taker for Lectures

This app helps students focus during lectures and study sessions by locking distracting apps and providing AI-generated lecture summaries and key notes. It offers features for managing schedules, asking in-app questions, and exporting notes for further study.

AI-powered lecture summarizationDistracting app blockerIn-class Q&A

FAQ about Useless App Knowledge

What is the best useless app knowledge for iPhone?

Useless Ideas tops our useless app knowledge ranking as of October 2026, with a 3.0-star average from 1 App Store ratings, and it's free to download.

Are there free useless app knowledge for iPhone?

Yes — 20 of the top useless app knowledge we rank are free to download, including Useless Ideas and Feed Your Elephant Knowledge.

Does Useless Ideas have ads or in-app purchases?

Useless Ideas has no ads and has no in-app purchases, according to its App Store listing as of October 2026.

How many useless app knowledge are on the App Store?

We track 246+ useless app knowledge on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.