Knowledge Check
The best 50 Knowledge Check AI tools - Free & Paid
Explore 50 AI for Knowledge Check
iAsk.Ai delivers instant, factual answers to natural‑language questions from authoritative web sources, and offers essay drafting, advanced grammar checks, academic summarization, PDF analysis, image generation, URL bullet‑point briefs, and one‑click grammar correction. Accessible via browser extens
Freemium
- $9.95/mo
Knowt turns uploaded PDFs, slides, videos, or audio into interactive study aids. AI generates summaries, flashcards, quizzes, and spaced‑repetition decks, supporting STEM, humanities, languages, and exam prep. Teachers can import Quizlet sets and track class progress.
Free
Knowee Writer assists academic writing by generating outlines, auto‑completing sentences, refining drafts, and producing citation lists in APA, MLA, Chicago, Harvard, and IEEE. Users can upload PDFs or search Google Scholar for verified sources.
Freemium
AI quiz generator that converts text, images, PDFs, videos, and URLs into multiple‑choice, true/false, fill‑in‑the‑blank, higher‑order, and Bloom’s taxonomy questions. Supports up to 80k words, editing, export in various formats, study mode, and embedable quizzes.
Freemium
- $15/mo
AI IELTS Writing Checker evaluates essays on grammar, vocabulary, cohesion, and task response, offering instant feedback and revision guidance. It also includes Speaking, Listening, and Reading simulators, plus an essay bank for ideas and progress tracking.
Free
Revision Dojo is an exam preparation tool for International Baccalaureate students, featuring expert textbooks, a question bank, instant AI grading, and interactive learning modes like flashcards and quizzes, along with personalized support from its AI study partner, Jojo.
Free trial
- $27
Checkmyidea‑IA analyzes your business concept, evaluating market demand, competition, revenue potential, and feasibility. It delivers a structured report with strengths, weaknesses, and actionable recommendations for MVP design, pricing, launch, and growth, keeping all data confidential.
Paid
- $9.99
Knowmax consolidates support content into a single source of truth, offering AI‑powered search, guided decision trees, and visual how‑to guides. It lets CX agents retrieve contextual answers across channels, reducing handling time, boosting first‑contact resolution, and easing onboarding.
Freemium
Examify AI creates personalized past-paper style questions and mark schemes for exam preparation. It features instant grading, expert feedback, and tailored revision guides, helping users identify strengths and weaknesses while building confidence for assessments.
Freemium
AI Content Checker is a free browser extension that enhances web publishing by detecting errors, ensuring quality logic, and perfecting content before publication. It offers features like reviewing pages, answering specific questions, highlighting headings/links, identifying spacing issues, and open
Free trial
Checkstep is an AI‑driven moderation platform that lets users create custom policies, automate scanning of text, image, video, and audio, and integrate human review. It supports rule‑based abuse categories, marketplace AI models, real‑time transparency reporting, and DSA compliance reporting.
Freemium
Helplook is an AI-based tool that allows businesses to create customized knowledge bases or help centers on their website, improving customer satisfaction and user experience.
Free trial
Course Hero provides AI-enhanced homework aid featuring expert solutions, comprehensive study resources, and in-depth step-by-step explanations. Its one-click tutor assistance and enriched learning materials boost academic performance.
Free
Quizbot is an AI tool that generates high-quality test questions in English using various templates and can be customized to match the user's preferred writing style.
Free trial
ReadTheory offers adaptive reading comprehension exercises for K‑12 and ESL learners, with instant grading and teacher dashboards that deliver real‑time performance data, classroom competitions, and ready‑made resources for lesson planning.
Freemium
- $20/mo
Quiz Wizard instantly generates custom multiple‑choice questions, flashcards, and theory sheets from any topic. It enables teachers and course creators to build personalized training materials for medical, language, or science subjects, ready for lesson integration.
Freemium
MediSearch delivers AI‑driven, evidence‑based medical answers via a structured query interface and advanced filters for topics such as cancer risk and medication side effects. It offers a downloadable app and business solutions, focusing on up‑to‑date, accurate content.
Freemium
QuizWhiz automatically generates practice quizzes from PDFs, notes, URLs or text in 50+ languages, offering multiple question types and math support. It identifies key concepts, tracks mastery, and provides focused, Bloom‑tiered quizzes, study plans, and export options.
Freemium
- $14/mo
Recall is an AI-driven knowledge management tool that organizes and retrieves information efficiently. It summarizes content, uses an interactive knowledge graph, supports spaced repetition, and ensures cross-platform accessibility while prioritizing user data privacy.
Freemium
Gaslighting Check is an AI-powered tool that analyzes conversations to detect emotional manipulation tactics like blame shifting and memory distortion. It offers real-time insights, actionable recommendations, and a secure platform with community support and data protection compliance.
Freemium
- $9.99/mo
Helpjuice is a knowledge base software that centralizes FAQs, guides, and SOPs, enhancing internal knowledge sharing and customer support. It features AI search, analytics, and collaboration tools to streamline information management and improve productivity.
Free trial
Open Knowledge Maps is an AI search engine that visualizes scientific literature across disciplines, clustering related papers to reveal topic connections and trends. It supports varied document types, offers high‑quality metadata, multilingual browsing, and open‑source integration.
Freemium
Checkforai is an AI tool that detects AI-generated content in written text, ensuring authenticity and helping prevent plagiarism and search engine penalization.
Free
answersai is an AI tool that offers instant solutions to academic questions. Users can capture problems via photo and receive accurate responses, with support for follow-up queries to enhance understanding across various subjects, accessible on mobile and web.
Freemium
Advacheck employs an AI engine to detect machine‑generated text from models like ChatGPT, Gemini, Llama, etc., flagging AI authorship and plagiarism with <0.5% false positives. It offers daily‑updated detection, academic integrity tools, and Moodle integration.
Free
Studyquick converts uploaded lecture notes and scripts into concise study notes, mock exams, quizzes and personalized study plans, plus a document-specific chatbot, formula-aware parsing, downloadable materials and a performance dashboard — limited to user-provided data.
Freemium
AI Homework Helper lets students upload documents, notes, and webpages to chat with the AI, generate quizzes, flashcards, and concise notes, convert lectures into podcasts, transcribe sessions, and solve problems via a Chrome extension across many subjects.
Freemium
AskYourPDF lets users upload PDF or text files to ask questions and retrieve instant answers. It instantly summarizes long documents, supports keyword search across multiple files, and offers a shared library with mobile, Chrome, and plugin access, all GDPR‑compliant.
Free
PhotoExamen uses OCR and AI to analyze exam and assignment images, offering step‑by‑step solutions for multiple choice, short answer, math, and language tasks. It auto‑generates concept maps, quizzes, transcribes audio, and summarizes texts for study support.
Paid
Knowbase.ai turns PDFs, Word, PowerPoint, text, audio, video, and YouTube links into a searchable knowledge base, delivering AI‑generated answers with source citations. It supports chat with individual documents or all files, transcription with speaker ID, multilingual use, and private data handling
Free trial
AI Homework Help leverages AI technology to provide instant study question answers, key concept extraction, and personalized tutor support. Users access a vast library of practice problems for efficient study assistance and mastery of topics.
Free
Question AI quickly delivers detailed, step‑by‑step solutions for math, chemistry, biology, physics, literature, and history. It supports 100+ languages, works 24/7, and aims to deepen student understanding and improve grades.
Free
Double Check AI is an AI homework helper that provides instant, accurate answers across various subjects. It offers step-by-step explanations for complex problems, supporting over 150,000 questions to enhance comprehension and streamline assignment completion.
Free trial
Quizgecko turns PDFs, slides, videos, and webpages into structured courses with interactive quizzes, flashcards, notes, and podcasts. It auto‑generates various question types, tracks progress, lets users customize difficulty, share content, and embed in LMS or corporate training.
Free trial
Checkmypitch is an AI tool that enhances startup pitches by providing expert evaluations, detailed market research, and actionable insights to help founders refine their presentations and improve their chances of securing investments.
Freemium
Check Typo is an AI‑powered spell‑checker extension that integrates into web forms, Gmail, LinkedIn, and social media drafts, supporting 100+ languages and preserving tone while providing real‑time corrections for students, professionals, and writers.
Free
Question Base is an AI agent for Slack that instantly answers queries by retrieving information from Google Drive, Confluence, Notion, Salesforce, and similar sources. It records conversations, auto‑updates the knowledge base, and lets managers set tone and instructions.
Subscription
- $50/mo
Talkberry is an AI tool that simulates job interviews with the help of an AI hiring manager to practice English and improve interview skills, providing instant feedback and personalized suggestions.
Free trial
Quilgo lets educators, recruiters, and training providers create, schedule, and administer custom timed tests. It offers real‑time progress tracking, AI‑driven proctoring, and Google Forms/Google Classroom integration for secure, large‑scale examinations, and detailed performance reporting.
Freemium
- $1.25/mo
Koke AI is an AI citation generator that creates citations in multiple formats and includes a research assistant for academic guidance. It also features an outline generator, content writer, and grammar checker to streamline the research and writing process.
Freemium
The MyEssai AI tool offers instant and specific feedback to improve essay quality by analyzing grammar, structure, and content. It's free to use with various pricing plans available for more extensive feedback.
Freemium
Explainpaper reads research papers, offering contextual, step‑by‑step explanations in 50+ languages. Highlight text for tailored breakdowns, ask chat questions with cited sections, and extract outlines, key findings, concept maps for quick, focused literature review.
Freemium
- $16/mo
IELTS Champ offers AI‑powered mock exams for writing and speaking, providing real‑time grading on all four criteria, instant word‑count checks, detailed feedback, and progress tracking for Academic and General Training users.
Freemium