Comparison

PrepFast vs Cheg AI Study, Homework Helper

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

PrepFast

Features
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Stop blind reading notes. PrepFast turns your notes into actionable learning. Generate Q&A study sheets, take preparatory tests, get evaluated on every answer, and learn exactly how to write perfect answers in your exams — then lock it all in with science-backed active recall. It's like having an extended version of your test paper in your hand. HOW IT WORKS Upload your notes (PDFs, images, or text), and PrepFast instantly converts them into structured study sheets with: - MCQs and descriptive questions - 1-mark, 2-mark, and 5-mark answers - Exact answers designed for exams Then go beyond just reading: - Take preparatory tests based on your notes - Get each answer evaluated with scores - See your Exam Readiness Score, plus a breakdown of Accuracy, Understanding, and Key Words - See ideal answers and detailed explanations And make it stick with active recall: - Every study sheet follows a spaced-repetition cycle, prompting you to revisit key questions at the right intervals - Track your progress question by question as you master each topic - Know exactly when — and what — to revise next KEY FEATURES - Turn notes into Q&A study sheets instantly - Study with built-in spaced-repetition active recall - Take tests and get answer-wise evaluation - See your Exam Readiness Score before the real exam - Learn "perfect answers" for exam writing - Smart categorization for structured revision - Clean, distraction-free study experience - Share your study sheets with friends as PDF - Save and revisit everything anytime WHO IS IT FOR - Students preparing for school and college exams - Anyone tired of re-reading notes without retention - Learners who want structured practice, scoring, and long-term retention You can access and try out all features in the free tier and turn to the premium plan for unlimited usage of all features. Stop passive reading. Start active learning. Study faster, practice smarter, and write better answers in your exams with PrepFast. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Cheg AI Study, Homework Helper

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Study smarter with AI, your AI-powered learning companion designed to help you understand concepts, complete assignments, and improve your academic skills. Whether you're preparing for exams, working on homework, writing essays, or analyzing study materials, Cheg provides intelligent tools to support your learning journey. Designed with a clean and intuitive interface, Cheg helps students stay productive while encouraging independent learning and critical thinking. Key Features AI Homework Help Ask academic questions and receive clear, step-by-step explanations to help you better understand topics across a wide range of subjects. Essay Writer Generate well-structured essay drafts, outlines, introductions, conclusions, and ideas to support your writing process. PDF Analyzer Upload study materials, notes, or documents and receive concise summaries, explanations, and answers based on the content. Quiz Generator Turn your notes or documents into practice quizzes to reinforce learning and prepare for tests. Citation Generator Create properly formatted citations for academic writing using commonly accepted citation styles. Plagiarism Checker Review your writing for potential originality concerns and receive helpful feedback before submitting your work. Why Choose Cheg? • Fast and intuitive user experience
 • AI-powered learning assistance • Clean and distraction-free interface
 • Helpful for homework, assignments, and exam preparation
 • Supports essay writing and academic research
 • Practice with AI-generated quizzes
 • Analyze PDFs with ease
 • Generate citations for academic work
 • Regular updates with performance improvements and new features Important Information Cheg is designed as a learning assistant to help users study more effectively. AI-generated responses may occasionally contain inaccuracies or incomplete information. Users should carefully review, verify, and edit all generated content before relying on it for academic, professional, or personal purposes. Privacy To provide AI-powered features, the text, questions, or documents you choose to submit may be securely processed by our AI service provider. Only the information necessary to generate responses is processed. Please review our Privacy Policy and Terms of Use for more information about how your data is handled. Cheg is an independent educational application and is not affiliated with, endorsed by, or sponsored by any educational institution, examination board, publisher, or third-party learning platform. Thank you for choosing Cheg. We're committed to continuously improving your learning experience with regular updates, performance enhancements, and new AI-powered study tools. Important Links https://sites.google.com/view/zed-m/privacy-policy https://sites.google.com/view/zed-m/term-of-use

Screenshots

PrepFast4 screens
Cheg AI Study, Homework Helper4 screens

Verdict

The call

The clearest difference is in-app purchases: Cheg AI Study, Homework Helper at none against PrepFast's 6. PrepFast's advantage is iOS requirement (15.1 vs 17.6). On price, update cadence, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. PrepFast sells 6 in-app purchases, starting at $3.99 per 7 days. Cheg AI Study, Homework Helper asks for nothing beyond the download.

UpkeepUpdate frequency

PrepFast ships an update every 6 weeks, Cheg AI Study, Homework Helper monthly. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

Scorecard2 real differences · 4 level
PrepFast versus Cheg AI Study, Homework Helper: the parameters behind the verdict, then further details
ParameterPrepFastCheg AI Study, Homework Helper
PriceFreeFree
Update frequencyEvery 6 weeksMonthly — better
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better17.6
Further details — not scored
Size66 MB11 MB
Age rating4+4+
DeveloperSagar AngadiUbaid Ur Rehman

In-app purchases

6 purchases

PrepFast

Subscriptions6
  • Premium Weekly Early$3.997 Days
  • Premium Weekly$4.997 Days
  • Premium Monthly Early$9.991 Month
Show 3 more
  • Premium Monthly$12.991 Month
  • Premium Annual Early$49.991 Year
  • Premium Annual$59.991 Year
None

Cheg AI Study, Homework Helper

No in-app purchases

Questions

Is PrepFast free?
PrepFast is free to download, with in-app purchases available.
Is Cheg AI Study, Homework Helper free?
Cheg AI Study, Homework Helper is free to download, with no in-app purchases.
Do PrepFast or Cheg AI Study, Homework Helper have ads?
Neither PrepFast nor Cheg AI Study, Homework Helper shows ads.
Which is updated more often, PrepFast or Cheg AI Study, Homework Helper?
PrepFast ships an update every 6 weeks, and Cheg AI Study, Homework Helper monthly. Most recently, PrepFast was updated on October 24, 2026 and Cheg AI Study, Homework Helper on October 28, 2026.

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