Comparison

Mentor Exam vs Prep DNB

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

Head to head
About

Mentor Exam

Access comprehensive exam preparation resources on the go. This app offers online courses, mock exams, question banks, and study materials for various undergraduate, postgraduate, and superspeciality training levels. It provides real exam simulation and conceptual teaching to help students succeed.

Highlights
  • Online courses
  • Mock exams with MCQs
  • Question banks
  • Theory and practical exam courses
  • Study material and notes
  • Real exam simulation
  • Conceptual teaching with examples
Read full description

Mentorexam The most popular online exam education and preparation portal . Meet your Mentor . Mentorexam caters to all your exam preparation needs, right from undergraduate, postgraduate to superspeciality training.Thesis guidance and preparation services.From books to online courses and mock exams with MCQ question banks and theory notes and practical exam courses.Thousands have benefitted from these services.With the online app now you can access your courses on the go just using your phone.Real exam simulation, mock tests, question banks, videos, books, study material, notes, practical classes, theory classes , conceptual teaching with examples and mnemonics.Wide variety of subjects and specialities.MCQs Exam Courses Test Series Question banks videos for NEETSS DNB MD MS exams.Also courses for MRCS MRCP FNB exams.

About

Prep DNB

Features
Read full description

Prep DNB is a focused, high-yield question bank app built for DNB and DipNB residents, medical PG aspirants, and clinicians preparing for NBEMS theory exams. It provides structured access to more than 10 years of authentic DNB previous exam questions, organized session-wise and paper-wise, enabling fast revision, better planning, and confident exam preparation. Designed for busy residency schedules, Prep DNB delivers a clean, distraction-free study experience. Whether you are revising during duty hours or preparing systematically for final exams, the app ensures that the most relevant content is always accessible. Key Features 10+ years of DNB previous year questions arranged by session such as Jun 2025 and Oct 2024 Paper 1 to Paper 4 organized with clear structure and quick navigation Exam-style reading interface that mirrors real theory papers Important Topics lists for each subject to support rapid revision MCQ mode for active recall and quick self-assessment Simple sharing options for discussion and collaborative learning Smooth, minimal interface with Dark Mode for long study sessions Offline access after first load, suitable for low-network environments Why Prep DNB Prep DNB focuses on what truly matters for exam success. Instead of overwhelming you with unnecessary content, it prioritizes previous questions, structured presentation, and efficient revision tools. This approach aligns closely with real exam patterns and helps improve recall, answer framing, and time management. The app is optimized for clarity and speed, allowing you to move seamlessly between subjects, sessions, and papers. With a consistent layout and intuitive navigation, you can concentrate on studying rather than searching for content. Who Is This App For DNB and DipNB residents preparing for Final Theory or Exit examinations MD and MS students strengthening core theory concepts Medical interns aiming for structured postgraduate preparation Faculty members and educators guiding exam-oriented revision Any medical student who wants organized access to previous exam questions Subjects Covered Anatomy, Anaesthesiology, Biochemistry, Community Medicine, Dermatology, Emergency Medicine, ENT, Family Medicine, Forensic Medicine, General Medicine, General Surgery, Hospital Administration, Immunohematology and Blood Transfusion, Microbiology, Nuclear Medicine, Obstetrics and Gynaecology, Ophthalmology, Orthopaedics, Paediatrics, Palliative Medicine, Pathology, Pharmacology, Physical Medicine and Rehabilitation, Physiology, Psychiatry, Respiratory Medicine, Radiation Oncology, Radiodiagnosis. Study Approach Use Prep DNB to revise systematically by going through session-wise papers, identifying repeated topics, and focusing on high-yield areas. Combine the Important Topics lists with MCQ mode to reinforce concepts and improve retention. Regular practice with previous questions helps build exam confidence and familiarity with answer patterns expected in NBEMS theory exams. Continuous Improvement Prep DNB is designed to evolve with exam trends. Content updates aim to include recent sessions and improve usability based on feedback from residents and educators. Prep DNB is a reliable companion for DNB and DipNB preparation. Study efficiently, revise consistently, and approach your exams with clarity and confidence. Keywords: DNB, DipNB, NBEMS, NBE, DNB previous year questions, DNB question bank, medical PG preparation, DNB theory exam, exit exam, residency study, medical revision, question papers, MCQ practice, important topics, medicine, surgery, OBG, paediatrics, ENT, orthopaedics, pathology, pharmacology, microbiology, psychiatry, radiology, anaesthesia, community medicine

Screenshots

Mentor Exam3 screens
Prep DNB4 screens

Verdict

The call

The clearest difference is price: Mentor Exam at Free against Prep DNB's $0.99. Mentor Exam also leads on iOS requirement (13.0 vs 15.0). Prep DNB's advantage is update cadence (every 3 weeks vs every 2 months). On ads, in-app purchases and device support there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Mentor Exam is free to download; Prep DNB costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Mentor Exam ships an update every 2 months, Prep DNB every 3 weeks. The most recent releases landed on June 11, 2026 and September 27, 2026 respectively.

Scorecard3 real differences ยท 5 level
Mentor Exam versus Prep DNB: the parameters behind the verdict, then further details
ParameterMentor ExamPrep DNB
PriceFree โ€” better$0.99
Positive reviews78.1% of reviewsโ€”
Update frequencyEvery 2 monthsEvery 3 weeks โ€” better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeโ€”
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 โ€” better15.0
Further details โ€” not scored
Size319 MB47 MB
Age rating4+12+
DeveloperMari PoghosyanSajil Haq

In-app purchases

None

Mentor Exam

No in-app purchases

None

Prep DNB

No in-app purchases

Questions

Is Mentor Exam free?
Mentor Exam is free to download, with no in-app purchases.
Is Prep DNB free?
Prep DNB costs $0.99, with no in-app purchases.
Do Mentor Exam or Prep DNB have ads?
Neither Mentor Exam nor Prep DNB shows ads.
Which is updated more often, Mentor Exam or Prep DNB?
Mentor Exam ships an update every 2 months, and Prep DNB every 3 weeks. Most recently, Mentor Exam was updated on June 11, 2026 and Prep DNB on September 27, 2026.

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