Comparison

CellAtlas vs Prep Interactive Exam Quiz

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

Head to head
About

CellAtlas

Explore blood cell morphology with expert-written lectures and a vast image database. Test your knowledge with an engaging quiz game designed for efficient learning.

Highlights
  • Blood cell morphology guide
  • Expert-written mini lectures
  • Extensive cell image database
  • CellQuiz game
  • Knowledge testing
Features
Read full description

Welcome to the CellAtlas Application - your guide to blood cell morphology. CellAtlas contains mini lectures written by hematology experts complemented by an extensive cell image database. The App also includes a game, CellQuiz. A fun and efficient way to test your knowledge in cell morphology. CellAtlas is a product from the medical technology company CellaVision.

About

Prep Interactive Exam Quiz

This app provides a comprehensive study guide for a vast array of professional certifications and academic subjects. It covers topics from accounting and healthcare to IT and trades, offering a wide range of learning materials for exam preparation.

Highlights
  • 300+ study topics
  • Professional certification prep
  • Academic subject review
  • Wide range of disciplines
  • Exam practice materials
Features
Read full description

List of Apps included in this bundle: ABO ACCA F2 ACCA F7 ACCA F9 Accounting ACE ACSM Adult Gerontology Adwords AFAA Alberta Canada Driving AMT RMA ANCC Nurse Executive ANCC Nursing Informatics Anesthesiologist Practice aPHR APICS CPIM APICS CSCP ARCA CRCC ARRT ASA Clinical Anesthesiology ASBOG ASCP Blood ASCP HT ASCP MB ASE G1 ASP ASPMN Nursing Asthma Educator ASVAB Navy ASVAB ASWB LCSW ASWB MSW LCSW BSW Automobile AWS Networking AWS Developer AWS solutions architect AWS SysOps Bank Prep BCA Big Data Biochemistry Biology CAIA Canadian Nursing CAPM CARPENTRY Cartified Fraud CBAP CCBA Analysis CBEST CBI Breastfeeding CBIC CBS CBT CCDA CCENT 640-822 CCENT ICND1 100 105 CCIE Routing Switching CCNA 640-802 CCNA Collaboration CCNA Data Center CCNA ICND2 200 105 Routing CCNA Security 640 554 CCNA Security CCRN CDL CEH II CEH CEHRS CEM Energy CEN Apartment Diabetes Educator Scrum Master Sommelier Welder CFP CFSA CGAP Chemical Engineering Chemistry Chiropractic CHST CIC CISA ISACA CISSP CBK 5 CLEP CM CMA 2 CMAA CMSRN CNA Nursing CNE Nurse CNOR CNSC COA Ophthalmic COMPLEX Comptia Cloud CV0 001 Comptia Security SY0 501 Computer Fundamental Computer Network Computer Operator Computer Science COT Ophthalmic Technician CPA AUD CPA FAR QA CPA Financial Accounting CPA REG CPB Professional CPC 2 CPC CPCT CPFM CPIM BSCM CPIM CPM Product CRC 2 CRCST Central CSCS CSET Subtest 1 CSET Subtest 2 CSET Subtest 3 CSS Specialist CWNA 106 Wireless certificate DAT Dental Dental Assistant Dialysis Drugs Dosage Electrical Engineering Electronics Communication Electronics Engineering Embryology Emergency Nurse Essentials EMT B English Literature ENVIRONMENTAL ENGINEERING ExCPT Fashion Designing Financial Accounting Financial Management FINRA FIREFIGHTER Fluid Mechanics Foreign Service FPGEE FTCE Engineering Fundamental GED General contractor GK GMAT GRE Health Safety Hematology Histology HOBET HVAC Immunology Internal Medicine ISC CAP ISC CCSP ISTQB Java JOURNEYMAN PLUMBER Life Health Insurance LINUX Administration LPIC 2 Cert 201 450 202 450 MACE Management Accounting Management Consulting Manitoba Canada Driving Marketing Managment MASTER ELECTRICIAN aration MASTER PLUMBER Maternal Child Nursing Mathematics Basics MCAT MCSA MECHANICAL ENGINEERING Medical Laboratory Scientist Medical Surgical Nursing Medical Technologist Medical Transcriptionist Microbiology MPJE MPRE MRI MSNCB CMSRN MSW ASWB MTA NALA CP NAPLEX Part I NAPLEX NASM CES NASM CPT NAVLE NBCE 1 NBCE 2 NBCE 3 NBCE 4 NBCE Physiotherapy NBDE II NBDE Part 1 NBDHE NBEO NCARB ARE NCBTMB NCCAOM Acupuncture NCIDQ NCLEX PN NCLEX RN NCMA NCCT NCSF CPT NHHA CMMA NLN PAX NPTE NREMT Nurse Practitioner NURSING FUNDAMENTAL Nursing Leadership NYSTCE 2 NYSTCE Occupational Therapy Ophthalmic Surgical Assisting Oral Pathology aration OT Occupational Therapy OTA Outpatient Coding PANCE II PANCE Paralegal 2 Paralegal Paramedic PCAT Pediatric Nursing Personal Trainer Pharmacology Pharmacy Technician Phlebotomy Free Course Phlebotomy II PHR PHYSICAL SECURITY PROFESSIONAL Physician Assistant Physics Physiology PMI ACP PPCNP Pediatric NP Praxis 1 Praxis 2 Part IV Praxis 2 CFA® L1 CFA® L2 Prescription Drugs Psychiatry Psychology PTCE Calculation PTCE Pharmacy Quebec Canada Driving Radiology Xray RCA REAL ESTATE Risk Management Sales Management Salesforce ACA SAT Series 7 Six Sigma SONOGRAPHY SPHR Human Resources SQL SSCP Systems STERILE Processing TEAS USMLE CK USMLE 2 USMLE 3 USMLE VTNE WELDING WONDERLIC Wound Care AAMA CMA ACCA F6 AG ACNP Acute Care NP AG PCNP Adult Primary Care Anatomy ANCC Gerontological Nursing ARE 5 0 PDD ARRT Radiography CDM Sommelier II CIA Part 3 Civil Engineering Comptia Server FCPS Home Inspector Journeyman Electrician MBLEx Medical Laboratory Miller Analogies NBCE Acupuncture NCE NHA CCMA NSCA CSCS Orthopedics OSHT PBA PBT ASCP Phlebotomy PCCN PMP Professional Engineering Property Casualty Insurance Respiratory Therapist CIA 1 CIA 2 ACSM CPT AFQT NEC Code Neuroanatomy

Screenshots

CellAtlas3 screens
Prep Interactive Exam Quiz3 screens

Verdict

The call

The clearest difference is review sentiment: CellAtlas at 84% against Prep Interactive Exam Quiz's 0%. CellAtlas also leads on in-app purchases (none vs 14). Prep Interactive Exam Quiz's advantage is update cadence (every 2 weeks vs every 2 months) and rating (3.5 vs 3.2). On price, ratings volume, ads and monetization model 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. Prep Interactive Exam Quiz sells 14 one-off in-app purchases. CellAtlas asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Prep Interactive Exam Quiz holds the better App Store score, 3.5 against 3.2. Both are backed by a comparable volume of ratings — 22 and 37 respectively. Written reviews complicate that: 84% of CellAtlas's written reviews are positive against 0% of Prep Interactive Exam Quiz's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

CellAtlas ships an update every 2 months, Prep Interactive Exam Quiz every 2 weeks. The most recent releases landed on October 15, 2026 and September 23, 2026 respectively.

Scorecard5 real differences · 5 level
CellAtlas versus Prep Interactive Exam Quiz: the parameters behind the verdict, then further details
ParameterCellAtlasPrep Interactive Exam Quiz
PriceFreeFree
Rating3.2 (22 ratings)3.5 (37 ratings) — better
Positive reviews84.3% of reviews — better0.0% of reviews
Number of ratings2237 — better
Update frequencyEvery 2 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.011.0 — better
Further details — not scored
Size106 MB141 MB
Age rating4+4+
DeveloperCellaVisionSayma Tasnim

Customer experience

CellAtlas

All ratings22 ratings
Positive45.5%
Neutral22.7%
Negative31.8%
Written reviews121 reviews
Positive84.3%
Neutral5.0%
Negative10.7%

Prep Interactive Exam Quiz

All ratings37 ratings
Positive62.2%
Neutral0.0%
Negative37.8%
Written reviews7 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Bugs and requests

CellAtlas

Reported bugs

6 issues
  • Timer is too short
  • Quiz moves too slowly after correct answer
  • Duplicate images that only one counts
  • App not opening on some devices
  • Missing WBCs
Show 1 more
  • Layout issues on older iPhones

Requested features

22 requests
  • Remove timer option
  • Untimed mode
  • More time for quizzes
  • Quizzes for specific cells/sections
  • More images/examples
Show 17 more
  • Larger database of cells
  • More examples of atypical/abnormal cells
  • Ability to practice specific cell types
  • Option to quiz on specific cell types
  • More options for tests (e.g., malignancies)
  • Ability to practice maturation stages
  • Zoomable slides
  • Labels for cell structures
  • Side-by-side cell comparison
  • Save quiz results
  • Add body fluid images
  • Add coag cascade
  • Add disease states/inclusions
  • Link to LIS system
  • More photos
  • Updates for more cell pictures
  • Support for older iPhone screens

Prep Interactive Exam Quiz

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

CellAtlas

No in-app purchases

14 purchases

Prep Interactive Exam Quiz

One-time14
  • CIA Part 1 MCQ Exam Practice$6.99
  • ABO Test Prep$6.99
  • CSET Subtest I Practice Test$6.99
Show 11 more
  • CSET Subtest II Test Prep$6.99
  • LPIC 2 Cert 201 450 202 450$6.99
  • LINUX Administration Test Prep$6.99
  • NPTE Test Prep$6.99
  • WELDING Test Prep$6.99
  • NEC Code Test Prep$6.99
  • CNSC Test Prep$6.99
  • Computer Fundamental Test Prep$6.99
  • Asthma Educator Test Prep$6.99
  • Big Data and Hadoop Test prep$6.99
  • MBLEx Exam Prep Pro$29.99

Questions

Is CellAtlas free?
CellAtlas is free to download, with no in-app purchases.
Is Prep Interactive Exam Quiz free?
Prep Interactive Exam Quiz is free to download, with in-app purchases available.
Which has better reviews, CellAtlas or Prep Interactive Exam Quiz?
Prep Interactive Exam Quiz is rated higher. CellAtlas averages 3.2 out of 5 from 22 ratings, while Prep Interactive Exam Quiz averages 3.5 from 37 ratings.
Do CellAtlas or Prep Interactive Exam Quiz have ads?
Neither CellAtlas nor Prep Interactive Exam Quiz shows ads.
Which is updated more often, CellAtlas or Prep Interactive Exam Quiz?
CellAtlas ships an update every 2 months, and Prep Interactive Exam Quiz every 2 weeks. Most recently, CellAtlas was updated on October 15, 2026 and Prep Interactive Exam Quiz on September 23, 2026.

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