Comparison

CellAtlas vs MultiMatch Flag Challenge

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
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

MultiMatch Flag Challenge

Features
Read full description

MultiMatch Flag Challenge is a fun and educational matching game designed to test your brain and improve your knowledge of world flags. Flip the cards, find matching flag pairs, and challenge yourself with different difficulty levels. Whether you’re learning geography for school or just want a quick brain workout, this game is perfect for kids, teens, and adults. Learn Flags from Around the World Explore flags from many countries and improve your recognition skills while playing. Brain Training Gameplay Sharpen focus, concentration, and speed with a simple but addictive matching challenge. Fun for Everyone Easy to play, hard to master — enjoy quick rounds anytime. Features World flags matching gameplay Multiple difficulty levels Smooth animations and simple controls Fun and educational for all ages Great for geography learning Play anytime, anywhere Train your brain, improve your geography skills, and enjoy the challenge! Download MultiMatch Flag Challenge today and start matching flags!

Screenshots

CellAtlas3 screens
MultiMatch Flag Challenge4 screens

Verdict

The call

The clearest difference is update cadence: MultiMatch Flag Challenge at weekly against CellAtlas's every 2 months. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

CellAtlas ships an update every 2 months, MultiMatch Flag Challenge weekly. The most recent releases landed on September 27, 2026 and September 21, 2026 respectively.

Scorecard1 real difference · 9 level
CellAtlas versus MultiMatch Flag Challenge: the parameters behind the verdict, then further details
ParameterCellAtlasMultiMatch Flag Challenge
PriceFreeFree
Rating3.2 (21 ratings) — better—
Positive reviews88.8% of reviews—
Number of ratings21 — better—
Update frequencyEvery 2 monthsWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size106 MB94 MB
Age rating4+4+
DeveloperCellaVision ABChris Metzler

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

MultiMatch Flag Challenge

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

CellAtlas

No in-app purchases

None

MultiMatch Flag Challenge

No in-app purchases

Questions

Is CellAtlas free?
CellAtlas is free to download, with no in-app purchases.
Is MultiMatch Flag Challenge free?
MultiMatch Flag Challenge is free to download, with no in-app purchases.
Do CellAtlas or MultiMatch Flag Challenge have ads?
Neither CellAtlas nor MultiMatch Flag Challenge shows ads.
Which is updated more often, CellAtlas or MultiMatch Flag Challenge?
CellAtlas ships an update every 2 months, and MultiMatch Flag Challenge weekly. Most recently, CellAtlas was updated on September 27, 2026 and MultiMatch Flag Challenge on September 21, 2026.

Other comparisons