Comparison

CellAtlas vs Bacteria 3D

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

Bacteria 3D

Explore biology through interactive 3D animations of bacteria in various shapes. This app offers a dynamic learning experience with pre-set views, narration, quizzes, and VR mode. It's designed for students but engaging for all ages.

Highlights
  • Interactive 3D bacteria models
  • Rotatable and zoomable scenes
  • Predefined navigation views
  • Walk mode for exploration
  • Narrations and animations
  • Animated quizzes
  • VR mode support
Features
Read full description

Bacteria Bacteria occur in a wide range of shapes, including spheres, rods and spirals. Explore biology with our interactive 3D animations! Be actively involved in learning about biology by following the latest results of 3D animation. Our 3D scenes have been designed for students between 8 and 18 years of age but can be interesting for everyone. Available languages: English, Deutsch, Français, Español, Русский, العربية, 日本語, 中文, 한국어, Italiano, Português, Svenska, Nederlands, Norsk, Polski, Magyar With the mozaik3D App, available in the App store, you can access more than 1200 similar 3D scenes. Mozaik Interactive 3D Our fully interactive scenes can be rotated, enlarged or viewed from pre-set angles. With the predefined views, you can easily navigate through the complex scenes. Some of the 3D scenes contain a Walk mode, enabling you to explore the scene yourself. Most of our 3D scenes include narrations and built-in animations. They also contain captions, entertaining animated quizzes and other visual elements. The 3D scenes are available in several languages, which also offers an opportunity to learn and practice foreign languages. Usage and navigation Rotate the scene by dragging your finger. Zoom the scene in or out by pinching with your fingers. Pan the view by dragging with three fingers. Tap the buttons at the bottom to switch between predefined views. You can change the language and set other functions in the context menu. The context menu can be accessed by touching the bottom corners. Activate VR mode by pressing the VR goggles icon in the bottom right corner. In VR mode, tilt your head to right or left display the navigation panel.

Screenshots

CellAtlas3 screens
Bacteria 3D4 screens

Verdict

The call

The clearest difference is rating: Bacteria 3D at 4.6 against CellAtlas's 3.2. Bacteria 3D also leads on update cadence (weekly vs every 2 months) and iOS requirement (8.0 vs 15.0). CellAtlas's advantage is review sentiment (84% vs 70%). On price, ratings volume, ads and in-app purchases 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.

ReceptionRating · Positive reviews · Number of ratings

Bacteria 3D holds the better App Store score, 4.6 against 3.2. Both are backed by a comparable volume of ratings — 22 and 58 respectively. Written reviews complicate that: 84% of CellAtlas's written reviews are positive against 70% of Bacteria 3D'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, Bacteria 3D weekly. Both last shipped on October 15, 2026.

Scorecard4 real differences · 6 level
CellAtlas versus Bacteria 3D: the parameters behind the verdict, then further details
ParameterCellAtlasBacteria 3D
PriceFreeFree
Rating3.2 (22 ratings)4.6 (58 ratings) — better
Positive reviews84.3% of reviews — better70.0% of reviews
Number of ratings2258 — better
Update frequencyEvery 2 monthsWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.08.0 — better
Further details — not scored
Size106 MB115 MB
Age rating4+4+
DeveloperCellaVisionMOZAIK Education Ltd.

Customer experience

CellAtlas

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

Bacteria 3D

All ratings58 ratings
Positive89.7%
Neutral5.2%
Negative5.2%
Written reviews10 reviews
Positive70.0%
Neutral10.0%
Negative20.0%

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

Bacteria 3D

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

CellAtlas

No in-app purchases

None

Bacteria 3D

No in-app purchases

Questions

Is CellAtlas free?
CellAtlas is free to download, with no in-app purchases.
Is Bacteria 3D free?
Bacteria 3D is free to download, with no in-app purchases.
Which has better reviews, CellAtlas or Bacteria 3D?
Bacteria 3D is rated higher. CellAtlas averages 3.2 out of 5 from 22 ratings, while Bacteria 3D averages 4.6 from 58 ratings.
Do CellAtlas or Bacteria 3D have ads?
Neither CellAtlas nor Bacteria 3D shows ads.
Which is updated more often, CellAtlas or Bacteria 3D?
CellAtlas ships an update every 2 months, and Bacteria 3D weekly. Most recently, CellAtlas was updated on October 15, 2026 and Bacteria 3D on October 15, 2026.

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