Comparison

CytoAtlas vs Histology

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

Head to head
About

CytoAtlas

This medical reference app offers a comprehensive cytopathology guide with over 800 high-quality images and more than 120 diagnostic entities. It features an intuitive interface for quick access to diagnostic criteria, morphologic characteristics, and relevant studies, serving as a valuable learning aid and quick reference for professionals and students.

Highlights
  • Over 800 high-quality slide images
  • 120+ diagnostic entities
  • Key morphologic characteristics
  • Intuitive interface
  • Zoom and pan image function
  • Reference to journal articles
Features
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CytoAtlas provides a quick and handy cytopathology reference tool focusing on diagnostic criteria. Content: - Over 800 high-quality slide images from exfoliative and aspiration cytology - Over 120 diagnostic entities in Cytopathology categorized by different organ systems - Slide images, including direct smears, cell blocks, and liquid-based preparations - Key morphologic characteristics, including architecture, nuclear, and cytologic features - Reference to journal articles and ancillary studies, if relevant Features - Intuitive and distraction-free interface - Chapters can be navigated by scrolling up and down - Images can be opened by tapping and selecting a diagnostic entity - Multiple images can be navigated by swiping across - High-quality slide images with zoom and pan function - Key features can be accessed by tapping an icon at the bottom - CytoAtlas requires an active internet to view images CytoAtlas is a learning aid for physicians, medical students, and technologists interested in cytopathology. It also provides a quick reference resource for common cytologic diagnoses. Created by Cytopathologists, the current database has high-quality slide images with morphologic descriptions and highlighted key features in over 100 diagnostic entities. In this initial release, we have included the most common entities encountered in the practice of exfoliative and aspiration cytology, including normal and malignant.

About

Histology

This study aid offers self-testing with micrographs of basic human body tissues. It covers cell biology, epithelia, glands, connective tissue, muscle, and the peripheral nervous system.

Highlights
  • Micrograph self-testing
  • Six sets of basic tissue coverage
  • Cell Biology for Histologists
  • Epithelia and Glands
  • Connective Tissue and Muscle
  • Peripheral Nervous System
Features
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The BT Histology SecondLook™ application is a study aid that provides a series of micrographs for users to self-test their level of knowledge and ability to recognize histological structures. It contains six sets covering the basic tissues of the human body, including Cell Biology for the Histologist, Epithelia, Glands, Connective Tissue, Muscle, and the Peripheral Nervous System.

Screenshots

CytoAtlas3 screens
Histology4 screens

Verdict

The call

The clearest difference is review sentiment: CytoAtlas at 88% against Histology's 33%. CytoAtlas also leads on rating (4.3 vs 3.7) and update cadence (monthly vs every 10 months). Histology's advantage is iOS requirement (9.0 vs 16.0). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

CytoAtlas holds the better App Store score, 4.3 against 3.7. Both are backed by a comparable volume of ratings — 12 and 3 respectively. Written reviews point the same way: 88% of CytoAtlas's written reviews are positive against 33% of Histology's.

UpkeepUpdate frequency

CytoAtlas ships an update monthly, Histology every 10 months. The most recent releases landed on September 15, 2026 and September 10, 2026 respectively.

Scorecard5 real differences · 5 level
CytoAtlas versus Histology: the parameters behind the verdict, then further details
ParameterCytoAtlasHistology
PriceFreeFree
Rating4.3 (12 ratings) — better3.7 (3 ratings)
Positive reviews87.5% of reviews — better33.3% of reviews
Number of ratings12 — better3
Update frequencyMonthly — betterEvery 10 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.09.0 — better
Further details — not scored
Size10 MB32 MB
Age rating17+17+
DeveloperPROQMS LLCThe University of Michigan

Customer experience

CytoAtlas

All ratings12 ratings
Positive83.3%
Neutral0.0%
Negative16.7%
Written reviews8 reviews
Positive87.5%
Neutral0.0%
Negative12.5%

Histology

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews3 reviews
Positive33.3%
Neutral0.0%
Negative66.7%

In-app purchases

None

CytoAtlas

No in-app purchases

None

Histology

No in-app purchases

Questions

Is CytoAtlas free?
CytoAtlas is free to download, with no in-app purchases.
Is Histology free?
Histology is free to download, with no in-app purchases.
Which has better reviews, CytoAtlas or Histology?
CytoAtlas is rated higher. CytoAtlas averages 4.3 out of 5 from 12 ratings, while Histology averages 3.7 from 3 ratings.
Do CytoAtlas or Histology have ads?
Neither CytoAtlas nor Histology shows ads.
Which is updated more often, CytoAtlas or Histology?
CytoAtlas ships an update monthly, and Histology every 10 months. Most recently, CytoAtlas was updated on September 15, 2026 and Histology on September 10, 2026.

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