CytoAtlas vs KiKo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Over 800 high-quality slide images
- 120+ diagnostic entities
- Key morphologic characteristics
- Intuitive interface
- Zoom and pan image function
- Reference to journal articles
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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.
KiKo
A platform for medical professionals to publish, collaborate, and discuss cases. Share clinical knowledge, create private study groups, and view pathology images on mobile. Build your reputation by sharing expertise and earning experience points.
- Self-publish medical knowledge
- Collaborate with peers
- Discuss rare clinical cases
- Share pathology images
- Create private study groups
- Earn experience points (XP)
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KiKo — Knowledge In, Knowledge Out—is a platform for doctors, researchers, and other medical professionals to self-publish, collaborate, and talk shop. Gain clinical experience by seeing rare cases from top doctors in your field! Create private study groups to share clinical pearls with your fellow medical students and residents! View and share whole-slide pathology images on your mobile device! Collaborate privately with your colleagues from other institutions! Build your reputation by sharing your knowledge and earning XP!
Screenshots
Verdict
The clearest difference is rating: KiKo at 5.0 against CytoAtlas's 4.3. KiKo also leads on update cadence (weekly vs monthly) and review sentiment (100% vs 88%). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
KiKo holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 12 and 22 respectively. Written reviews point the same way: 88% of CytoAtlas's written reviews are positive against 100% of KiKo's.
CytoAtlas ships an update monthly, KiKo weekly. Both last shipped on September 15, 2026.
| Parameter | CytoAtlas | KiKo |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (12 ratings) | 5.0 (22 ratings) — better |
| Positive reviews | 87.5% of reviews | 100.0% of reviews — better |
| Number of ratings | 12 | 22 — better |
| Update frequency | Monthly | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 10 MB | 41 MB |
| Age rating | 17+ | 17+ |
| Developer | PROQMS LLC | Objektyv, LLC |
Customer experience
CytoAtlas
KiKo
In-app purchases
CytoAtlas
No in-app purchases
KiKo
No in-app purchases







