Risk Group App Database vs Knowing Body
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Risk Group App Database
Access a comprehensive database of international risk group classifications for bacteria, viruses, fungi, and parasites. Understand how infectious agents are categorized based on pathogenicity, transmission, and availability of treatments.
- Risk group classifications
- Bacteria, Viruses, Fungi, Parasites
- Pathogenicity assessment
- Transmission mode analysis
- Treatment availability
- International standards
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Database of international risk group classifications for Bacteria, Viruses, Fungi, and Parasites. In many countries, including the United States, infectious agents are categorized in risk groups based on their relative risk. Depending on the country and/or organization, this classification system might take the following factors into consideration: Pathogenicity of the organism, Mode of transmission and host range, Availability of effective preventive measures (e.g., vaccines), Availability of effective treatment (e.g., antibiotics), and Other factors
Knowing Body
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Discover Your Body, Know Yourself. Knowing Body is an educational app that helps you explore the human body in a clear, engaging, and systematic way. Whether you're a student, a parent, or just someone curious about how the body works, Knowing Body brings anatomy and physiology to life with beautifully structured content and interactive features. Key Features: Human Body Overview: Learn about each body system, from the circulatory to the nervous, with clear explanations and diagrams. Daily Knowledge: Bite-sized facts about the body delivered every day to keep your curiosity alive. Body Dictionary: A bilingual (Chinese-English) dictionary of anatomical terms with easy-to-understand definitions. Knowledge Quiz: Test yourself with interactive quizzes to reinforce what you've learned. Featured Articles: Dive deeper with curated articles on health, anatomy, and body systems. Start your journey of knowing the amazing body you live in!
Screenshots
Verdict
The clearest difference is update cadence: Knowing Body at every 5 weeks against Risk Group App Database's every 3 months. Risk Group App Database's advantage is iOS requirement (13.0 vs 15.1). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Risk Group App Database ships an update every 3 months, Knowing Body every 5 weeks. The most recent releases landed on August 22, 2026 and September 20, 2026 respectively.
| Parameter | Risk Group App Database | Knowing Body |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 3 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 19 MB | 63 MB |
| Age rating | 17+ | 4+ |
| Developer | The American Biological Safety Assn Inc | ZHIWEN YOU |
In-app purchases
Risk Group App Database
No in-app purchases
Knowing Body
No in-app purchases
Questions
Is Risk Group App Database free?
Is Knowing Body free?
Do Risk Group App Database or Knowing Body have ads?
Which is updated more often, Risk Group App Database or Knowing Body?
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