Comparison

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.

Head to head
About

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.

Highlights
  • Risk group classifications
  • Bacteria, Viruses, Fungi, Parasites
  • Pathogenicity assessment
  • Transmission mode analysis
  • Treatment availability
  • International standards
Features
Read full description

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

About

Knowing Body

Features
Read full description

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

Risk Group App Database3 screens
Knowing Body4 screens

Verdict

The call

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

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

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.

Scorecard2 real differences · 7 level
Risk Group App Database versus Knowing Body: the parameters behind the verdict, then further details
ParameterRisk Group App DatabaseKnowing Body
PriceFreeFree
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 3 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.1
Further details — not scored
Size19 MB63 MB
Age rating17+4+
DeveloperThe American Biological Safety Assn IncZHIWEN YOU

In-app purchases

None

Risk Group App Database

No in-app purchases

None

Knowing Body

No in-app purchases

Questions

Is Risk Group App Database free?
Risk Group App Database is free to download, with no in-app purchases.
Is Knowing Body free?
Knowing Body is free to download, with no in-app purchases.
Do Risk Group App Database or Knowing Body have ads?
Neither Risk Group App Database nor Knowing Body shows ads.
Which is updated more often, Risk Group App Database or Knowing Body?
Risk Group App Database ships an update every 3 months, and Knowing Body every 5 weeks. Most recently, Risk Group App Database was updated on August 22, 2026 and Knowing Body on September 20, 2026.

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