Comparison

Hep B vs CloudLabs Ethylene Synthesis

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

Head to head
About

Hep B

Explore the world of infectious diseases through engaging gameplay. This educational game allows players to embody a virus, navigate the bloodstream, and infect liver cells while learning key scientific concepts through interactive levels and quizzes.

Highlights
  • Simulate hepatitis B virus infection
  • Navigate bloodstream to infect liver cells
  • 7 educational game levels
  • Interactive pop-quizzes
  • Learn scientific terms
  • Understand viral life cycle
Read full description

Hep B-Ware™ is part of a series of mobile educational games developed by the Institute for Molecular Medicine and Infectious Disease at Drexel University College of Medicine. Together, Hep B-Ware™, Malaria Invasion™, and CD4 Hunter™ and CRISPR Cut Out™ introduce players to the world of infectious disease. Follow us on Twitter: @Drexel_IMMID, #IMMID, #HepBWare Game Features: Hep B-Ware is a 7-level game in which players take the role of the hepatitis B virus (HBV) navigating the bloodstream in search of a liver cell to infect. At the end of each level, players can check their knowledge by answering a pop-quiz. Players may tap the highlighted scientific terms to learn more. By intersecting real science, with attractive visuals and animations, and simple gameplay, each game level teaches players about essential aspects of the complex mechanism by which HBV infects liver cells. The player will be able to identify and discuss key elements of HBV infection throughout the viral life cycle including binding, attachment and entry; uncoating and nuclear entry; transcription and translation; glycosylation of surface proteins; capsid assembly; and HBV egress. Credits: Producer: Brian Wigdahl Ph.D. Project Director: Sandra Urdaneta-Hartmann, MD, Ph.D., MBA Creative Director: Mary Ann Comunale Ed.D. Game Design: Mary Ann Comunale Ed.D., Christopher Dobbins, Colin Page Artwork: Daniel Dobbins, Christopher Dobbins, Mary Ann Comunale Ed.D. Science Content and Script Writing: Mary Ann Comunale Ed.D., Elise Moser Ph.D. Editing: Sandra Urdaneta-Hartmann, MD, Ph.D., MBA Localization: Colin Page, Sonia Navas-Martin, Julio Martin-Garcia Funding: Drexel University College of Medicine, Department of Microbiology and Immunology, and Institute of Molecular Medicine and Infectious Disease.

About

CloudLabs Ethylene Synthesis

Features
Read full description

This simulator recreates a chemistry laboratory. It has a thermometer, a three-neck flask, a condenser, a heating plate, pipettes as well as other equipment and supplies to perform the synthesis of cyclopropane from ethanol, 1,3 dichloropropane and zinc.

Screenshots

Hep B4 screens
CloudLabs Ethylene Synthesis1 screens

Verdict

The call

The clearest difference is iOS requirement: CloudLabs Ethylene Synthesis at 9.0 against Hep B's 11.0. On price, update cadence, 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.

UpkeepUpdate frequency

Hep B ships an update every 16 months, CloudLabs Ethylene Synthesis every 28 months. The most recent releases landed on October 13, 2026 and October 11, 2026 respectively.

Scorecard1 real difference · 8 level
Hep B versus CloudLabs Ethylene Synthesis: the parameters behind the verdict, then further details
ParameterHep BCloudLabs Ethylene Synthesis
PriceFreeFree
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 16 months — betterEvery 28 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.09.0 — better
Further details — not scored
Size332 MB83 MB
Age rating12+4+
DeveloperDrexel UniversityJiovany Orozco

In-app purchases

None

Hep B

No in-app purchases

None

CloudLabs Ethylene Synthesis

No in-app purchases

Questions

Is Hep B free?
Hep B is free to download, with no in-app purchases.
Is CloudLabs Ethylene Synthesis free?
CloudLabs Ethylene Synthesis is free to download, with no in-app purchases.
Do Hep B or CloudLabs Ethylene Synthesis have ads?
Neither Hep B nor CloudLabs Ethylene Synthesis shows ads.
Which is updated more often, Hep B or CloudLabs Ethylene Synthesis?
Hep B ships an update every 16 months, and CloudLabs Ethylene Synthesis every 28 months. Most recently, Hep B was updated on October 13, 2026 and CloudLabs Ethylene Synthesis on October 11, 2026.

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