Eterna vs Zoodemic
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Eterna
Engage in a citizen science game to design RNA molecules for medical research. Solve puzzles to unlock lab access and contribute to inventing new medicines through challenges.
- Design RNA molecules
- Solve scientific puzzles
- Participate in medical research
- Invent new medicines
- Unlock lab access
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Eterna is a citizen science game where players learn to design RNA molecules for medical research by solving puzzles. Complete introductory puzzles to unlock lab access and participate in challenges where you can invent medicine!
Zoodemic
Engage in a "serious game" designed to teach students about preventing zoonotic diseases. Test your skills against virus waves and earn power-ups by answering educational questions. Content is sourced from reputable health organizations.
- Zoonotic disease education
- Virus wave gameplay
- Educational trivia for power-ups
- Content from CDC and universities
- Targeted at students
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Zoodemic is a serious game for educating elementary, middle, and high school students about zoonotic disease prevention. A student can test their gaming skills by vanquishing multiple waves of viruses. Power-ups can be obtained by answering relevant educational questions related to basic hygiene, epidemiology, and zoonotic disease prevention Educational content in the game was sourced from the Centers for Disease Control and Prevention (https://www.cdc.gov/onehealth/in-action/influenza-and-zoonoses-education.html), Council of State and Territorial Epidemiologists (https://resources.cste.org/yia), the University of Nebraska Medical Center, and Iowa State University Center for Food Security & Public Health (https://content.cfsph.iastate.edu/YouthInAg/yinag-kids.php & https://content.cfsph.iastate.edu/YouthInAg/yinag-teen.php). While published by the University of Nebraska Omaha College of Information Science and Technology, this project is a partnership between University of Nebraska Omaha and University of Nebraska Medical Center. Icons created by Good Ware, Freepik, Pixel Buddha, Vecteezy, smalllikeart, Becris, Elzicon, hqrloveq, Vectors Market, Flat Icons from flaticon.com
Screenshots
Verdict
The clearest difference is rating: Zoodemic at 5.0 against Eterna's 3.7. Eterna's advantage is update cadence (every 3 weeks vs every 5 months) and ratings volume (15 vs 2). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Zoodemic holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: Eterna has 15 ratings behind it against 2, so its average is the more settled of the two.
Eterna ships an update every 3 weeks, Zoodemic every 5 months. Both last shipped on November 3, 2026.
| Parameter | Eterna | Zoodemic |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (15 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 15 — better | 2 |
| Update frequency | Every 3 weeks — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 188 MB | 77 MB |
| Age rating | 12+ | 4+ |
| Developer | Vital Mind Media | University of Nebraska at Omaha College of Information Science and Technology |
Customer experience
Eterna
Zoodemic
In-app purchases
Eterna
No in-app purchases
Zoodemic
No in-app purchases
