Guillotine HD vs Zoodemic
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Guillotine HD
A thrilling reaction game where players must quickly pull their finger away from a falling blade. With increasingly faster speeds and endless levels, test your reflexes to survive. Compete globally for the top spot on the leaderboard.
- One-gesture gameplay
- Endless, escalating levels
- Global leaderboard
- Adjustable blood effects
- Cross-device compatibility
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Put your finger under the blade and keep it there. The wood creaks, the rope gives, and at any moment the guillotine falls. Pull your finger back in time and you clear the level. Too late, and a finger is gone. You have five fingers. Every level the blade drops a little faster, and it never warns you. • One gesture, easy to learn and hard to master • Endless levels, faster and faster • World leaderboard: pick a name and defend your place • Blood can be switched off, for a clean cut • On iPhone, iPad and Mac • Free
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 Guillotine HD's 3.9. Zoodemic also leads on ads (none vs shown) and update cadence (every 5 months vs every 146 months). Guillotine HD's advantage is ratings volume (7 vs 2). On price, in-app purchases, device support and iOS requirement 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 3.9. Both are backed by a comparable volume of ratings — 7 and 2 respectively.
Guillotine HD ships an update every 146 months, Zoodemic every 5 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.
| Parameter | Guillotine HD | Zoodemic |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (7 ratings) | 5.0 (2 ratings) — better |
| Number of ratings | 7 — better | 2 |
| Update frequency | Every 146 months | Every 5 months — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 99 MB | 77 MB |
| Age rating | 12+ | 4+ |
| Developer | SopoNext | University of Nebraska at Omaha College of Information Science and Technology |
Customer experience
Guillotine HD
Zoodemic
In-app purchases
Guillotine HD
No in-app purchases
Zoodemic
No in-app purchases









