Comparison

Guillotine HD vs Zoodemic

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

Head to head
About

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.

Highlights
  • One-gesture gameplay
  • Endless, escalating levels
  • Global leaderboard
  • Adjustable blood effects
  • Cross-device compatibility
Features
Read full description

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

About

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.

Highlights
  • Zoonotic disease education
  • Virus wave gameplay
  • Educational trivia for power-ups
  • Content from CDC and universities
  • Targeted at students
Read full description

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

Guillotine HD4 screens
Zoodemic4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard5 real differences · 4 level
Guillotine HD versus Zoodemic: the parameters behind the verdict, then further details
ParameterGuillotine HDZoodemic
PriceFreeFree
Rating3.9 (7 ratings)5.0 (2 ratings) — better
Number of ratings7 — better2
Update frequencyEvery 146 monthsEvery 5 months — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.6
Further details — not scored
Size99 MB77 MB
Age rating12+4+
DeveloperSopoNextUniversity of Nebraska at Omaha College of Information Science and Technology

Customer experience

Guillotine HD

All ratings7 ratings
Positive57.1%
Neutral28.6%
Negative14.3%

Zoodemic

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Guillotine HD

No in-app purchases

None

Zoodemic

No in-app purchases

Questions

Is Guillotine HD free?
Guillotine HD is free to download, with no in-app purchases.
Is Zoodemic free?
Zoodemic is free to download, with no in-app purchases.
Which has better reviews, Guillotine HD or Zoodemic?
Zoodemic is rated higher. Guillotine HD averages 3.9 out of 5 from 7 ratings, while Zoodemic averages 5.0 from 2 ratings.
Do Guillotine HD or Zoodemic have ads?
Guillotine HD shows ads; Zoodemic does not.
Which is updated more often, Guillotine HD or Zoodemic?
Guillotine HD ships an update every 146 months, and Zoodemic every 5 months. Most recently, Guillotine HD was updated on November 6, 2026 and Zoodemic on November 3, 2026.

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