Comparison

Patient Zero vs KemoDoku

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

Head to head
About

Patient Zero

Simulate the creation and spread of a deadly plague in this realistic apocalypse simulator. Adapt your pathogen against global efforts to stop it and decide the fate of humanity. It's a strategic test of biology and survival.

Highlights
  • Hyper-realistic virus simulation
  • Develop and adapt unique diseases
  • Global infection across all countries
  • Hundreds of evolving traits
  • Respond to thousands of world events
  • Built-in tutorials
Features
Read full description

"Patient Zero" is a terrifyingly realistic virus simulator that combines strategic gameplay with a true-to-life global crisis. This is not just another virus game—it's a fully immersive pathogen game where every decision can alter the fate of humanity. Your virus infection has just begun with "Patient Zero." Now it's your mission to develop a deadly plague and adapt against everything humanity throws at you. This is the ultimate test of survival, cunning, and biology in one of the most intense pandemic games ever made. Features: ● Hyper-realistic, highly detailed world—experience the depth of a true virus simulation ● Flash controls and intuitive interface to guide you through global domination ● Unique types of diseases—each one mutates differently in this complex disease game ● Every country on Earth is available for infection—from major cities to remote islands ● Hundreds of traits to evolve, thousands of world events to respond to ● Built-in tutorials and help system for new players of biology games or infecting games Will you save the world or watch it fall? Become the ultimate bio-strategist in this pandemic plague game. Whether you’re stopping the outbreak or accelerating the virus infection, the fate of the planet is in your hands. If you love virus infection games, pandemic simulations, or strategic infecting games, this is the virus game you’ve been waiting for. Adapt. Survive. Infect. Download "Patient Zero" now – the most addictive and realistic pandemic and disease game experience on mobile!

About

KemoDoku

This logic game offers a charming twist on classic Sudoku, replacing numbers with adorable animal icons. It provides a variety of difficulty levels and modes suitable for both beginners and experienced players, all playable offline. Enjoy hours of engaging brain training with delightful animal graphics.

Highlights
  • Classic and animal icon Sudoku
  • Multiple difficulty levels
  • Offline play support
  • Beautiful animal graphics
  • Brain training and logic development
Features
Read full description

Sudoku with Animals – the charming logic game for kids and adults! Dive into the world of puzzles: this Sudoku app combines the classic number game with adorable animal icons. Whether you’re a beginner or an experienced Sudoku pro – you’ll find the perfect challenge here. Train your brain, sharpen your focus, and enjoy hours of animal-themed puzzle fun. Game Features: • Classic & Animal Sudoku – solve puzzles in the traditional 9x9 format or discover creative variants with animal icons. • Multiple difficulty levels – from easy to hard, ideal for kids, teens, and adults. • Play offline – enjoy Sudoku anytime, anywhere, even without an internet connection. • Beautiful design – colorful animal graphics like cats, dogs, horses, and zoo animals make every puzzle unique. Why play Sudoku? Sudoku is one of the best brain-training games. It boosts memory, logic, and concentration. With animals, puzzling becomes even more fun: • Engaging brain exercise for kids and adults • Stress relief through relaxing puzzles • Improves logical thinking and problem-solving • Perfect for quick sessions or longer puzzle adventures Who is this app for? • Sudoku fans looking for a creative new twist • Families who love solving puzzles together • Kids who want to learn logic and patience in a playful way • Adults who enjoy puzzle and brain-teaser games • Animal lovers who want brain training with extra fun Sudoku, animals, puzzles, brain training – all in one app! Solve exciting logic games, discover cute animal designs, and see how much fun Sudoku can be. Whether it’s cats, dogs, pandas, or other animals – your next puzzle adventure is waiting!

Screenshots

Patient Zero4 screens
KemoDoku4 screens

Verdict

The call

The clearest difference is price: Patient Zero at Free against KemoDoku's $0.99. Patient Zero also leads on ratings volume (5K vs 2). KemoDoku's advantage is in-app purchases (none vs 10) and ads (none vs shown). On rating, 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

Patient Zero is free to download; KemoDoku costs $0.99 up front. Patient Zero sells 7 one-off in-app purchases. KemoDoku asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for Patient Zero against 4.5 for KemoDoku. That said, the two scores are not equally well evidenced: Patient Zero has 5K ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

Patient Zero ships an update every 4 months, KemoDoku every 2 days. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

Scorecard6 real differences · 4 level
Patient Zero versus KemoDoku: the parameters behind the verdict, then further details
ParameterPatient ZeroKemoDoku
PriceFree — better$0.99
Rating4.6 (5K ratings) — better4.5 (2 ratings)
Positive reviews26.6% of reviews—
Number of ratings5K — better2
Update frequencyEvery 4 monthsEvery 2 days — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.016.6 — better
Further details — not scored
Size225 MB14 MB
Age rating4+4+
DeveloperBrightika, Inc.Martin Hanske

Customer experience

Patient Zero

All ratings4,369 ratings
Positive89.8%
Neutral4.6%
Negative5.6%
Written reviews335 reviews
Positive26.6%
Neutral11.3%
Negative62.1%

KemoDoku

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Patient Zero

Reported bugs

2 issues
  • Game progress deleted due to phone dying
  • Forced ads without user permission

Requested features

2 requests
  • Ability to restart from the beginning
  • More pathogens to unlock

KemoDoku

Not enough reviews yet to summarise bugs or requests.

In-app purchases

7 purchases

Patient Zero

One-time7
  • Light Pack$0.99
  • Medium Pack$3.99
  • No Ads2 variants$4.99
Show 4 more
  • Starter Pack2 variants$4.99
  • Heavy Pack$9.99
  • No Ads VIP2 variants$14.99
  • Massive Pack$14.99
None

KemoDoku

No in-app purchases

Questions

Is Patient Zero free?
Patient Zero is free to download, with in-app purchases available.
Is KemoDoku free?
KemoDoku costs $0.99, with no in-app purchases.
Which has better reviews, Patient Zero or KemoDoku?
Patient Zero is rated higher. Patient Zero averages 4.6 out of 5 from 5K ratings, while KemoDoku averages 4.5 from 2 ratings.
Do Patient Zero or KemoDoku have ads?
Patient Zero shows ads; KemoDoku does not.
Which is updated more often, Patient Zero or KemoDoku?
Patient Zero ships an update every 4 months, and KemoDoku every 2 days. Most recently, Patient Zero was updated on October 26, 2026 and KemoDoku on October 24, 2026.

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