Comparison

Bio inc. Redemption vs Patient Zero

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

Head to head
About

Bio inc. Redemption

Engage in a complex biomedical simulation where you can either create deadly illnesses to infect victims or lead a medical team to find cures. Explore two distinct campaigns, develop strategies, and compete in world tournaments. The game offers realistic medical scenarios with a focus on strategic decision-making.

Highlights
  • Biomedical simulation
  • Create illnesses or find cures
  • Realistic diseases and conditions
  • Two distinct campaigns
  • Skills system for upgrades
  • Side quests and rewards
  • World tournaments
Features
Read full description

Bio Inc.: Redemption is a complex biomedical simulator in which you make life or death decisions. Create the ultimate illness to infect and torment your victim or play as the head of a medical team and hopefully find a cure to save your patient. Will you be the plague or preserve humanity? Including over 600 actual diseases, virus, symptoms, diagnostic tests, treatments and other medical conditions, Bio Inc.: Redemption is frighteningly realistic. It will captivate you for hours, bringing you into a microscopic world of epic plague proportions! As the sequel to the worldwide mobile hit Bio Inc. (enjoyed by over 15 million players), Bio Inc.: Redemption was rebuilt from the ground up to make it the most realistic and visually stunning medical condition simulator available. CHOOSE YOUR SIDE Bio Inc.: Redemption includes two all-new campaigns! Choose Death and explore your dark side by wrathfully terminating victims using an agonizing combination of diseases and medical conditions. Be the Plague! Choose Life and you heroically play as a medical diagnostician to identify and cure diseases before it is too late for your patient. Save the human race one human at a time! Each campaign consists of nine cases with four different difficulty levels and the new adaptive AI system provides hours of gameplay with great replay value. NEW SKILLS SYSTEM The all new skills system enables players to earn skills point and spend those towards upgrading skills that best fits their gameplay. Upgraded skills are persistent through all game modes. SIDE QUESTS While playing the campaign mode, players can decide to alter their strategy to complete one or many of the 41 included side quests. Completing side quest entitle players to hefty rewards! WORLD TOURNAMENTS Each week, the game will unveil a new world map to conquer with cases for Death and Life to be completed. Accumulate a winning streak, use your skills carefully and contest the title of best Doctor of Medicine. In exchange for you hard work, you will be compensated with rewards and pride. BUILDING DEEP STRATEGIES The mechanics of Bio Inc.: Redemption are simple to grasp yet extremely deep. Casual players will appreciate a quick and exciting challenge. Advanced players will have to elaborate complex strategies to solve high difficulty cases. It's all about combos and timing! 18 DIVERSIFIED CHALLENGING CASES Each unique scenarios comes with its unique twists and specific objectives, gradually building your skills and expanding your toolset to evermore demanding intricate cases. UNFORGIVING, WICKED AND STRANGELY COMPELLING Whether you wish to cure an innocent patient's sickness or torment a poor soul through an unlikely disease and infection combination, the Bio Inc. universe will not leave you cold. Deviously realistic, even educational, balanced with a good amount of humor, the Bio Inc.: Redemption experience will take you on one heck of a thrill ride.

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!

Screenshots

Bio inc. Redemption4 screens
Patient Zero4 screens

Verdict

The call

The clearest difference is update cadence: Bio inc. Redemption at every 5 days against Patient Zero's every 4 months. Bio inc. Redemption also leads on review sentiment (55% vs 27%) and iOS requirement (13.0 vs 17.0). On price, rating, ratings volume and ads 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. Bio inc. Redemption sells 10 one-off in-app purchases and Patient Zero sells 7 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for Bio inc. Redemption against 4.6 for Patient Zero. Both are backed by a comparable volume of ratings — 2.2K and 5.1K respectively. Written reviews are what separate them: 55% of Bio inc. Redemption's written reviews are positive against 27% of Patient Zero's.

UpkeepUpdate frequency

Bio inc. Redemption ships an update every 5 days, Patient Zero every 4 months. The most recent releases landed on November 3, 2026 and November 6, 2026 respectively.

Scorecard3 real differences · 7 level
Bio inc. Redemption versus Patient Zero: the parameters behind the verdict, then further details
ParameterBio inc. RedemptionPatient Zero
PriceFreeFree
Rating4.7 (2.2K ratings) — better4.6 (5.1K ratings)
Positive reviews55.4% of reviews — better26.5% of reviews
Number of ratings2.2K5.1K — better
Update frequencyEvery 5 days — betterEvery 4 months
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better17.0
Further details — not scored
Size447 MB225 MB
Age rating17+4+
DeveloperDryGin StudiosBrightika, Inc.

Customer experience

Bio inc. Redemption

All ratings2,202 ratings
Positive92.2%
Neutral3.2%
Negative4.5%
Written reviews186 reviews
Positive55.4%
Neutral11.3%
Negative33.3%

Patient Zero

All ratings4,369 ratings
Positive89.8%
Neutral4.6%
Negative5.6%
Written reviews339 reviews
Positive26.5%
Neutral11.2%
Negative62.2%

User reviews

Bio inc. Redemption

From 2.2K App Store ratings

What we love

  • 👍 Fun and interesting gameplay
  • 🚀 Realistic and challenging
  • 💡 Ability to choose between saving or killing the patient
  • 👍 Teaches about diseases and medicine

Room to improve

  • 🐛 Frequent crashes and freezes
  • 🐛 Issues with energy/coin system and power-ups
  • 🐛 Bugs with completing levels and earning rewards
  • 🐛 Loading problems and unresponsive app

Patient Zero

From 5.1K App Store ratings

What we love

  • 👍 Great gameplay
  • 🚀 Smooth graphics

Room to improve

  • 💸 Too many ads
  • 🔍 Lack of content

Bugs and requests

Bio inc. Redemption

Reported bugs

4 issues
  • Game freezing mid-game
  • Coins/energy not being properly restored
  • Rewards not registering for completed levels
  • Mandatory tutorial not working properly

Requested features

4 requests
  • Add sandbox mode
  • Implement multiplayer functionality
  • Improve tutorial and onboarding
  • Optimize for mobile devices

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

In-app purchases

10 purchases

Bio inc. Redemption

One-time10
  • Gems Pack$1.99
  • Offer Bundle$2.99
  • Offer Bundle$4.99
Show 7 more
  • Gems Pack$4.99
  • Gems Pack$9.99
  • Offer Bundle$9.99
  • Offer Bundle$17.99
  • Gems Pack$18.99
  • Offer Bundle$19.99
  • Gems Pack$94.99
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

Questions

Is Bio inc. Redemption free?
Bio inc. Redemption is free to download, with in-app purchases available.
Is Patient Zero free?
Patient Zero is free to download, with in-app purchases available.
Which has better reviews, Bio inc. Redemption or Patient Zero?
Bio inc. Redemption is rated higher. Bio inc. Redemption averages 4.7 out of 5 from 2.2K ratings, while Patient Zero averages 4.6 from 5.1K ratings.
Do Bio inc. Redemption or Patient Zero have ads?
Both Bio inc. Redemption and Patient Zero show ads.
Which is updated more often, Bio inc. Redemption or Patient Zero?
Bio inc. Redemption ships an update every 5 days, and Patient Zero every 4 months. Most recently, Bio inc. Redemption was updated on November 3, 2026 and Patient Zero on November 6, 2026.

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