Comparison

Invaders Inc. vs Bio inc. Redemption

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

Head to head
About

Invaders Inc.

Lead an alien invasion in this fast-paced strategy game. Choose from various alien races, harvest resources, and upgrade your forces to conquer Earth. Experience challenging gameplay with multiple difficulty levels.

Highlights
  • Lead alien invasion
  • Choose from three alien races
  • Harvest and upgrade resources
  • Evolve alien species
  • Upgrade spaceships
  • Produce weapons of war
Features
Read full description

Invaders Inc. is a fun and fast-paced strategy game where you take control of an alien invasion against planet Earth. Lead your invaders to victory and wipe out the human race! Invaders Inc. is an exciting new twist on the popular 'Pandemic' / 'Plague' type strategy game. Choose from 'real' alien races commonly believed to visit earth - including Greys, Reptilians and Insectoids. Each race has their own strengths and weaknesses making for challenging gameplay. Conquer the globe to unlock new alien races. Harvest natural resources from the Earth and use them to upgrade your spaceships, evolve your aliens and produce weapons of war. FEATURES: - Three levels of difficulty: Easy, Normal and Hard. - Three alien races: Greys, Reptilians and Insectoids. - Evolve your aliens to increase their chances of success. - Upgrade your spaceships ready for battle. - Produce weapons of war to give you an advantage over the earthlings.

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.

Screenshots

Invaders Inc.4 screens
Bio inc. Redemption4 screens

Verdict

The call

The clearest difference is rating: Bio inc. Redemption at 4.7 against Invaders Inc.'s 3.3. Bio inc. Redemption also leads on update cadence (every 5 days vs every 3 months) and ratings volume (2.2K vs 132). On price, review sentiment, ads and in-app purchases 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. Invaders Inc. sells 1 one-off in-app purchase and Bio inc. Redemption sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Bio inc. Redemption holds the better App Store score, 4.7 against 3.3. That said, the two scores are not equally well evidenced: Bio inc. Redemption has 2.2K ratings behind it against 132, so its average is the more settled of the two. Written reviews point the same way: 50% of Invaders Inc.'s written reviews are positive against 55% of Bio inc. Redemption's.

UpkeepUpdate frequency

Invaders Inc. ships an update every 3 months, Bio inc. Redemption every 5 days. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.

Scorecard3 real differences · 7 level
Invaders Inc. versus Bio inc. Redemption: the parameters behind the verdict, then further details
ParameterInvaders Inc.Bio inc. Redemption
PriceFreeFree
Rating3.3 (132 ratings)4.7 (2.2K ratings) — better
Positive reviews50.0% of reviews55.4% of reviews — better
Number of ratings1322.2K — better
Update frequencyEvery 3 monthsEvery 5 days — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.1 — better13.0
Further details — not scored
Size27 MB447 MB
Age rating9+17+
DeveloperPHB Media LtdDryGin Studios

Customer experience

Invaders Inc.

All ratings132 ratings
Positive55.3%
Neutral6.8%
Negative37.9%
Written reviews96 reviews
Positive50.0%
Neutral15.6%
Negative34.4%

Bio inc. Redemption

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

User reviews

Invaders Inc.

From 132 App Store ratings

What we love

  • 🎮 Fun and addictive strategy gameplay
  • 💰 Free-to-play model
  • 👽 Unique alien invasion theme
  • 🧠 Simple yet strategic mechanics
  • ⚙️ Multiple difficulty levels

Room to improve

  • 📺 Excessive and intrusive ads
  • ⏸️ Forced ads even to quit the game
  • 🐢 Slow progression and point accumulation
  • 😴 Limited content and gets boring quickly
  • 📋 Limited to only three alien races

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

Bugs and requests

Invaders Inc.

Reported bugs

8 issues
  • Game crashes after selecting difficulty
  • White screen glitches after ads
  • Unclosable ads preventing gameplay
  • Ads bypass ad blockers
  • Button malfunctions and unresponsive taps
Show 3 more
  • Typos in game text (e.g., 'evergy' instead of 'energy')
  • Gray screen preventing gameplay
  • Ads consume excessive data

Requested features

12 requests
  • Add more alien races
  • Implement pause and speed controls
  • Add visual effects and animations
  • Include more detailed country-level maps
  • Add online multiplayer mode
Show 7 more
  • Implement news/event system during gameplay
  • Add UI theme personalization and color options
  • Include more languages (Spanish, Russian, Portuguese, German)
  • Add ground forces and combat mechanics
  • Increase point earning rate
  • Add more scenarios and campaigns
  • Include Half-Life alien races

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

In-app purchases

1 purchases

Invaders Inc.

One-time1
  • Upgrade Pack$2.99
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

Questions

Is Invaders Inc. free?
Invaders Inc. is free to download, with in-app purchases available.
Is Bio inc. Redemption free?
Bio inc. Redemption is free to download, with in-app purchases available.
Which has better reviews, Invaders Inc. or Bio inc. Redemption?
Bio inc. Redemption is rated higher. Invaders Inc. averages 3.3 out of 5 from 132 ratings, while Bio inc. Redemption averages 4.7 from 2.2K ratings.
Do Invaders Inc. or Bio inc. Redemption have ads?
Both Invaders Inc. and Bio inc. Redemption show ads.
Which is updated more often, Invaders Inc. or Bio inc. Redemption?
Invaders Inc. ships an update every 3 months, and Bio inc. Redemption every 5 days. Most recently, Invaders Inc. was updated on November 2, 2026 and Bio inc. Redemption on November 7, 2026.

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