Comparison

Biotix vs X

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

Head to head
About

Biotix

Engage in a microscopic war for survival, evolving your species through genetic engineering. Explore a world under the microscope, battle viral enemies, and conquer host cells to become dominant. Features include upgradable stats, challenging levels, and multiplayer modes.

Highlights
  • Genetic engineering for species enhancement
  • Microscopic world exploration
  • Viral combat against other organisms
  • Upgradable stats and abilities
  • Challenging levels and host cell types
  • Multiplayer mode
Features
Read full description

Immerse yourself in an epic war for survival, encounter tiny, yet deadly enemies, guide the smallest of beings to greatest victories, evolve and become the dominant species. Core: Your mission is to ensure the survival of your species. Use genetic engineering to make your life form stronger, gain new abilities, help it replicate and conquer new hosts. Discover a new world under the microscope. Prove your skills in deadly viral fight with other microbiological organisms. Features: - Universal App - Distinct iPhone and iPad levels. - Full Retina support - Endless replay value: play with randomized enemies, collect rewards for each replay. - 5 Upgradable stats, 10 Upgrade levels, 100.000 upgrade combinations. - Unlock 30 challenging levels - Interact with four host cell types: Normal, Regeneration, Defense, Speed - Multi Touch - Intuitive Controls - Multiplayer

About

X

Lead an alien invasion force to conquer Earth in this challenging strategy game. Utilize unique alien species and over fifty invasion tactics, evolving your army as you fight against humanity's defenses. Experience a galactic war where only the most strategic players can achieve victory.

Highlights
  • Alien invasion strategy
  • Ten alien species to command
  • Over fifty strategic invasion variants
  • Extensive upgrade trees
  • Challenging gameplay
  • Galactic war simulation
Features
Read full description

X-Core. Galactic Plague is a really challenging strategy for iOs Take side of alien invaders and attack earthlings with the game mechanics like in plague or pandemic. Only 10% of players may boast of complete levels. Test yourself. Fight against earthlings. X-Core. Galactic Plague is a real war. A space war depicting a clash of alien civilizations and earthlings. There have always been wars, but this war you will never forget. Like the plague, galaxy invaders will attack the earth and leave only a fallout wasteland after them. Aliens are attacking as never before! Pathetic earthlings can’t avoid the invasion. So they have to prepare their primitive weapons, missiles, tanks – everything that can help them survive this clash. Ten alien species are available to you: -Greys -Repriloids -Insectoids -Egyptian gods -Psychotrons -Biomorphes -Energy beings -Machines -Galaxy Council -USSR – United Space Socialistic Republics More than fifty strategic variants to invade the earth are available to you. Big upgrade trees enable you to evolve in the middle of your invasion company. Aliens vs. Earthlings – a banal theme for any movie, game, whether strategy or action. A banal theme turned upside down that will make you feel as a leader of an alien invasion army. It’s up to you how to proceed. Forward, my space general! Lead your army to victory! Be the plague, be the epidemic, evolve, kill, conquer! Support X-CORE: Facebook: https://www.facebook.com/xcore.galactic.plague/ Google+ https://plus.google.com/communities/118131895337046348904 Instagram https://www.instagram.com/xcore_galactic_plague_official/

Screenshots

Biotix4 screens
X3 screens

Verdict

The call

The clearest difference is rating: Biotix at 4.3 against X's 3.6. Biotix also leads on review sentiment (80% vs 56%) and ratings volume (467 vs 65). On price, ads, in-app purchases and monetization model 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. Biotix sells 6 one-off in-app purchases and X 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

Biotix holds the better App Store score, 4.3 against 3.6. That said, the two scores are not equally well evidenced: Biotix has 467 ratings behind it against 65, so its average is the more settled of the two. Written reviews point the same way: 80% of Biotix's written reviews are positive against 56% of X's.

UpkeepUpdate frequency

Biotix ships an update every 9 months, X every 17 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

Scorecard4 real differences · 6 level
Biotix versus X: the parameters behind the verdict, then further details
ParameterBiotixX
PriceFreeFree
Rating4.3 (467 ratings) — better3.6 (65 ratings)
Positive reviews80.5% of reviews — better55.7% of reviews
Number of ratings467 — better65
Update frequencyEvery 9 months — betterEvery 17 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.6
Further details — not scored
Size154 MB186 MB
Age rating4+12+
DeveloperAlexandru CraciunMikhail Vladimirovich

Customer experience

Biotix

All ratings468 ratings
Positive82.1%
Neutral8.5%
Negative9.4%
Written reviews830 reviews
Positive80.5%
Neutral8.1%
Negative11.4%

X

All ratings65 ratings
Positive61.5%
Neutral9.2%
Negative29.2%
Written reviews70 reviews
Positive55.7%
Neutral11.4%
Negative32.9%

User reviews

Biotix

From 467 App Store ratings

What we love

  • 🚀 Quick gameplay
  • 👍 Addictive and fun
  • 🎨 Great visuals

Room to improve

  • 🔁 Repetitive and grindy
  • 💰 Pay-to-win mechanics
  • 🐛 Bugs and glitches
  • 🔍 Lack of content/levels

X

From 65 App Store ratings

What we love

  • 👍 Addictive gameplay
  • 👍 Great time killer
  • 👍 Interesting concept
  • 👍 Good music
  • 👍 Can be played offline

Room to improve

  • ⚖️ Extremely difficult on easy
  • ⚖️ Unbalanced gameplay
  • ⚖️ Paywalls for progression
  • ⚖️ In-game purchases not working
  • ⚖️ Frustrating difficulty spikes

Bugs and requests

Biotix

Reported bugs

3 issues
  • Game freezing/crashing
  • Ads not removed after purchase
  • Multiplayer issues

Requested features

3 requests
  • More levels and content
  • Improved multiplayer experience
  • Better progression system

X

Reported bugs

17 issues
  • In-game purchases not working
  • Buy button unresponsive
  • Game crashes and restarts progress
  • Egyptian Gods race not working
  • Scripture for mobility not infecting new countries
Show 12 more
  • Awareness skyrockets too quickly
  • Secret weapon progress speed inconsistent
  • Bug with negative 'free' population after wiping out a nation
  • Island nations unconquerable after 90% world conquest
  • Bug where island remains unconquered
  • Game glitches and crashes
  • Screen doesn't fit correctly
  • X-comp turned into action
  • Game freezes on login screen
  • Incompatible with older devices
  • Purchased crystals not received
  • Secret weapon research time changes drastically

Requested features

13 requests
  • Fix in-game purchase issues
  • Add more characters/races
  • Add new gimmicks
  • Make game easier
  • More crystal ads
Show 8 more
  • Add multiplayer
  • Add hints for players
  • Option to remove/minimize news
  • Add UFO designation system for unreachable areas
  • Option to repurchase upgrades
  • Optimize screen for iPhone X
  • Add daily crystal bonus
  • Make game cost money upfront instead of paywalls

In-app purchases

6 purchases

Biotix

One-time6
  • 10.000 Coins$0.99
  • 24.000 Coins$1.99
  • Disable Ads$1.99
Show 3 more
  • 48.000 Coins$2.99
  • Special Offer$3.99
  • 128.000 Coins$5.99
10 purchases

X

One-time10
  • crystal_1$0.99
  • 2000+100 crystals$1.99
  • 3000+250 crystals$2.99
Show 7 more
  • USSR$3.99
  • 4000+450 crystals$3.99
  • Reptilians$3.99
  • Insectoids$3.99
  • Egypt gods$3.99
  • Galactic Council$3.99
  • 9000+2200 crystals$8.99

Questions

Is Biotix free?
Biotix is free to download, with in-app purchases available.
Is X free?
X is free to download, with in-app purchases available.
Which has better reviews, Biotix or X?
Biotix is rated higher. Biotix averages 4.3 out of 5 from 467 ratings, while X averages 3.6 from 65 ratings.
Do Biotix or X have ads?
Neither Biotix nor X shows ads.
Which is updated more often, Biotix or X?
Biotix ships an update every 9 months, and X every 17 months. Most recently, Biotix was updated on November 1, 2026 and X on November 2, 2026.

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