213+ iOS apps & games curated and reviewed
The best alien evolution apps on iPhone average 4.6★ across 213+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.
Command an alien and grow its army by defeating humans in this idle RPG. Evolve your alien with new abilities, upgrade its stats, and face challenging boss battles to achieve extraterrestrial dominance.
Merge and evolve a galaxy of mutant creatures across different planets. Discover new species, unlock ultimate forms, and explore a mind-blowing story with fantastical twists. Enjoy open-ended gameplay with doodle-like illustrations.
Combine identical creatures to evolve them into more advanced forms. Explore diverse biomes, discover new worlds, and witness the journey from simple beings to magnificent dragons. Choose your evolutionary path and create your own monster-filled universe.
An idle evolutionary simulator where you tap to guide life from simple organisms to advanced beings like cyborgs and posthumans. Explore different evolutionary paths, conquer space, and discover new life forms on other planets. Participate in themed events to unlock new worlds and creatures.
Lead an alien invasion to conquer Earth by building and evolving a monster army. Raid human bases, gather resources, and upgrade your lab and creatures for ultimate domination in this sci-fi strategy game.
Defend cities from a relentless zombie horde in this idle defense game. Upgrade your arsenal with earned currency, unlock unique weapons and skills, and battle legendary bosses. It's an easy-to-learn, tough-to-master experience that tests your swiping and tapping skills.
Merge and evolve dragons to discover new mutant creatures. Collect coins by managing your dragons and use them to buy more beasts or earn money. Customize your dragons with hats and navigate through different levels while avoiding impostors.
Simulate incredible transformations from human to mythical creatures like Werewolves, Yetis, and Aliens. Explore various evolutionary paths and discover unexpected outcomes in this engaging simulation game.
Embark on a survival journey through eons of evolution, starting as a small organism and climbing the food chain. Master new environments, evolve through distinct geological ages, and unlock mythical creatures. This engaging simulator offers hours of relaxing, Darwinian fun with beautiful graphics and varied landscapes.
Defend against endless zombie waves in this atmospheric strategy RPG. Equip heroes with weapons, upgrade them, and strategically battle hordes of the undead in a post-apocalyptic world. Test your skills against challenging bosses and become the ultimate zombie killer.
Guide a species from its humble beginnings as a single cell to a space-faring civilization. Evolve your creature, develop your tribe, build cities, and conquer the stars in this epic evolutionary simulation.
Breed unique dinosaurs through strategic cross-breeding and hatch infinite eggs to expand your collection. Claim powerful mutant T-Rexes, hunt for food, and customize your creatures for universe contests and tribe wars. Participate in live events for rewards and enjoy ongoing updates in this multiplayer game.
Embark on an evolutionary journey from a single cell to a technological singularity. Tap to gain entropy, unlock new chapters of life, and witness milestones like dinosaur extinction and the Industrial Revolution. Explore the past, present, and future of humanity in this engaging idle clicker game.
Engage in a thrilling 3D invasion game where you must identify and eliminate hidden aliens disguised as ordinary people. Utilize scanners and blasters to complete levels, unlock new weapons, and rescue citizens from alien isolation across various city suburbs.
Create unique creatures and guide their evolution on alien planets. Compete with other players online to become the strongest inhabitant. Share your creations and participate in themed events.
Embark on an epic sci-fi adventure in this idle RPG. Collect over 100 unique heroes from three factions, strategize your squad's combat, and explore a rich fantasy universe. Enjoy continuous progress even when you're away from the game.
Explore the 4-billion-year history of life on Earth through an engaging idle game. Learn about ancient creatures and human culture while restoring biological forms and unlocking evolutionary mysteries. Experience a blend of casual gameplay and educational content.
Engage in fast-paced combat against mutating enemies in a collapsing world. Absorb traits to evolve, unlock new skills, and adapt your form to survive. Grow monstrous or remain agile to overcome challenges.
Combine different mutant zombies to create a unique undead horde. Discover new species, unlock a mind-blowing story, and find various endings in this incremental clicker game. It's a biohazard dream for aspiring necromancers.
Evolve your insect colony from simple larvae to powerful hive minds in this 3D incremental idle clicker game. Conquer territory, sacrifice units for growth, and ascend to unlock new mutations and expand your swarm across the universe.