Spider Evolution vs ERAIASON
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Spider Evolution
Merge exotic spider species to create new mutant creatures with unique features. Discover different stages, unlock new breeds, and enjoy an open-ended gameplay experience with a humorous story. Earn coins by tapping spiders or using eggs to purchase new creatures and expand your collection.
- Merge spider species to create new mutants
- Discover different stages and spider breeds
- Earn coins by tapping or using spider eggs
- Unlock new creatures and expand your collection
- Experience a humorous story with twists
- Enjoy open-ended, idle gameplay
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If you ever wished spiders were a little less itsy-bitsy and a little more mutanty-radioactivy, this is a game for you! Merge the most exotic spider species you’ll ever come across to create new bug breeds with unpredictably awesome features! You might even be responsible for the origin story of your next friendly neighborhood masked superhero! SPIDER FEATURES - Pantheon: a new place for supreme beings to look down on us mortals and laugh at our misery - Impostors: watch out for impostors trying to steal the spotlight from the spiders. HOW TO PLAY - Drag and drop similar spiders to create new mutant creatures - Use spider eggs to earn coins, buy new creatures and make even more money - Alternatively, fiercely tap a spider to make coins pop from their eggs HIGHLIGHTS - Different stages and many spider species to discover - A mind-blowing story with venomous twists! - The unexpected mix of creature evolution dynamics and incremental clicker games - Doodle-like illustrations - Open-ended gameplay: enjoy the freedom! - No spiders were harmed in the making of this game, only developers Spider Evolution: the new web sensation. Please note! This game is free to play, but it contains items that can be purchased for real money. Some features and extras mentioned in the description may also have to be purchased for real money.
ERAIASON
Oversee a population of evolving AI robots in a dynamic voxel landscape. Design robots, build terrains, and influence their evolutionary path as they learn, adapt, and compete in a simulated ecosystem.
- Evolving AI robots
- Dynamic voxel landscape
- Robot design and creation
- Environment manipulation
- Interactive evolutionary control
- Simulated ecosystem
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EVOLVE YOUR OWN AI ROBOT! You are the (zoo)Keeper overseeing a population of evolving AI robots in a dynamic voxel landscape. These robotic animats walk, jump, eat, mate, fight, and adapt to their surroundings as they strive to survive and reproduce. In theory, the capacity for their intelligence is limitless, as their brains can evolve to any shape and complexity. Will you choose to passively observe their evolution, letting nature take its course? Or will you intervene, shaping their world and influencing their evolutionary path? Design your own animal robots, build custom terrains, manipulate the environment, interact with the animals, and watch as each generation learns, adapts, and competes in a simulated ecosystem that’s as unpredictable as nature itself. The fate of their evolution is in your hands. --------- Introducing a new god game and evolutionary simulation, where you evolve the brains of artificial animals to make them more intelligent, to better achieve survival and reproduction. The animals are real AI robots running directly on your computer. They are controlled by classic neural networks and other types of AI such as non-axiomatic reasoning system. They have a simple form of vision sense, touch sensation, and internal sensations, and they can move each individual body segment. They can eat, mate, and fight, all while learning and evolving in a sandbox voxel environment. Watch evolution passively, or enjoy various interactive features including: + Voxel World: place voxels and modify the environment with sand, stone, water, and more. + Impact Evolution using your Research Journal: modify mutation rates in your Research Journal -- higher rates means faster but more unstable evolution, lower rates means slower but more stable evolution. + Pick up animats: Pick up animats and move the animats around with left click. + Build your own Robot: Go to the Animat Creator from the main menu to create your own robot. You can save it and load it into a simulation to evolve its brain!
Screenshots
Verdict
The clearest difference is price: Spider Evolution at Free against ERAIASON's $4.99. Spider Evolution also leads on ratings volume (306 vs 1). ERAIASON's advantage is in-app purchases (none vs 14) and ads (none vs shown). On 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
Spider Evolution is free to download; ERAIASON costs $4.99 up front. Spider Evolution sells 14 one-off in-app purchases. ERAIASON asks for nothing beyond the download.
ERAIASON holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Spider Evolution has 306 ratings behind it against 1, so its average is the more settled of the two.
Spider Evolution ships an update every 6 weeks, ERAIASON every 3 weeks. The most recent releases landed on October 19, 2026 and October 6, 2026 respectively.
| Parameter | Spider Evolution | ERAIASON |
|---|---|---|
| Price | Free — better | $4.99 |
| Rating | 4.8 (306 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 91.7% of reviews | — |
| Number of ratings | 306 — better | 1 |
| Update frequency | Every 6 weeks | Every 3 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 158 MB | 184 MB |
| Age rating | 4+ | 9+ |
| Developer | TPG TECNOLOGIA DA INFORMACAO LTDA | Christian Hahm |
Customer experience
Spider Evolution
ERAIASON
In-app purchases
Spider Evolution
- Alien Currency Pack 1$1.99
- Hard Currency Pack 1$1.99
- Hard Currency Pack Offer$1.99
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- Remove Ads$1.99
- Shop Bundle 1$2.99
- Promo Bundles Very High$2.99
- Hard Currency Pack 2$4.99
- Alien Currency Pack 2$5.99
- Shop Bundle 2$5.99
- Promo Bundles High$5.99
- Trinket$6.99
- Hard Currency Pack 3$9.99
- Starter Bundle Discount$9.99
- Premium Bundle Discount$9.99
ERAIASON
No in-app purchases
Questions
Is Spider Evolution free?
Is ERAIASON free?
Which has better reviews, Spider Evolution or ERAIASON?
Do Spider Evolution or ERAIASON have ads?
Which is updated more often, Spider Evolution or ERAIASON?
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