Comparison

Spider Evolution vs Idle Alien Octopus

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

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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.

About

Idle Alien Octopus

Control an octopus and evolve it into a fearsome sea monster. Hunt and consume everything in sight, from fish and humans to ships and even spacecraft, to grow stronger and explore vast underwater and outer space environments. Upgrade your creature's abilities to dominate the ocean and beyond.

Highlights
  • Octopus hunting simulation
  • Evolve into a legendary sea creature
  • Explore diverse 3D environments
  • Upgrade creature stats and abilities
  • Idle mechanics with auto-swimming
  • Boss fights and underwater battles
Features
Read full description

Dive into the deep blue ocean and take control of a real octopus in this awesome animal sim! Meet your new virtual pet that will become an evil underwater killer predator! Transform it from a defenseless baby shark octopi a legendary sea creature that everyone fears. Explore the dangerous world encountering scuba divers, ships, and other fish. Hunt and attack all of them. Kill and eat, don’t let anyone survive - it’s your dinner time! Upgrade your hungry devilfish into an epic hunting sea monster! Idle Octopus Evolution is the ultimate beast simulator! FEATURES ● Octopus game hunting ● Free to play action animal adventure ● Beautiful infinity 3D world ● Realistic environment ● Ragdoll physics and authentic humans ● Crazy Octornado mode ● 10+ seas and oceans ● 1000+ different objects to eat ● Idle mechanics with auto-swimming mode EAT! The shark is the bloodthirsty sea creature that devours everyone that crosses its path. The brave killer whale or hungry piranha cannot compare with its savagery and hunger. Control your sea dragon in this wild animal simulator. Terrorize the waters, hunt for survival, and come back with a full stomach. You can eat whatever you see in the ocean! Kill scared humans, scuba divers, fishermen, and resort vacationers. Swallow dolphins, whales, and seagulls. Munch boats, yachts, and container ships. Feed the monster: more victims, more fun! EVOLVE! Your idle octopus must evolve to increase its power in the ocean. Remember that you are not the only predator in the coastal waters! Just click and grow, hunt and eat. Each sea beast has unique bonuses to increase your profit and strength. Evolve your fish into a great octopi, devilfish, or Kraken! They have monstrous 3D tentacles to bite! Upgrade your monster’s swimming speed, damage, and resistance levels. EXPLORE! There is no place your hungry octopus won’t go! Explore the beautiful underwater kingdom! Swim and examine the world both above and below the waves! Your hunting environment is endless: Jurassic dino universe, resort beaches, gulf coasts, and the open ocean! Rise to the challenge and take your octopi to the sky! Eat planes with pilots and unsuspecting passengers! Devour spacecraft with brave astronauts! Keep the killing spree going even in outer space! The huge virtual 3D environment is for you to roam! UPGRADE! Want to create even more destruction and chaos? Upgrade your octopus to increase its tentacles strength and attack power. Grow your monster to eat more significant objects. Level up your beast to grow its speed and swimming velocity. Increase the health and attack damage of your hungry dragon. Earn better points to improve your octopus game stats. Gain experience by catching and eating your prey. It will be a bloody mess! FIGHT! To unlock new locations, start a boss fight with a variety of enemies on your way. Let your sea monster brawl in the underwater battle arena! Attack surfers, boats, whales, dolphins, and other opponents to become the king of the ocean. Assemble the best squads of fish to win your opponents in this hungry octopus attack simulator game! Complete your mission and destroy everything that comes your way for survival. ENJOY! Idle Octopus Evolution World is a realistic fish simulator game. Just swipe your finger on the screen to move the octopi. Attack plenty of people, fish, and ships. This ragdoll game is easy to control! Enjoy cool graphics, a lifelike environment, realistic water physics, and addictive gameplay. Get a thrill out of great music and sound effects. This octopus simulator has everything you expect from a fun 3D sim game! Get ready to enjoy the best animal adventure game Idle Octopus World! Take control of an angry and hungry fish in this aquatic feeding frenzy. Eat everything in your path. Evolve your beast to become a mega octopus, the apex legendary predator. Survive as long as possible and explore fantastic new locations in this action octopus simulator!

Screenshots

Spider Evolution4 screens
Idle Alien Octopus4 screens

Verdict

The call

Spider Evolution and Idle Alien Octopus both sit at 4.8 stars, but that hides the real split: 92% of Spider Evolution's written reviews are positive against 60% of Idle Alien Octopus's. Spider Evolution also leads on update cadence (every 6 weeks vs every 22 months) and ratings volume (313 vs 33). On price, rating, 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. Spider Evolution sells 14 one-off in-app purchases and Idle Alien Octopus sells 1 one-off in-app purchase. 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 — 4.8 for Spider Evolution against 4.7 for Idle Alien Octopus. That said, the two scores are not equally well evidenced: Spider Evolution has 313 ratings behind it against 33, so its average is the more settled of the two. Written reviews are what separate them: 92% of Spider Evolution's written reviews are positive against 60% of Idle Alien Octopus's.

UpkeepUpdate frequency

Spider Evolution ships an update every 6 weeks, Idle Alien Octopus every 22 months. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

Scorecard3 real differences · 7 level
Spider Evolution versus Idle Alien Octopus: the parameters behind the verdict, then further details
ParameterSpider EvolutionIdle Alien Octopus
PriceFreeFree
Rating4.8 (313 ratings) — better4.7 (33 ratings)
Positive reviews91.7% of reviews — better60.0% of reviews
Number of ratings313 — better33
Update frequencyEvery 6 weeks — betterEvery 22 months
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size158 MB172 MB
Age rating4+9+
DeveloperTPG TECNOLOGIA DA INFORMACAO LTDANikita Subachev

Customer experience

Spider Evolution

All ratings306 ratings
Positive94.8%
Neutral3.9%
Negative1.3%
Written reviews12 reviews
Positive91.7%
Neutral8.3%
Negative0.0%

Idle Alien Octopus

All ratings16 ratings
Positive93.8%
Neutral0.0%
Negative6.3%
Written reviews5 reviews
Positive60.0%
Neutral0.0%
Negative40.0%

In-app purchases

14 purchases

Spider Evolution

One-time14
  • Alien Currency Pack 1$1.99
  • Hard Currency Pack 1$1.99
  • Hard Currency Pack Offer$1.99
Show 11 more
  • 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
1 purchases

Idle Alien Octopus

One-time1
  • No Ads$3.99

Questions

Is Spider Evolution free?
Spider Evolution is free to download, with in-app purchases available.
Is Idle Alien Octopus free?
Idle Alien Octopus is free to download, with in-app purchases available.
Which has better reviews, Spider Evolution or Idle Alien Octopus?
Spider Evolution is rated higher. Spider Evolution averages 4.8 out of 5 from 313 ratings, while Idle Alien Octopus averages 4.7 from 33 ratings.
Do Spider Evolution or Idle Alien Octopus have ads?
Both Spider Evolution and Idle Alien Octopus show ads.
Which is updated more often, Spider Evolution or Idle Alien Octopus?
Spider Evolution ships an update every 6 weeks, and Idle Alien Octopus every 22 months. Most recently, Spider Evolution was updated on October 24, 2026 and Idle Alien Octopus on October 27, 2026.

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