Comparison

Idle Defense Octopus Evolution vs Dolphin Evolution

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

Head to head
About

Idle Defense Octopus Evolution

Evolve a mutant octopus by collecting DNA and gems to unlock new arms and super weapons. Defend against enemies with easy-to-learn touch controls and enjoy cartoon graphics with rock music. Share your progress and discover new features in this unique tower defense experience.

Highlights
  • Evolve mutant octopus with new arms and weapons
  • Easy touch-and-hold gameplay
  • Cartoon graphics and rock music
  • Unlock shark, dragon, and other arms
  • Utilize frozen, armor, and nuclear weapons
  • Share game records on social media
Features
Read full description

▶▶▶ WATCH Funny Gameplay Video - Starring Oczilla - by FGTeeV: https://bit.ly/oczilla-youtube ▶▶ How to Play: ● Touch & hold on left or right side of the screen to rotate the octopus. ● Use octopus's arms to destroy enemies. ● Use collected DNA, gems and eggs to evolve your mutant octopus. ▶▶ Features: ● Very easy gameplay. ● Cool rock music. ● Beautiful & cute cartoon graphics. ● Many octopus arms: shark, turtle, lobster, elephant, porcupine, dragon... ● Super weapons: frozen, armor, nuclear. ● Share your game record on Facebook, Twitter... ● And many more features waiting for you to discover! ▶▶ Tips: ● Tap on the penguin at home screen to watch the game story (please wait for 5 seconds for him to appear, he has to make up). ● Turning on/off music will also change music type, we have 2 types: rock and relaxing. ● Tap on the flying star bubble at home screen to rate this game. If you love games like tower defense or idle defense games..., this "Oczilla - The Mutant Octopus" game is just for you. Enjoy this awesome tower defence game with brand new unique gameplay! Alright! Happy playing! And don't play too much! Thanks & best regards. == Follow Us == ● Facebook: https://facebook.com/OcsagaStudio ● Twitter: https://twitter.com/OcsagaStudio ● Website: https://ocsaga.com ● Support: us@ocsaga.com

About

Dolphin Evolution

Combine different dolphin species to create new mutations and achieve ocean domination. Tap to earn coins, unlock new creatures, and discover a mind-blowing story with multiple endings. This idle clicker game offers a unique evolutionary journey with doodle-like illustrations.

Highlights
  • Combine similar dolphins to create new species
  • Unlock new creatures and earn coins
  • Discover different stages and dolphin species
  • Experience a story with fishy twists
  • Multiple possible endings
  • Idle clicker gameplay
Features
Read full description

Dolphins, maybe the cutest, smartest and most popular creatures of the seas. But have you ever stopped to think what’s behind this adorable façade? Why, and ocean domination plot, of course! Combine their many different species to create as many mutations as possible and help them fulfill their evil porpoise! You simply HAVE to sea how this deep conspiracy will end. Maybe we’ll all be subjects of a peaceful New Dolphin Order, or perhaps we’ll be thrown into giant tanks to entertain thousands of dolphinspectators with our clever human tricks. Either way, the future looks fishy, so just dive in and enjoy the swim! 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 dolphins HOW TO PLAY • Drag and drop similar dolphins to create new mysterious creatures • Use dolphin eggs to earn coins, buy new creatures and make even more money • Alternatively, fiercely tap a dolphin to make coins pop from their eggs HIGHLIGHTS • Different stages and many dolphin species to discover • A mind-blowing story with fishy twists! • The unexpected mix of alpaca-like evolution and incremental clicker games • Doodle-like illustrations • Various possible endings: find your destiny • No dolphins were harmed in the making of this game, only developers You’ll dolphinitely want to play this! Disclaimer: While this App is completely free to play, some additional content can be purchased for real money in-game. If you do not want to use this feature, please turn off in-app purchases in your device's settings. Like our page on Facebook and be the first to know about our upcoming games and updates! http://fb.com/tappshq

Screenshots

Idle Defense Octopus Evolution4 screens
Dolphin Evolution4 screens

Verdict

The call

The clearest difference is ads: Idle Defense Octopus Evolution at none against Dolphin Evolution's shown. Idle Defense Octopus Evolution also leads on iOS requirement (9.0 vs 15.0). Dolphin Evolution's advantage is review sentiment (93% vs 74%). On price, rating, ratings volume and update cadence 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. Idle Defense Octopus Evolution sells 10 one-off in-app purchases and Dolphin Evolution sells 16 one-off in-app purchases. 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 — 4.6 for Idle Defense Octopus Evolution against 4.7 for Dolphin Evolution. Both are backed by a comparable volume of ratings — 1.9K and 807 respectively. Written reviews are what separate them: 74% of Idle Defense Octopus Evolution's written reviews are positive against 93% of Dolphin Evolution's.

UpkeepUpdate frequency

Idle Defense Octopus Evolution ships an update every 3 weeks, Dolphin Evolution every 6 weeks. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

Scorecard3 real differences · 7 level
Idle Defense Octopus Evolution versus Dolphin Evolution: the parameters behind the verdict, then further details
ParameterIdle Defense Octopus EvolutionDolphin Evolution
PriceFreeFree
Rating4.6 (1.9K ratings)4.7 (807 ratings) — better
Positive reviews73.6% of reviews93.2% of reviews — better
Number of ratings1.9K — better807
Update frequencyEvery 3 weeks — betterEvery 6 weeks
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better15.0
Further details — not scored
Size55 MB126 MB
Age rating9+4+
DeveloperTran Anh KhoaTPG TECNOLOGIA DA INFORMACAO LTDA

Customer experience

Idle Defense Octopus Evolution

All ratings1,878 ratings
Positive88.6%
Neutral3.9%
Negative7.5%
Written reviews197 reviews
Positive73.6%
Neutral7.6%
Negative18.8%

Dolphin Evolution

All ratings793 ratings
Positive94.7%
Neutral2.0%
Negative3.3%
Written reviews133 reviews
Positive93.2%
Neutral3.8%
Negative3.0%

User reviews

Idle Defense Octopus Evolution

From 1.9K App Store ratings

What we love

  • 👍 Fun game
  • 🚀 Addictive gameplay
  • 💡 Unique concept
  • 😊 Great for kids

Room to improve

  • 🐛 Frequent crashes
  • 🔒 Copyright issues
  • 🔋 High ad frequency
  • 🤯 Too difficult

Dolphin Evolution

From 807 App Store ratings

What we love

  • 👍 Fun and entertaining game
  • 💙 Cute and adorable dolphins
  • 🤩 Addictive and engaging gameplay
  • 🌈 Customizable dolphin colors
  • 🎨 Enjoyable evolution process

Room to improve

  • 🐛 Occasional crashes and glitches
  • 💤 Slow progression at times
  • 📺 Excessive advertisements
  • 🤔 Some dolphins look strange

Bugs and requests

Idle Defense Octopus Evolution

Reported bugs

4 issues
  • DNA points disappearing
  • Restart cost too high
  • Levels not loading properly
  • Ads not working as intended

Requested features

4 requests
  • Add more upgrades and customization options
  • Improve level difficulty progression
  • Reduce in-app purchase requirements
  • Fix grammar and spelling errors

Dolphin Evolution

Reported bugs

3 issues
  • Purchased items disappearing after game restart
  • Invisible colors on certain dolphin levels
  • Game freezing after reaching new evolution stages

Requested features

4 requests
  • More levels and evolution stages
  • Additional customization options
  • Improved performance and stability
  • Reduced advertisements or ad-free version

In-app purchases

10 purchases

Idle Defense Octopus Evolution

One-time10
  • DNA Pack 1$0.99
  • Gem Pack 1$0.99
  • DNA Pack 2$1.99
Show 7 more
  • Remove Ads$1.99
  • DNA Pack 3$2.99
  • DNA Pack 4$3.99
  • DNA Pack 5$4.99
  • Gem Pack 5$4.99
  • DNA Pack 10$9.99
  • DNA Pack 20$19.99
16 purchases

Dolphin Evolution

One-time16
  • pack of rubies$1.99
  • Hard Currency Pack 1$1.99
  • pack with diamonds$1.99
Show 13 more
  • Remove Ads$1.99
  • Shop Bundle$2.99
  • Promo Bundles Very High$2.99
  • Hard Currency Pack 2$4.99
  • big pack of rubies$5.99
  • Shop Bundle$5.99
  • Trinket$6.99
  • starter bundle discount$9.99
  • Hard Currency Pack 3$9.99
  • premium bundle discount$9.99
  • Hard Currency Pack 4$19.99
  • veteran bundle discount$19.99
  • starter bundle$24.99

Questions

Is Idle Defense Octopus Evolution free?
Idle Defense Octopus Evolution is free to download, with in-app purchases available.
Is Dolphin Evolution free?
Dolphin Evolution is free to download, with in-app purchases available.
Which has better reviews, Idle Defense Octopus Evolution or Dolphin Evolution?
Dolphin Evolution is rated higher. Idle Defense Octopus Evolution averages 4.6 out of 5 from 1.9K ratings, while Dolphin Evolution averages 4.7 from 807 ratings.
Do Idle Defense Octopus Evolution or Dolphin Evolution have ads?
Dolphin Evolution shows ads; Idle Defense Octopus Evolution does not.
Which is updated more often, Idle Defense Octopus Evolution or Dolphin Evolution?
Idle Defense Octopus Evolution ships an update every 3 weeks, and Dolphin Evolution every 6 weeks. Most recently, Idle Defense Octopus Evolution was updated on October 7, 2026 and Dolphin Evolution on October 10, 2026.

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