Comparison

Idle Zoo Tycoon 3D vs Idle Aquarium

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

Head to head
About

Idle Zoo Tycoon 3D

Build and manage your dream zoo from the ground up. Attract visitors, earn money, and strategically upgrade your park with new animals and improved enclosures. Keep your customers happy to maximize your earnings and unlock exciting new features.

Highlights
  • Build and manage a zoo
  • Earn money and upgrade
  • Unlock new animals
  • Upgrade enclosures
  • Manage customer happiness
  • Easy to understand gameplay
Features
Read full description

Are you ready to manage the zoo of your dreams & get rich? Start from scratch with one animal park, welcome new visitors, earn cash & upgrade it to the zoo of your dreams! Manage your zoo wisely to keep your customers happy. Earn money, spend it smartly to bring new animals to your zoo. Increase your activity & unlock tons of new features. Features : - Easy to understand gameplay - New animals to unlock - Upgrade your animal enclosures - Customer happiness management Much more coming soon, stay tuned! We make casual moments turn into mad adventures! We’re a gaming studio composed of ‘Casually Mad’ game makers. We produce all of our games internally. We live to tell unique stories and express those in the games we create for players around the world. This passion is echoed by millions that enjoy playing our games like Stickman Hook, Parkour Race and Sausage Flip. Play with us and see what’s next! Let’s hear from you! Join the official Madbox Discord server and share your thoughts. https://bit.ly/35Td03Y Looking for the latest fun and more? Check us out on Instagram - https://bit.ly/3eHq3YF

About

Idle Aquarium

Build and manage a thriving aquarium, attracting visitors and collecting diverse aquatic life. Upgrade exhibits, research marine species, and expand your facilities to earn money and become a wealthy aquarium tycoon.

Highlights
  • Build and upgrade aquarium exhibits
  • Attract and keep guests happy
  • Collect diverse fish species
  • Upgrade tanks and facilities
  • Expand with new exhibits and gift shop
Features
Read full description

Welcome to Idle Aquarium! Build a fin-tastic aquarium brimming with aquatic life and reel in the money! • Start small Start with a small exhibit where visitors can see the fish in your collection and use their donations to improve your aquarium! • Attract guests Decorate and improve your reception in order to attract more customers and keep them happy through aquatic research and happy marine life. More visitors means more donations for your aquarium! • Collect fish Sail away to discover new fish species that you can include in your aquarium exhibits and bring in rarer and legendary fish... is that a Kraken?! • Upgrade tanks Buy new fish tanks and improve the existing ones so that you can accommodate even more fish. Adding tank decoration or information stands will make customers even happier, which will translate into more donations! • Expand Upgrade your gift shop by adding new sale items or improving the existing ones. You can also add other exhibits rooms to host other species such as otters, penguins or lobsters. Your customers will appreciate it and will spend more money! Take your aquarium to the next level and become rich!

Screenshots

Idle Zoo Tycoon 3D4 screens
Idle Aquarium4 screens

Verdict

The call

The clearest difference is update cadence: Idle Aquarium at every 3 weeks against Idle Zoo Tycoon 3D's every 2 months. Idle Aquarium also leads on review sentiment (53% vs 45%) and iOS requirement (10.0 vs 15.0). Idle Zoo Tycoon 3D's advantage is ratings volume (32K vs 5.1K). 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. Idle Zoo Tycoon 3D sells 3 one-off in-app purchases and Idle Aquarium sells 11 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 — 4.7 for Idle Zoo Tycoon 3D against 4.8 for Idle Aquarium. That said, the two scores are not equally well evidenced: Idle Zoo Tycoon 3D has 32K ratings behind it against 5.1K, so its average is the more settled of the two. Written reviews are what separate them: 45% of Idle Zoo Tycoon 3D's written reviews are positive against 53% of Idle Aquarium's.

UpkeepUpdate frequency

Idle Zoo Tycoon 3D ships an update every 2 months, Idle Aquarium every 3 weeks. The most recent releases landed on September 24, 2026 and September 22, 2026 respectively.

Scorecard4 real differences · 6 level
Idle Zoo Tycoon 3D versus Idle Aquarium: the parameters behind the verdict, then further details
ParameterIdle Zoo Tycoon 3DIdle Aquarium
PriceFreeFree
Rating4.7 (32K ratings)4.8 (5.1K ratings) — better
Positive reviews44.9% of reviews53.1% of reviews — better
Number of ratings32K — better5.1K
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.010.0 — better
Further details — not scored
Size199 MB311 MB
Age rating4+4+
DeveloperMADBOXPlaystack Ltd

Customer experience

Idle Zoo Tycoon 3D

All ratings31,726 ratings
Positive92.1%
Neutral4.2%
Negative3.6%
Written reviews642 reviews
Positive44.9%
Neutral14.8%
Negative40.3%

Idle Aquarium

All ratings5,056 ratings
Positive95.3%
Neutral2.6%
Negative2.1%
Written reviews207 reviews
Positive53.1%
Neutral15.9%
Negative30.9%

User reviews

Idle Zoo Tycoon 3D

From 32K App Store ratings

What we love

  • 🚀 Fast progression
  • 👍 Cute graphics
  • 🚀 Relaxing gameplay
  • 👍 Optional ads
  • 👍 Addictive

Room to improve

  • 🐛 Frequent progress resets
  • 🔋 Battery drain
  • 🐛 Ads not working
  • 🐛 Glitches and bugs
  • 🔋 Overheating issues

Idle Aquarium

From 5.1K App Store ratings

What we love

  • 👍 Fun and addictive gameplay
  • 🚀 Smooth performance and animations
  • 💎 Cute and appealing aquarium design
  • 🤑 Rewarding progression system

Room to improve

  • 🔍 Limited content and short playtime
  • 📺 Excessive use of ads
  • 🔒 Issues with purchased content not carrying over
  • 🐛 Bugs and glitches affecting gameplay

Bugs and requests

Idle Zoo Tycoon 3D

Reported bugs

4 issues
  • Progress resets when unlocking new zoos
  • Ads not loading or rewarding properly
  • Habitat visuals not updating correctly
  • Offline earnings not accruing properly

Requested features

5 requests
  • More zoo locations
  • Ability to revisit previous zoos
  • More animal variety
  • Customization options
  • Dinosaur park update

Idle Aquarium

Reported bugs

3 issues
  • Trawler feature not working as intended
  • Purchased ad-removal not persisting across sessions
  • Freezing and crashing issues

Requested features

4 requests
  • More fish and aquarium types to unlock
  • Ability to customize tanks and aquarium layout
  • Offline progress and rewards
  • Improved idle/passive income generation

In-app purchases

3 purchases

Idle Zoo Tycoon 3D

One-time3
  • Golden Gates$4.99
  • Zoo Manager$8.99
  • Best Value Pack$9.99
11 purchases

Idle Aquarium

One-time11
  • Small Gem Bundle$1.99
  • Bundle of small fish$1.99
  • Bundle of medium fish$2.99
Show 8 more
  • Earnings Booster!$2.99
  • Gem Bundle$4.99
  • Basic Bundle$4.99
  • Super Earnings Booster!$4.99
  • Welcome Bundle$8.99
  • Remove Adverts$9.99
  • Mega Earnings Booster!$9.99
  • Master Bundle$19.99

Questions

Is Idle Zoo Tycoon 3D free?
Idle Zoo Tycoon 3D is free to download, with in-app purchases available.
Is Idle Aquarium free?
Idle Aquarium is free to download, with in-app purchases available.
Which has better reviews, Idle Zoo Tycoon 3D or Idle Aquarium?
Idle Aquarium is rated higher. Idle Zoo Tycoon 3D averages 4.7 out of 5 from 32K ratings, while Idle Aquarium averages 4.8 from 5.1K ratings.
Do Idle Zoo Tycoon 3D or Idle Aquarium have ads?
Both Idle Zoo Tycoon 3D and Idle Aquarium show ads.
Which is updated more often, Idle Zoo Tycoon 3D or Idle Aquarium?
Idle Zoo Tycoon 3D ships an update every 2 months, and Idle Aquarium every 3 weeks. Most recently, Idle Zoo Tycoon 3D was updated on September 24, 2026 and Idle Aquarium on September 22, 2026.

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