Comparison

NASA NeMO vs AQUALIA

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

Head to head
About

NASA NeMO

Contribute to ocean conservation by classifying coral reefs through interactive 3D painting. Explore vibrant underwater environments, learn about marine life, and see your contributions directly support NASA's research.

Highlights
  • 3D coral painting
  • Explore underwater worlds
  • Learn about oceans
  • Augmented reality (AR) mode
  • Contribute to NASA research
Read full description

Join the NASA team by helping us classify coral reefs! Travel the world, make friends with ocean wildlife, and classify real coral by painting in 3D. The classifications you create go directly to NASA and help protect the oceans! * 3D PAINTING - Relax and fingerpaint, or use an Apple Pencil, to express yourself and help the environment * UNDERWATER WORLDS - Explore the open ocean meeting clownfish, sea turtles, whale shark and more * LEARN AS YOU GO - Learn about the oceans and how to classify coral as you go, no prior knowledge needed * PLAY IN AR - View the world’s corals in your own house on any augmented reality enabled device

About

AQUALIA

Design and manage your dream aquarium, raising over 180 types of tropical fish. Decorate your tank with hundreds of items, feed your fish, and keep it clean for their steady growth. Enjoy mini-games to earn rewards and unlock new content.

Highlights
  • Raise 180+ fish types
  • Decorate with 280+ items
  • Fish feeding and tank cleaning
  • Level up fish for upgrades
  • Play integrated mini-games
  • Earn rare fish and decorations
Features
Read full description

We present to you the most beautiful fish tank in the world. Fill your fish tank with a variety of tropical fish and design the aquarium with your own concept. 1. The fun of raising various fish You can purchase eggs from over 180 types of fish and hatch and grow them yourself. Over time, the fish get hungry and the tank gets dirty. Feed the fish and keep the fish tank clean to ensure steady growth. 2. Decorate your own aquarium Create your own aquarium by arranging over 280 types of decorations as you wish. You can create a variety of aquariums that you could only dream of. 3. Grow and level up your fish! Grow your fish to 100% and upgrade levels as you gain experience. Each time you level up, fish tanks with more diverse concepts await you. 4. When you’re bored, play a mini game! Do you feel like the time spent growing fish is boring? Enjoy the high-quality mini games prepared for you. Rare fish and decorations can be obtained as bonuses! Instagram: @aqualia_game Facebook: https://www.facebook.com/aqualia.game

Screenshots

NASA NeMO4 screens
AQUALIA4 screens

Verdict

The call

The clearest difference is in-app purchases: NASA NeMO at none against AQUALIA's 15. NASA NeMO also leads on ads (none vs shown) and review sentiment (89% vs 69%). On price, rating, ratings volume and device support 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. AQUALIA sells 15 one-off in-app purchases. NASA NeMO asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

NASA NeMO holds the better App Store score, 4.9 against 4.7. Both are backed by a comparable volume of ratings — 598 and 1K respectively. Written reviews point the same way: 89% of NASA NeMO's written reviews are positive against 69% of AQUALIA's.

UpkeepUpdate frequency

NASA NeMO ships an update every 8 days, AQUALIA monthly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

Scorecard6 real differences · 4 level
NASA NeMO versus AQUALIA: the parameters behind the verdict, then further details
ParameterNASA NeMOAQUALIA
PriceFreeFree
Rating4.9 (598 ratings) — better4.7 (1K ratings)
Positive reviews89.1% of reviews — better68.6% of reviews
Number of ratings5981K — better
Update frequencyEvery 8 days — betterMonthly
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS11.0 — better13.0
Further details — not scored
Size590 MB224 MB
Age rating4+4+
DeveloperNASALigensoft

Customer experience

NASA NeMO

All ratings599 ratings
Positive97.7%
Neutral1.5%
Negative0.8%
Written reviews110 reviews
Positive89.1%
Neutral5.5%
Negative5.5%

AQUALIA

All ratings995 ratings
Positive92.4%
Neutral3.5%
Negative4.1%
Written reviews156 reviews
Positive68.6%
Neutral14.7%
Negative16.7%

User reviews

NASA NeMO

From 598 App Store ratings

What we love

  • 👍 Fun and relaxing gameplay
  • 🌍 Helps save the coral reefs
  • 🎓 Educational and informative
  • 🤖 Contributes to AI training
  • 🎨 Enjoyable coloring experience

Room to improve

  • 🐛 Occasional crashes and bugs
  • 🤔 Unclear instructions or tutorial
  • 🖱️ Difficult controls without a mouse
  • 🕰️ Slow data loading and processing

AQUALIA

From 1K App Store ratings

What we love

  • 🎨 Beautiful graphics
  • 🎶 Relaxing music
  • 🔍 Detailed fish information
  • 🎮 Fun mini-games
  • 📺 No intrusive ads

Room to improve

  • 🤖 AI-generated art
  • 🔍 Unclear game mechanics
  • 🧭 Limited camera controls
  • 🐟 Mixing of freshwater and saltwater fish
  • 🔁 Repetitive tasks

Bugs and requests

NASA NeMO

Reported bugs

3 issues
  • Unable to close 2D mode menu
  • Freezing or crashing during gameplay
  • Inconsistent data loading and connectivity

Requested features

4 requests
  • More detailed coral identification guides
  • Ability to skip tutorial or intro
  • Customizable UI and controls
  • Progress tracking and achievements

AQUALIA

Reported bugs

4 issues
  • Flashing logo causing seizure concerns
  • Slow server load times
  • Progress not saving properly
  • Inconsistent hitboxes in mini-games

Requested features

6 requests
  • Ability to sell or remove fish from main tank
  • Automatic fish growth and tank maintenance
  • Separate tanks for freshwater and saltwater fish
  • More mini-game options
  • Ability to name and level up fish
Show 1 more
  • Expanded tank customization options

In-app purchases

None

NASA NeMO

No in-app purchases

15 purchases

AQUALIA

One-time15
  • 600,000 Hearts$1.99
  • Green field Decoration Set$1.99
  • Water Puppy Flowerhorn$2.99
Show 12 more
  • Beautiful Betta Fishes Package$3.99
  • Koi Fish Package$4.99
  • 1,500,000 Hearts$4.99
  • Butterfly Koi Fish Set$5.99
  • Japanese Restaurant Package$6.99
  • 2,400,000 Hearts$6.99
  • Dreamland Turtle Aquarium$9.99
  • Christmas Aquarium Set$12.99
  • Mystical Arowana Aquarium Set$12.99
  • 5,000,000 Hearts$12.99
  • Waddling Ranchu Aquarium Set$14.99
  • 8,500,000 Hearts$19.99

Questions

Is NASA NeMO free?
NASA NeMO is free to download, with no in-app purchases.
Is AQUALIA free?
AQUALIA is free to download, with in-app purchases available.
Which has better reviews, NASA NeMO or AQUALIA?
NASA NeMO is rated higher. NASA NeMO averages 4.9 out of 5 from 598 ratings, while AQUALIA averages 4.7 from 1K ratings.
Do NASA NeMO or AQUALIA have ads?
AQUALIA shows ads; NASA NeMO does not.
Which is updated more often, NASA NeMO or AQUALIA?
NASA NeMO ships an update every 8 days, and AQUALIA monthly. Most recently, NASA NeMO was updated on November 3, 2026 and AQUALIA on October 30, 2026.

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