# NASA NeMO vs AQUALIA

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.

Both are free to download. AQUALIA sells 15 one-off in-app purchases. NASA NeMO asks for nothing beyond the download.

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.

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

## The numbers

| Metric | NASA NeMO | AQUALIA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (598 ratings)](https://appshunter.io/ios/app/nasa-nemo-net/id1506604930/reviews)** | [4.7 (1K ratings)](https://appshunter.io/ios/app/aqualia/id6480156214/reviews) |
| Number of ratings | 598 | **1K** |
| Positive reviews | **89.1% of reviews** | 68.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 8 days** | Monthly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 590 MB | 224 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NASA](https://appshunter.io/developer/355542146) | [Ligensoft](https://appshunter.io/developer/537512778) |

## What reviewers say

### NASA NeMO

[App page](https://appshunter.io/ios/app/nasa-nemo-net/id1506604930)

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

**In-app purchases:** none

**What reviewers like**

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

**What reviewers complain about**

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

**Reported bugs**

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

**Requested features**

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


### AQUALIA

[App page](https://appshunter.io/ios/app/aqualia/id6480156214)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 600,000 Hearts | $1.99 | one-time |
| Green field Decoration Set | $1.99 | one-time |
| Water Puppy Flowerhorn | $2.99 | one-time |
| Beautiful Betta Fishes Package | $3.99 | one-time |
| Koi Fish Package | $4.99 | one-time |
| 1,500,000 Hearts | $4.99 | one-time |
| Butterfly Koi Fish Set | $5.99 | one-time |
| Japanese Restaurant Package | $6.99 | one-time |
| 2,400,000 Hearts | $6.99 | one-time |
| Dreamland Turtle Aquarium | $9.99 | one-time |
| Christmas Aquarium Set | $12.99 | one-time |
| Mystical Arowana Aquarium Set | $12.99 | one-time |
| 5,000,000 Hearts | $12.99 | one-time |
| Waddling Ranchu Aquarium Set | $14.99 | one-time |
| 8,500,000 Hearts | $19.99 | one-time |

**What reviewers like**

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

**What reviewers complain about**

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

**Reported bugs**

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

**Requested features**

- 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


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*