# Idle Sea Tycoon vs Idle Aquaria

The clearest difference is rating: Idle Sea Tycoon at 4.5 against Idle Aquaria's 3.0. Idle Sea Tycoon also leads on in-app purchases (none vs 12) and review sentiment (50% vs 18%). Idle Aquaria's advantage is update cadence (every 5 days vs every 13 months). On price, ads and device support there is nothing between them.

Both are free to download. Idle Aquaria sells 12 one-off in-app purchases. Idle Sea Tycoon asks for nothing beyond the download.

Idle Sea Tycoon holds the better App Store score, 4.5 against 3.0. That said, the two scores are not equally well evidenced: Idle Sea Tycoon has 86 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 50% of Idle Sea Tycoon's written reviews are positive against 18% of Idle Aquaria's.

Idle Sea Tycoon ships an update every 13 months, Idle Aquaria every 5 days. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Idle Sea Tycoon | Idle Aquaria |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (86 ratings)](https://appshunter.io/ios/app/idle-sea-tycoon/id1489844530/reviews)** | [3.0 (10 ratings)](https://appshunter.io/ios/app/idle-aquaria-ocean-evolution/id6460979621/reviews) |
| Number of ratings | **86** | 10 |
| Positive reviews | **50.0% of reviews** | 18.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 13 months | **Every 5 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 59 MB | 269 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [Firoz Hasan](https://appshunter.io/developer/1479025325) | [Amberbite GmbH](https://appshunter.io/developer/1702231504) |

## What reviewers say

### Idle Sea Tycoon

[App page](https://appshunter.io/ios/app/idle-sea-tycoon/id1489844530)

Discover and collect various fish species to expand your underwater world. Earn money even when offline to purchase new habitats and unlock more aquatic life. Enjoy mini-games and explore battle arenas in different water environments.

**Highlights:** Collect and grow fish species, Unlock new fish, Earn idle money offline, Buy new fish habitats, Play mini games, Explore battle arenas, Manage beautiful aquariums

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Idle Aquaria

[App page](https://appshunter.io/ios/app/idle-aquaria-ocean-evolution/id6460979621)

Embark on a meditative journey in a calming aquatic world. Consume smaller beings to evolve and discover over 50 unique species. Track your achievements in a diverse marine compendium. Enjoy tranquil escapism and engaging progression with seasonal events.

**Highlights:** Meditative aquatic journey, Evolve and discover 50+ species, Creature library and achievements, Tranquil and relaxing gameplay, Seasonal events and special occasions, Optimized for tablets

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pre-Registration Bundle | Free | one-time |
| 60 x2 Pearls | $0.99 | one-time |
| Welcome Bundle! | $1.99 | one-time |
| Spooky Splash Bundle! | $3.99 | one-time |
| Remove Ads | $3.99 | one-time |
| 300 Pearls | $4.99 | one-time |
| 300 x2 Pearls | $4.99 | one-time |
| Spooky Splash Bundle! | $14.99 | one-time |
| 980 Pearls | $14.99 | one-time |
| 980 x2 Pearls | $14.99 | one-time |
| 3280 x2 Pearls | $49.99 | one-time |
| 6480 x2 Pearls | $99.99 | one-time |


## Frequently asked questions

### Is Idle Sea Tycoon free?

Idle Sea Tycoon is free to download, with no in-app purchases.

### Is Idle Aquaria free?

Idle Aquaria is free to download, with in-app purchases available.

### Which has better reviews, Idle Sea Tycoon or Idle Aquaria?

Idle Sea Tycoon is rated higher. Idle Sea Tycoon averages 4.5 out of 5 from 86 ratings, while Idle Aquaria averages 3.0 from 10 ratings.

### Do Idle Sea Tycoon or Idle Aquaria have ads?

Both Idle Sea Tycoon and Idle Aquaria show ads.

### Which is updated more often, Idle Sea Tycoon or Idle Aquaria?

Idle Sea Tycoon ships an update every 13 months, and Idle Aquaria every 5 days. Most recently, Idle Sea Tycoon was updated on October 25, 2026 and Idle Aquaria on October 27, 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.*