# Aquarium Sim vs Impossible MegaRampTransform3D

The clearest difference is rating: Aquarium Sim at 4.0 against Impossible MegaRampTransform3D's 3.0. Aquarium Sim also leads on in-app purchases (none vs 7) and update cadence (every 3 months vs every 13 months). Impossible MegaRampTransform3D's advantage is ads (none vs shown) and iOS requirement (8.0 vs 12.0). On price and device support there is nothing between them.

Both are free to download. Impossible MegaRampTransform3D sells 7 one-off in-app purchases. Aquarium Sim asks for nothing beyond the download.

Aquarium Sim holds the better App Store score, 4.0 against 3.0. That said, the two scores are not equally well evidenced: Aquarium Sim has 43 ratings behind it against 6, so its average is the more settled of the two.

Aquarium Sim ships an update every 3 months, Impossible MegaRampTransform3D every 13 months. The most recent releases landed on August 24, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | Aquarium Sim | Impossible MegaRampTransform3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (43 ratings)](https://appshunter.io/ios/app/aquarium-sim/id1155194815/reviews)** | [3.0 (6 ratings)](https://appshunter.io/ios/app/impossible-megaramptransform3d/id1349737680/reviews) |
| Number of ratings | **43** | 6 |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 months** | Every 13 months |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 78 MB | 132 MB |
| Requires iOS | 12.0 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [1788918 Alberta Ltd](https://appshunter.io/developer/597315953) | [BigCode Games Pvt Ltd](https://appshunter.io/developer/1254845485) |

## What reviewers say

### Aquarium Sim

[App page](https://appshunter.io/ios/app/aquarium-sim/id1155194815)

Create and manage your own virtual aquarium filled with a diverse range of marine and freshwater fish. Customize your underwater environment with various habitats and interact with your aquatic pets by feeding them. Enjoy a relaxing visual experience with realistic fish behaviors.

**Highlights:** 82 detailed fish species, Customizable aquarium environments, Realistic swimming behaviors, Interactive feeding and tapping, Marine and freshwater habitats

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

**In-app purchases:** none


### Impossible MegaRampTransform3D

[App page](https://appshunter.io/ios/app/impossible-megaramptransform3d/id1349737680)

Experience thrilling vehicle transformations and extreme stunts on sky-high impossible ramps. Race cars, trucks, ATVs, and buses, reaching checkpoints to unlock new models and compete for top leaderboard scores. Master drifting and acceleration for ultimate jumps on challenging, twisty tracks.

**Highlights:** Multi-transformation racing, Extreme vehicle stunts, Sky-high impossible ramps, Drift simulator gameplay, Leaderboard competition, Checkpoint challenges

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MiniPack | $1.99 | one-time |
| NoAds | $1.99 | one-time |
| BoosterPack | $4.99 | one-time |
| SuperPack | $8.99 | one-time |
| ProPack | $11.99 | one-time |
| UltraPack | $16.99 | one-time |
| UnlockAll Vehicles | $79.99 | one-time |


## Frequently asked questions

### Is Aquarium Sim free?

Aquarium Sim is free to download, with no in-app purchases.

### Is Impossible MegaRampTransform3D free?

Impossible MegaRampTransform3D is free to download, with in-app purchases available.

### Which has better reviews, Aquarium Sim or Impossible MegaRampTransform3D?

Aquarium Sim is rated higher. Aquarium Sim averages 4.0 out of 5 from 43 ratings, while Impossible MegaRampTransform3D averages 3.0 from 6 ratings.

### Do Aquarium Sim or Impossible MegaRampTransform3D have ads?

Aquarium Sim shows ads; Impossible MegaRampTransform3D does not.

### Which is updated more often, Aquarium Sim or Impossible MegaRampTransform3D?

Aquarium Sim ships an update every 3 months, and Impossible MegaRampTransform3D every 13 months. Most recently, Aquarium Sim was updated on August 24, 2026 and Impossible MegaRampTransform3D on June 5, 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.*