# Gravity Train VR vs VR Ocean Aquarium 3D

The clearest difference is rating: VR Ocean Aquarium 3D at 3.1 against Gravity Train VR's 1.8. VR Ocean Aquarium 3D also leads on ratings volume (47 vs 13). Gravity Train VR's advantage is ads (none vs shown) and update cadence (every 2 months vs every 16 months). On price, review sentiment, in-app purchases and monetization model there is nothing between them.

Both are free to download. Gravity Train VR sells 2 one-off in-app purchases and VR Ocean Aquarium 3D sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

VR Ocean Aquarium 3D holds the better App Store score, 3.1 against 1.8. Both are backed by a comparable volume of ratings — 13 and 47 respectively. Written reviews split almost evenly too, at 40% and 40% positive.

Gravity Train VR ships an update every 2 months, VR Ocean Aquarium 3D every 16 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Gravity Train VR | VR Ocean Aquarium 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.8 (13 ratings)](https://appshunter.io/ios/app/gravity-train-vr/id1031580511/reviews) | **[3.1 (47 ratings)](https://appshunter.io/ios/app/vr-ocean-aquarium-3d/id1423524009/reviews)** |
| Number of ratings | 13 | **47** |
| Positive reviews | **40.4% of reviews** | 40.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 16 months |
| Monetization | Freemium | Free with in-app purchases |
| Size | 700 MB | 112 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 9+ | 12+ |
| Developer | [Fibrum Limited](https://appshunter.io/developer/957824109) | [Erkan Yayman](https://appshunter.io/developer/1407044773) |

## What reviewers say

### Gravity Train VR

[App page](https://appshunter.io/ios/app/gravity-train-vr/id1031580511)

Experience an ultra-realistic 360 3D VR world with this immersive virtual reality adventure. Travel to any city on the planet in minutes on a gravity train. Compatible with various VR headsets for a thrilling ride.

**Highlights:** Gravity train travel, Ultra-realistic 360 3D VR world, Detailed graphics and sound, Compatible with VR headsets, Free trial period

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full game discount | $3.99 | one-time |
| Full game | $4.99 | one-time |


### VR Ocean Aquarium 3D

[App page](https://appshunter.io/ios/app/vr-ocean-aquarium-3d/id1423524009)

Explore a realistic underwater world and swim with a vast array of marine life. Engage in a thrilling fish hunting game with multiple levels and difficulty settings. Enjoy the experience in VR or normal mode, with controller support for enhanced gameplay.

**Highlights:** Realistic 3D ocean environment, Extensive fish species list, Fish Hunter game with 8 levels, VR Cardboard and Normal modes, Bluetooth gamepad controller support, Animated fishes with AI, 3D realistic sound effects

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Advertising | $4.99 | one-time |


## Frequently asked questions

### Is Gravity Train VR free?

Gravity Train VR is free to download, with in-app purchases available.

### Is VR Ocean Aquarium 3D free?

VR Ocean Aquarium 3D is free to download, with in-app purchases available.

### Which has better reviews, Gravity Train VR or VR Ocean Aquarium 3D?

VR Ocean Aquarium 3D is rated higher. Gravity Train VR averages 1.8 out of 5 from 13 ratings, while VR Ocean Aquarium 3D averages 3.1 from 47 ratings.

### Do Gravity Train VR or VR Ocean Aquarium 3D have ads?

VR Ocean Aquarium 3D shows ads; Gravity Train VR does not.

### Which is updated more often, Gravity Train VR or VR Ocean Aquarium 3D?

Gravity Train VR ships an update every 2 months, and VR Ocean Aquarium 3D every 16 months. Most recently, Gravity Train VR was updated on October 24, 2026 and VR Ocean Aquarium 3D on October 24, 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.*