googolChooChoo3D vs Aquarium Sim
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
googolChooChoo3D
Create and explore 3D model railroad layouts with ease. Design your own tracks and scenery by dragging and dropping elements. Experience your creations from various viewpoints, including the driver's seat of a moving train.
- 3D model railroad simulation
- Drag-and-drop layout creation
- Customizable track and item placement
- Multiple camera views
- Driver's seat perspective
- Scenery design
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googolChooChoo 3D is a 3D model railroad simulation program. It is easy to make your own layout by dragging and dropping track items, or other items, on your layout. You can see the layout in 3D from driver's seat of a running train or from several other locations.
Aquarium Sim
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.
- 82 detailed fish species
- Customizable aquarium environments
- Realistic swimming behaviors
- Interactive feeding and tapping
- Marine and freshwater habitats
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Aquarium Sim is an interactive virtual Aquarium for your phone & tablet. Sit back, relax and enjoy a variety of marine & freshwater fish swimming about in a colorful coral reef habitat. Setup your aquarium by choosing from 82 fish and 9 environments. Interact with your pets by taping on the glass and feeding them. Aquarium Sim Features: - 82 highly detailed Fish species - Create custom Aquarium Environments - 7 Pre-Made Coral Reef Environments - 2 Freshwater Environments - Realistic Swimming behaviors and appearance - No in-app purchases, all fish are free
Screenshots
Verdict
The clearest difference is review sentiment: Aquarium Sim at 83% against googolChooChoo3D's 47%. Aquarium Sim also leads on in-app purchases (none vs 1) and rating (4.0 vs 3.6). On price, ratings volume, update cadence and ads 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
Both are free to download. googolChooChoo3D sells 1 one-off in-app purchase. Aquarium Sim asks for nothing beyond the download.
Aquarium Sim holds the better App Store score, 4.0 against 3.6. Both are backed by a comparable volume of ratings — 70 and 43 respectively. Written reviews point the same way: 47% of googolChooChoo3D's written reviews are positive against 83% of Aquarium Sim's.
Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.
| Parameter | googolChooChoo3D | Aquarium Sim |
|---|---|---|
| Price | Free | Free |
| Rating | 3.6 (70 ratings) | 4.0 (43 ratings) — better |
| Positive reviews | 47.5% of reviews | 83.3% of reviews — better |
| Number of ratings | 70 — better | 43 |
| Update frequency | Every 3 months | Every 3 months |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 30 MB | 78 MB |
| Age rating | 4+ | 4+ |
| Developer | Kouichi Hayashi | 1788918 Alberta Ltd |
Customer experience
googolChooChoo3D
Aquarium Sim
In-app purchases
googolChooChoo3D
- Remove Ads$1.99
Aquarium Sim
No in-app purchases
Questions
Is googolChooChoo3D free?
Is Aquarium Sim free?
Which has better reviews, googolChooChoo3D or Aquarium Sim?
Do googolChooChoo3D or Aquarium Sim have ads?
Which is updated more often, googolChooChoo3D or Aquarium Sim?
Other comparisons
