googolChooChoo3D2 vs Simple Marble Run
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
googolChooChoo3D2
Design and build your own 3D model railroad layouts with customizable tracks, structures, and terrain. Experience your creations from various viewpoints, including the driver's seat of a running train.
- 3D model railroad simulation
- Customizable track and structure placement
- Terrain creation and editing
- Multiple viewing perspectives
- Automatic tunnel generation
- Driver's seat view
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googolChooChoo3D2 is a 3D model railroad simulation program. It is easy to make your own layout. You can add tracks and structures freely to the layout. You can also make a terrain on the layout. You can see the layout in 3D from driver's seat of a running train or from several other locations. New features -The terrain has become editable. -A tunnel is automatically generated. System Requirements -iOS 10.0 or later. -64bit CPU. (recommended A8 or higher)
Simple Marble Run
Experience a calming marble game with customizable courses. Manipulate the flow with stoppers, pins, and throwing mechanics. Watch marbles collect and depart in a delightful cycle, offering a unique ASMR-like experience.
- Customizable marble courses
- Interactive marble manipulation (stoppers, pins)
- Marble throwing mechanic
- Truck collection and departure cycle
- Adjustable camera viewpoints
- Soothing ASMR-like experience
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A relaxing marble app where countless marbles roll and tumble across the course. Watching small marbles roll one after another is soothing and fun — you may even lose track of time just gazing at them. In this app, you can enjoy many different types of courses, from classic and simple layouts to unique and playful ones. The charm lies not only in watching the flow, but also in being able to add your own twists and enjoy different ways to play. The rolling marbles can be stopped, thrown, or redirected, allowing for all kinds of surprising moments. • With stoppers, you can hold back marbles and then release them all at once. It feels exciting to see a sudden rush of marbles flowing out together. • Place pins wherever you like to scatter the flow, split the marbles into unexpected paths, or even create small dead ends. Just a little change can transform the whole course. • With the throwing feature, you can tap the screen and toss a marble right to that spot. This lets you add marbles directly into the middle of the action. • At the goal, a truck waits to collect the marbles. Once enough marbles have piled up, a start button appears and the truck drives off, only for a new one to arrive. Watching the marbles leave together with the truck is a delightful part of the experience. • Along the course, you’ll also find camera buttons. Press them to switch the viewpoint and enjoy the marbles from a fresh angle. If you change the camera right before releasing a big group of marbles, the scene becomes even more thrilling to watch. There’s a special satisfaction in building up marbles and letting them flow all at once, in experimenting with setups that create surprising movements, or in simply enjoying the unexpected. Unlike real-life marble play, where preparing many marbles can be difficult, here you can easily enjoy “lots of marbles” and “special tricks” as many times as you like. The rolling sounds and movements are soothing and calming, almost like an ASMR experience that brings a sense of relaxation. You can play however you like — relax and watch quietly, or set up bold tricks and let the marbles rush in large numbers. A marble playground you can enjoy anytime, right on your phone. Roll them again and again, and find your own favorite way to play.
Screenshots
Verdict
The clearest difference is review sentiment: googolChooChoo3D2 at 77% against Simple Marble Run's 0%. googolChooChoo3D2 also leads on iOS requirement (12.0 vs 15.0). Simple Marble Run's advantage is rating (4.4 vs 4.0) and ratings volume (238 vs 34). On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Simple Marble Run holds the better App Store score, 4.4 against 4.0. That said, the two scores are not equally well evidenced: Simple Marble Run has 238 ratings behind it against 34, so its average is the more settled of the two. Written reviews complicate that: 77% of googolChooChoo3D2's written reviews are positive against 0% of Simple Marble Run's, so the app with the better star average is not the one people write more warmly about.
googolChooChoo3D2 ships an update monthly, Simple Marble Run every 6 weeks. The most recent releases landed on September 8, 2026 and September 20, 2026 respectively.
| Parameter | googolChooChoo3D2 | Simple Marble Run |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (34 ratings) | 4.4 (238 ratings) — better |
| Positive reviews | 76.9% of reviews — better | 0.0% of reviews |
| Number of ratings | 34 | 238 — better |
| Update frequency | Monthly — better | Every 6 weeks |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 39 MB | 193 MB |
| Age rating | 4+ | 4+ |
| Developer | Kouichi Hayashi | monois Inc. |
Customer experience
googolChooChoo3D2
Simple Marble Run
In-app purchases
googolChooChoo3D2
No in-app purchases
Simple Marble Run
No in-app purchases
Questions
Is googolChooChoo3D2 free?
Is Simple Marble Run free?
Which has better reviews, googolChooChoo3D2 or Simple Marble Run?
Do googolChooChoo3D2 or Simple Marble Run have ads?
Which is updated more often, googolChooChoo3D2 or Simple Marble Run?
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