Comparison

GraviTrax vs Simple Marble Run

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

GraviTrax

Design and experience custom ball tracks with a free editor. Explore physics principles like gravity and magnetism as you build and test your creations. Share your unique track designs with friends and discover new possibilities.

Highlights
  • Free track editor
  • Interactive ball rolling simulation
  • Multiple camera angles
  • Share track designs with friends
  • Physics-based gameplay (gravity, magnetism, kinetics)
  • Extendable track system
Features
Read full description

GraviTrax – the interactive ball track system from Ravensburger for your mobile or tablet. Use the free app for the GraviTrax ball track system with its free editor to build your very own fantastic tracks, and then roll the balls as you watch from different angles. Try endless new combinations and come up with new ideas to build your tracks. Experience the tracks interactively and follow the balls from a variety of camera angles. And in the latest version of the app you can share you tracks with your friends. The GraviTrax ball track system lets you build your own track worlds according to the laws of gravity. Use the construction elements to create a fast-paced course where balls roll to their destination with the help of magnetism, kinetics and gravity. The GraviTrax ball track system makes gravity a fun learning experience which can be extended with countless expansions. Unlimited fun guaranteed! The starter kit and the action-packed expansions are now available in all well-stocked toy shops and online stores.

About

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.

Highlights
  • Customizable marble courses
  • Interactive marble manipulation (stoppers, pins)
  • Marble throwing mechanic
  • Truck collection and departure cycle
  • Adjustable camera viewpoints
  • Soothing ASMR-like experience
Features
Read full description

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

GraviTrax4 screens
Simple Marble Run4 screens

Verdict

The call

GraviTrax and Simple Marble Run both sit at 4.4 stars, but that hides the real split: 74% of GraviTrax's written reviews are positive against 0% of Simple Marble Run's. GraviTrax also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.0). Simple Marble Run's advantage is in-app purchases (none vs 1) and update cadence (every 6 weeks vs every 5 months). On price, rating, ratings volume and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. GraviTrax sells 1 one-off in-app purchase. Simple Marble Run asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.4 for GraviTrax against 4.4 for Simple Marble Run. Both are backed by a comparable volume of ratings — 148 and 238 respectively. Written reviews are what separate them: 74% of GraviTrax's written reviews are positive against 0% of Simple Marble Run's.

UpkeepUpdate frequency

GraviTrax ships an update every 5 months, Simple Marble Run every 6 weeks. Both last shipped on September 25, 2026.

Scorecard6 real differences · 4 level
GraviTrax versus Simple Marble Run: the parameters behind the verdict, then further details
ParameterGraviTraxSimple Marble Run
PriceFreeFree
Rating4.4 (148 ratings)4.4 (238 ratings)
Positive reviews74.1% of reviews — better0.0% of reviews
Number of ratings148238 — better
Update frequencyEvery 5 monthsEvery 6 weeks — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size155 MB193 MB
Age rating4+4+
DeveloperRavensburger Verlag GmbHmonois Inc.

Customer experience

GraviTrax

All ratings148 ratings
Positive82.4%
Neutral9.5%
Negative8.1%
Written reviews251 reviews
Positive74.1%
Neutral13.5%
Negative12.4%

Simple Marble Run

All ratings238 ratings
Positive83.2%
Neutral6.7%
Negative10.1%
Written reviews5 reviews
Positive0.0%
Neutral40.0%
Negative60.0%

Bugs and requests

GraviTrax

Reported bugs

4 issues
  • Marble gets stuck on certain track elements
  • Saving and loading tracks not working properly
  • Placement of clear platforms and supports is limited
  • Zipline functionality not working as expected

Requested features

6 requests
  • Add more track designs and layouts
  • Implement a parts inventory system
  • Allow sharing and downloading of user-created tracks
  • Improve UI/UX for easier track building
  • Add support for new Gravitrax expansions
Show 1 more
  • Introduce a Gravitrax Junior mode

Simple Marble Run

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

GraviTrax

One-time1
  • GraviTrax PRO$0.99
None

Simple Marble Run

No in-app purchases

Questions

Is GraviTrax free?
GraviTrax is free to download, with in-app purchases available.
Is Simple Marble Run free?
Simple Marble Run is free to download, with no in-app purchases.
Which has better reviews, GraviTrax or Simple Marble Run?
GraviTrax and Simple Marble Run are both rated 4.4 out of 5 on the App Store, from 148 and 238 ratings respectively.
Do GraviTrax or Simple Marble Run have ads?
Simple Marble Run shows ads; GraviTrax does not.
Which is updated more often, GraviTrax or Simple Marble Run?
GraviTrax ships an update every 5 months, and Simple Marble Run every 6 weeks. Most recently, GraviTrax was updated on September 25, 2026 and Simple Marble Run on September 25, 2026.

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