Comparison

googolChooChoo3D vs Build A Train 2

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

Head to head
About

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.

Highlights
  • 3D model railroad simulation
  • Drag-and-drop layout creation
  • Customizable track and item placement
  • Multiple camera views
  • Driver's seat perspective
  • Scenery design
Features
Read full description

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.

About

Build A Train 2

Design custom trains and build your own maps to drive them on. This sequel allows kids to create unique engines and cars, then explore their creations. Future content updates are included free.

Highlights
  • Customize train engines and cars
  • 64 color options for trains
  • Map builder with terrain and track layout
  • Configure trains with up to 8 cars
  • Drive trains on custom maps
  • Unlockable content through gameplay
Features
Read full description

Build A Train 2 is the sequel to the top train app Build A Train! MILLIONS of little train-lovers have enjoyed the original Build A Train, and many have asked us to be able to create their own maps. Well now you can! Build A Train 2 lets kids design their own custom train engines and cars, build their own maps, and then drive their trains on their maps. It is the the perfect one-stop train adventure for your iPhone, iPad, or iPod Touch. It's also a universal app – buy once, play on any of your devices. Even better, all future content updates are included FREE in the full version of Build A Train 2. 

 PLEASE NOTE: Designed for kids aged 1-6.
 
Build A Train 2 includes the following features:
 • Customize your train engines and cars Choose from dozens of train templates to mix and match train bodies, windows, wheels, and more! • 64 fun colors available Color the perfect train. Literally thousands of possible trains will be at your child’s fingertips! • Map builder Design truly custom maps by selecting a terrain, a track layout, choosing the stations and even adding extras for flourish! • Configure your train Add up to 8 train engines and cars to your train configuration. Swipe through your train galleries, tap your favorites and drag them into place. Simply double tap to delete or drag a new one on top to replace. • Drive your train on a map Control the switches on the track to determine where your train goes. Control the speed of your train. Pick-up cargo and collect points. NEW! Drag your control panel to the left, right or bottom of the screen! 
• Unlockable content Start with a few map elements and unlock items through gameplay, by driving on the maps and picking up cargo. Watch your child’s face light up as he or she earns new items! Available in English, Arabic, Chinese, French, German, Hungarian, Italian, Japanese, Korean, Portuguese, Russian and Spanish! If you enjoy Build A Train 2, please let us know by giving us a rating or review on the App Store! We also appreciate direct feedback and bug reports, which we will address within 1-2 business days. Email us at support@playtend.com Enjoy!

Screenshots

googolChooChoo3D4 screens
Build A Train 24 screens

Verdict

The call

The clearest difference is price: googolChooChoo3D at Free against Build A Train 2's $2.99. googolChooChoo3D also leads on update cadence (every 3 months vs every 46 months). Build A Train 2's advantage is in-app purchases (none vs 1) and ads (none vs shown). On 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

googolChooChoo3D is free to download; Build A Train 2 costs $2.99 up front. googolChooChoo3D sells 1 one-off in-app purchase. Build A Train 2 asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Build A Train 2 holds the better App Store score, 3.8 against 3.6. Both are backed by a comparable volume of ratings — 69 and 24 respectively. Written reviews point the same way: 47% of googolChooChoo3D's written reviews are positive against 67% of Build A Train 2's.

UpkeepUpdate frequency

googolChooChoo3D ships an update every 3 months, Build A Train 2 every 46 months. The most recent releases landed on October 19, 2026 and October 10, 2026 respectively.

Scorecard7 real differences · 3 level
googolChooChoo3D versus Build A Train 2: the parameters behind the verdict, then further details
ParametergoogolChooChoo3DBuild A Train 2
PriceFree — better$2.99
Rating3.6 (69 ratings)3.8 (24 ratings) — better
Positive reviews47.5% of reviews66.7% of reviews — better
Number of ratings69 — better24
Update frequencyEvery 3 months — betterEvery 46 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.68.0 — better
Further details — not scored
Size30 MB100 MB
Age rating4+4+
DeveloperKouichi HayashiPlaytend Apps LLP

Customer experience

googolChooChoo3D

All ratings69 ratings
Positive59.4%
Neutral5.8%
Negative34.8%
Written reviews59 reviews
Positive47.5%
Neutral6.8%
Negative45.8%

Build A Train 2

All ratings24 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews6 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

In-app purchases

1 purchases

googolChooChoo3D

One-time1
  • Remove Ads$1.99
None

Build A Train 2

No in-app purchases

Questions

Is googolChooChoo3D free?
googolChooChoo3D is free to download, with in-app purchases available.
Is Build A Train 2 free?
Build A Train 2 costs $2.99, with no in-app purchases.
Which has better reviews, googolChooChoo3D or Build A Train 2?
Build A Train 2 is rated higher. googolChooChoo3D averages 3.6 out of 5 from 69 ratings, while Build A Train 2 averages 3.8 from 24 ratings.
Do googolChooChoo3D or Build A Train 2 have ads?
googolChooChoo3D shows ads; Build A Train 2 does not.
Which is updated more often, googolChooChoo3D or Build A Train 2?
googolChooChoo3D ships an update every 3 months, and Build A Train 2 every 46 months. Most recently, googolChooChoo3D was updated on October 19, 2026 and Build A Train 2 on October 10, 2026.

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