Comparison

Train Kit vs Space by Tinybop

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

Head to head
About

Train Kit

Build immersive 3D train worlds by easily dragging and dropping track tiles. Add trains, tunnels, and scenery to create unique layouts. Experience your creations from the driver's seat.

Highlights
  • Drag-and-drop track building
  • Real-time train simulation
  • Customizable train creation
  • Immersive 3D environments
  • Train driver perspective
  • Add tunnels, bridges, and scenery
Features
Read full description

Hop on board! Train Kit lets you build immersive little train worlds. EASY TO BUILD Simply add and move track tiles by dragging them with your finger while trains run around you. There’s no need to switch between modes – everything is on one screen. GET CREATIVE No rules, but endless options. Add trains, tunnels, junctions and scenery in a totally open-ended world. 3D Immerse yourself in a fully 3D world. You can even put yourself in the driver’s seat and see what it’s like to drive around your track from the train’s cabin. FEATURES - Add track tiles which snap together in a grid - Tunnels and bridges - Switching tracks allow your trains to take different routes - Drop trains and carriages onto your track - Create your own unique train by mixing carriages together - Simple train controls allow you speed up, slow down or reverse your trains - Adding scenery and building objects brings your world to life - Train driver view allows you to whizz through your world - No in-app purchases - No adverts

About

Space by Tinybop

Explore our solar system and visit each planet up close. Discover their surfaces, characteristics, and orbits through interactive play. Test atmospheres, gravity, and observe planetary spins and seasons.

Highlights
  • Visit 8 planets and the sun
  • Study planet surfaces up close
  • Discover planet characteristics
  • Test atmospheres and gravity with meteorites
  • Compare planet sizes and masses
  • Observe planetary orbits and moon phases
  • Explore Mars with rovers and chopper
Features
Read full description

Travel into space and visit tiny Mercury, fierce Venus, friendly Earth, dusty Mars, stormy Jupiter, elegant Saturn, hazy Uranus, and mysterious Neptune. Perfect for future astronomers everywhere. "Space should more accurately be called "Hands On With the Solar System." — Children's Technology Review *** KAPi Best App for Older Children *** *** Children's Technology Review Editor's Choice *** Hurl meteorites through the atmosphere. Spin around the sun and zoom onto its surface. Jump into a whirling space storm. Boldly go where no kid has gone before in 3, 2, 1…. liftoff! Space is No.8 in Tinybop’s award-winning Explorer’s Library. Kids can discover new worlds in other Explorer’s Library apps, including The Human Body, Plants, Simple Machines, The Earth, Weather, Homes, and Skyscrapers. FEATURES + Visit 8 planets and the sun! + Study the surface of each planet and the sun up close. + Discover the characteristics of each planet with a helpful snowman. + Throw meteorites at each planet to test their atmospheres and gravity. + See how big and massive each planet and the sun are by comparing them side-by-side. + Play with and observe each planet’s orbit around the sun. + Follow the moon’s orbit to discover the phases of the moon. + See how quickly or slowly each planet spins on its axis and how long each day is. + Peek inside each planet’s rocky crust or gassy outer layer. + Move the Earth’s axis to see how it affects seasons. + Explore Mars’ rocky surface with NASA’s Curiosity, Pathfinder rovers. + Fly the Ingenuity Chopper on Mars. + Experience wild weather and more on Venus. + Find out why Mercury has so many craters. + See what Saturn’s rings are made of and make them spin. + Discover diamonds on Neptune and Uranus. + Interactive text labels in 50+ languages teach vocabulary. + FREE Space Handbook has technology tips and basic info for teachers and parents. + Original artwork by Jessie Sattler. + Original sound design. + Open-ended activities with no rules. Curiosity and creativity are rewarded. + Multi-user system. + Fun for all ages. + No third-party advertising. FREE handbook Our expert-reviewed handbook is full of facts, interaction hints, and discussion questions to support learning in this app, in the classroom, or at home. Download in your app or at: http://tinybop.com/handbooks. Privacy Policy We take your and your child’s privacy very seriously. We do not collect or share personal information about your child, nor do we allow any third-party advertising. When the camera, microphone, and other services are used within an app, your information is neither collected nor distributed outside of the app. Read our complete privacy policy at tinybop.com. Tinybop, Inc. is a Brooklyn-based studio of designers, engineers, and artists. We make toys for tomorrow. We’re all over the internet. Visit us: www.tinybop.com Follow us: twitter.com/tinybop Like us: facebook.com/tinybop Peek behind the scenes: instagram.com/tinybop We love hearing your stories! If you have ideas, or something isn’t working as you expect it to, please contact us: hi@tinybop.com. Psst! It's not Tiny Bop, or Tiny Bob, or Tiny Pop. It's Tinybop. :)

Screenshots

Train Kit4 screens
Space by Tinybop4 screens

Verdict

The call

The clearest difference is rating: Train Kit at 4.6 against Space by Tinybop's 4.3. Train Kit also leads on ratings volume (2.4K vs 72) and review sentiment (83% vs 67%). Space by Tinybop's advantage is price ($3.99 vs $6.99) and iOS requirement (12.0 vs 15.6). On ads, in-app purchases, monetization model 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

Train Kit costs $6.99 and Space by Tinybop $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Train Kit holds the better App Store score, 4.6 against 4.3. That said, the two scores are not equally well evidenced: Train Kit has 2.4K ratings behind it against 72, so its average is the more settled of the two. Written reviews point the same way: 83% of Train Kit's written reviews are positive against 67% of Space by Tinybop's.

UpkeepUpdate frequency

Train Kit ships an update every 3 months, Space by Tinybop every 6 months. Both last shipped on October 13, 2026.

Scorecard6 real differences · 4 level
Train Kit versus Space by Tinybop: the parameters behind the verdict, then further details
ParameterTrain KitSpace by Tinybop
Price$6.99$3.99 — better
Rating4.6 (2.4K ratings) — better4.3 (72 ratings)
Positive reviews82.8% of reviews — better66.7% of reviews
Number of ratings2.4K — better72
Update frequencyEvery 3 months — betterEvery 6 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.612.0 — better
Further details — not scored
Size108 MB255 MB
Age rating4+4+
DeveloperPhd Apps LLCTinybop Inc.

Customer experience

Train Kit

All ratings2,380 ratings
Positive89.1%
Neutral5.0%
Negative5.8%
Written reviews122 reviews
Positive82.8%
Neutral5.7%
Negative11.5%

Space by Tinybop

All ratings72 ratings
Positive80.6%
Neutral6.9%
Negative12.5%
Written reviews87 reviews
Positive66.7%
Neutral6.9%
Negative26.4%

Bugs and requests

Train Kit

Reported bugs

5 issues
  • Trains flying out of the screen
  • Inability to place certain track pieces
  • Pieces moving unexpectedly when switching tracks
  • Crashes and freezes, especially on older devices
  • Touch controls not always registering accurately

Requested features

6 requests
  • Add more trains, cars, and other vehicles
  • Expand world/map size and allow for more building
  • Implement save/load functionality to preserve creations
  • Add more building pieces, decorations, and customization options
  • Improve stability and fix crashes/bugs
Show 1 more
  • Introduce new gameplay modes and challenges

Space by Tinybop

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Train Kit

No in-app purchases

None

Space by Tinybop

No in-app purchases

Questions

Is Train Kit free?
Train Kit costs $6.99, with no in-app purchases.
Is Space by Tinybop free?
Space by Tinybop costs $3.99, with no in-app purchases.
Which has better reviews, Train Kit or Space by Tinybop?
Train Kit is rated higher. Train Kit averages 4.6 out of 5 from 2.4K ratings, while Space by Tinybop averages 4.3 from 72 ratings.
Do Train Kit or Space by Tinybop have ads?
Neither Train Kit nor Space by Tinybop shows ads.
Which is updated more often, Train Kit or Space by Tinybop?
Train Kit ships an update every 3 months, and Space by Tinybop every 6 months. Most recently, Train Kit was updated on October 13, 2026 and Space by Tinybop on October 13, 2026.

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