Comparison

Train Zoom vs Idle Tokyo Train Loop

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

Head to head
About

Train Zoom

Tap trains as they appear to accelerate them and earn points. Level up to unlock new train types and faster speeds. Utilize special items for bonus points and unique train appearances.

Highlights
  • Tap trains to accelerate
  • Earn points and level up
  • Unlock new train types
  • Collect Shinkansen, steam locomotives, and more
  • Use special items for bonus points
  • Adjustable difficulty modes
Read full description

If you tap the train that comes out from the left and right, it will be super accelerated We will pass! Tap to add points. When you accumulate a certain amount of points, you level up. As you level up, the types of trains will increase. And the speed of the train gradually increases. Let's raise the level and collect all kinds of trains! Various trains such as Shinkansen, conventional lines, subways, steam locomotives, linear motor cars, and freight trains will appear. Just watching the passing trains is fun. About special items You can use special items by consuming 5 hearts. There are 4 types of special items. When used, all types of trains will appear for a certain period of time regardless of level. In the meantime, you can get double points. 1, All types of steam locomotives run on all rails 2, All types of freight trains run on all rails 3, All types of linear motor cars run on all rails 4, Various giant creatures and something special will appear Points are earned while using special items It doubles, making it easier to level up. Hearts to use special items Consume. Hearts are login bonuses and You can get it with a level up bonus. You can also get it by watching advertisement videos. If the level goes up and the speed is too fast Changing to "easy mode" slows down a little It becomes a slow setting and the speed increases with level up be held down. Please play with your favorite settings. You can switch modes at any time. If you are unsatisfied, go to "Normal mode" please put it back

About

Idle Tokyo Train Loop

Build a circular railway around Tokyo by extending tracks, adding trains, and improving facilities. Watch your city grow and evolve from day to night in this relaxing simulation game.

Highlights
  • Build a circular railway
  • Add and upgrade trains
  • Extend tracks and connect stations
  • Dynamic day-night cycle
  • Relaxing watch-and-play gameplay
  • Unlock new train types and routes
Features
Read full description

Tokyo Train Loop Build a circular railway that loops around Tokyo ----- Gradually add more trains to the city, extend the tracks, connect the stations, and eventually complete “one great circular loop” around Tokyo. Tokyo Train Loop is a route-building simulation game set in Tokyo, where you can sit back and watch a world of endlessly running trains while nurturing your very own circular railway. ----- Watching trains loop around is deeply satisfying On screen, trains travel quietly—and steadily—through the streets of Tokyo. What begins as a short stretch of track grows longer as you play, eventually developing into a full loop that circles the city. As trains increase, formations grow longer, and the rails finally connect into one continuous circle, feel the satisfaction of completing the loop. This game is designed to make the process of building the loop itself enjoyable. ----- Extend the rails and expand Tokyo Your actions are simple:  Add train cars  Extend the tracks  Improve facilities  Create new trains With just these, the city and its railway will naturally grow. No complicated controls or confusing systems. Easy to enjoy with a few taps—or even just by watching. Designed so anyone can play comfortably. ----- A Tokyo that shifts from day to night The city changes with time. Morning, daytime, evening, and night— the light and atmosphere gently evolve as the hours pass.  Bright daytime Tokyo  Rails glowing in the sunset  Trains and city lights shining at night Even simply watching the trains run as the scenery slowly changes can feel surprisingly calming. ----- Play at your own pace, as long as you like In Tokyo Train Loop, there’s no pressure. No rankings to chase, no demanding gameplay, no difficult controls. Perfect for:  Players who want to progress little by little  Fans of trains and city scenery  Anyone who enjoys relaxing, watch-and-play games Whatever your style, the game is built to match your pace. ----- More and more to unlock over time As you progress, Tokyo becomes livelier with:  New types of trains  Changes in train formations  Expanded routes  A busier, more vibrant city A city that starts quiet, then slowly fills with trains— watching that transformation is part of the charm. ----- “Completion” isn’t the end Even after the circular loop is complete, the journey continues. You can keep developing the route, add more buildings to create an even more beautiful cityscape, and shape Tokyo into the world you want to see. A city you can keep watching for as long as you like— that’s the Tokyo we aim to build. ----- Tokyo Train Loop is perfect for players who:  Love trains and railways  Enjoy steady, incremental growth  Want short, relaxing play sessions during busy days  Are looking for a calming game to watch and unwind If any of that sounds like you, this world is waiting. ----- Complete your own circular railway around Tokyo. Together with trains that never stop, why not grow Tokyo’s city and rail network— slowly, gently, at your own pace? Sound effects provided by https://otologic.jp

Screenshots

Train Zoom4 screens
Idle Tokyo Train Loop4 screens

Verdict

The call

The clearest difference is review sentiment: Idle Tokyo Train Loop at 100% against Train Zoom's 0%. Idle Tokyo Train Loop also leads on update cadence (weekly vs every 2 months) and monetization model (ad-supported vs free with in-app purchases). Train Zoom's advantage is rating (4.6 vs 4.4). On price, ratings volume, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Train Zoom holds the better App Store score, 4.6 against 4.4. Both are backed by a comparable volume of ratings — 11 and 10 respectively. Written reviews complicate that: 0% of Train Zoom's written reviews are positive against 100% of Idle Tokyo Train Loop's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Train Zoom ships an update every 2 months, Idle Tokyo Train Loop weekly. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

Scorecard4 real differences · 6 level
Train Zoom versus Idle Tokyo Train Loop: the parameters behind the verdict, then further details
ParameterTrain ZoomIdle Tokyo Train Loop
PriceFreeFree
Rating4.6 (11 ratings) — better4.4 (10 ratings)
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings11 — better10
Update frequencyEvery 2 monthsWeekly — better
AdsYesYes
In-app purchasesNoNo
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size289 MB177 MB
Age rating4+4+
Developerhiroyuki uchidamonois Inc.

Customer experience

Train Zoom

All ratings11 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Idle Tokyo Train Loop

All ratings10 ratings
Positive80.0%
Neutral10.0%
Negative10.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Train Zoom

No in-app purchases

None

Idle Tokyo Train Loop

No in-app purchases

Questions

Is Train Zoom free?
Train Zoom is free to download, with no in-app purchases.
Is Idle Tokyo Train Loop free?
Idle Tokyo Train Loop is free to download, with no in-app purchases.
Which has better reviews, Train Zoom or Idle Tokyo Train Loop?
Train Zoom is rated higher. Train Zoom averages 4.6 out of 5 from 11 ratings, while Idle Tokyo Train Loop averages 4.4 from 10 ratings.
Do Train Zoom or Idle Tokyo Train Loop have ads?
Both Train Zoom and Idle Tokyo Train Loop show ads.
Which is updated more often, Train Zoom or Idle Tokyo Train Loop?
Train Zoom ships an update every 2 months, and Idle Tokyo Train Loop weekly. Most recently, Train Zoom was updated on October 24, 2026 and Idle Tokyo Train Loop on October 30, 2026.

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