Comparison

Idle Tokyo Train Loop vs Gravilink

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

Head to head
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

About

Gravilink

Features
Read full description

Draw lines, place pins, and make gravity work for you. Gravilink is a physics puzzle game where your ink lines become the path to the goal. Use a limited number of lines and pins to guide the ball past moving obstacles, gravity fields, and other challenges. [How to Play] Draw directly on the screen to create a route for the ball, then anchor your lines with pins when needed. Every movement follows gravity and realistic collisions. Shape the path, time your moves, and find your own way to the goal. [Features] Physics Meets Hand-Drawn Lines Your drawings become part of each stage. Build slopes, bridges, and catchers with your own ideas. Clever Stage Devices Take on moving walls, rotating obstacles, pendulums, bumpers, portals, lasers, gravity fields, and more. Multi-Ball Challenges Some stages ask you to guide several balls to their goals at once. Plan the order and trajectory of every move. Create Your Own Stages Build original physics puzzles in the stage editor. Place balls, goals, and devices, then fine-tune your creation as you play. Community Stages Publish a custom stage after clearing it, then discover, download, and play stages made by other players through Newest, Popular, and Search. Duplicate a favorite stage to edit it and turn it into your next creation. Draw a line. Link the gravity. Find the solution. [Support & Terms of Use] Privacy Policy: https://tn-house.com/apps/gravilink/ Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Contact: Please use the Support URL.

Screenshots

Idle Tokyo Train Loop4 screens
Gravilink4 screens

Verdict

The call

The clearest difference is in-app purchases: Idle Tokyo Train Loop at none against Gravilink's 1. Idle Tokyo Train Loop also leads on update cadence (weekly vs fortnightly) and iOS requirement (15.0 vs 17.6). On price, ads 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. Gravilink sells 1 one-off in-app purchase. Idle Tokyo Train Loop asks for nothing beyond the download.

UpkeepUpdate frequency

Idle Tokyo Train Loop ships an update weekly, Gravilink fortnightly. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

Scorecard3 real differences · 7 level
Idle Tokyo Train Loop versus Gravilink: the parameters behind the verdict, then further details
ParameterIdle Tokyo Train LoopGravilink
PriceFreeFree
Rating4.4 (10 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings10 — better—
Update frequencyWeekly — betterFortnightly
AdsYesYes
In-app purchasesNo — betterYes
MonetizationAd-supported—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.6
Further details — not scored
Size177 MB25 MB
Age rating4+4+
Developermonois Inc.TN-House

In-app purchases

None

Idle Tokyo Train Loop

No in-app purchases

1 purchases

Gravilink

One-time1
  • Lifetime Premium Access$5.99

Questions

Is Idle Tokyo Train Loop free?
Idle Tokyo Train Loop is free to download, with no in-app purchases.
Is Gravilink free?
Gravilink is free to download, with in-app purchases available.
Do Idle Tokyo Train Loop or Gravilink have ads?
Both Idle Tokyo Train Loop and Gravilink show ads.
Which is updated more often, Idle Tokyo Train Loop or Gravilink?
Idle Tokyo Train Loop ships an update weekly, and Gravilink fortnightly. Most recently, Idle Tokyo Train Loop was updated on October 24, 2026 and Gravilink on October 28, 2026.

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