Comparison

Causality vs Railbound

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

Head to head
About

Causality

Manipulate time to solve intricate puzzles and guide stranded astronauts to safety. Work with your past selves across alien landscapes to overcome paradoxes and complete hazardous levels within a time limit.

Highlights
  • Manipulate time to change level outcomes
  • Work with past selves
  • Solve paradoxes
  • Guide astronauts to safety
  • 60 challenging levels
  • Unlock achievements
Features
Currently charting
Read full description

Causality is a puzzle game about manipulating time, altering the sequence of events and changing the outcome of each level. Set across strange and alien landscapes, help a group of stranded astronauts find a route to safety. Travel through time, work with your past selves and solve paradoxes as you take on this uniquely challenging puzzler. Each level represents a brief but hazardous moment in time. Levels are completed by guiding each astronaut to an exit that matches their colour, within a limited time frame. When all astronauts reach an exit the level is complete. - Control time and change the outcome of each level - Work with your past selves to solve puzzles - 60 levels to complete - 13 achievements to unlock

About

Railbound

A cozy puzzle game where you guide two dogs on a global train adventure. Bend and connect railways to help carriages reach the locomotive safely, navigating over 240 unique challenges across diverse landscapes. Enjoy a relaxing experience with charming visuals and a soothing soundtrack.

Highlights
  • Bend and connect railways
  • Over 240 clever puzzles
  • Train-inspired mechanics (tunnels, barriers, switches)
  • Comic-book-inspired visuals
  • Relaxing original soundtrack
  • Pick up cute friends
Features
Read full description

Railbound is a comfy track-bending puzzle game about a pair of dogs on a train journey around the world. Connect and sever railways across different landscapes and help everyone reach their homes. Solve over 240 clever puzzles ranging from gentle slopes to twisted passageways. BEND RAILS TO MAKE THE TRAIN GO ‘CHOO-CHOO' Place, remove and reroute connections so that carriages safely connect to the locomotive. But be careful and don’t make them run into each other! 240+ PUZZLES TO COMPLETE Our main levels will take you through a variety of locations at a relaxed pace. Forks along the road will lead you to spicy brainteasers that’ll please even the most demanding players! TRAIN-INSPIRED MECHANICS Use tunnels to cover vast distances in an instant. Delay trains using well-timed railway barriers. Switch tracks to reroute cars in different directions. Pick up cute friends on the way and encounter even more challenges on your journey! ART AND MUSIC FULL OF WHOLESOME VIBES Across the game’s world enjoy our comic-book-inspired visuals and a relaxing original soundtrack by the team behind Golf Peaks and inbento.

Screenshots

Causality4 screens
Railbound4 screens

Verdict

The call

The clearest difference is update cadence: Railbound at every 3 days against Causality's every 3 months. Railbound also leads on rating (4.8 vs 4.4) and review sentiment (80% vs 70%). Causality's advantage is price ($1.99 vs $4.99). On ratings volume, ads, in-app purchases and monetization model 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

Causality costs $1.99 and Railbound $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Railbound holds the better App Store score, 4.8 against 4.4. Both are backed by a comparable volume of ratings — 185 and 117 respectively. Written reviews point the same way: 70% of Causality's written reviews are positive against 80% of Railbound's.

UpkeepUpdate frequency

Causality ships an update every 3 months, Railbound every 3 days. The most recent releases landed on October 14, 2026 and October 11, 2026 respectively.

Scorecard4 real differences · 7 level
Causality versus Railbound: the parameters behind the verdict, then further details
ParameterCausalityRailbound
Price$1.99 — better$4.99
Rating4.4 (185 ratings)4.8 (117 ratings) — better
Positive reviews69.8% of reviews80.0% of reviews — better
Number of ratings185 — better117
Update frequencyEvery 3 monthsEvery 3 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
Best chart rank#187#96 — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better12.0
Further details — not scored
Size166 MB229 MB
Age rating9+4+
DeveloperLoju LTDAfterburn Lukasz Spierewka

Customer experience

Causality

All ratings185 ratings
Positive83.8%
Neutral5.9%
Negative10.3%
Written reviews139 reviews
Positive69.8%
Neutral8.6%
Negative21.6%

Railbound

All ratings117 ratings
Positive95.7%
Neutral0.9%
Negative3.4%
Written reviews85 reviews
Positive80.0%
Neutral5.9%
Negative14.1%

Bugs and requests

Causality

Reported bugs

3 issues
  • Certain levels (e.g. 307, 407, 410) not working as expected
  • Game crashing or freezing on some devices
  • Issues with achievements not unlocking properly

Requested features

4 requests
  • More levels and content
  • Ability to replay completed levels
  • Cloud save/sync support
  • Difficulty settings or options

Railbound

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Causality

No in-app purchases

None

Railbound

No in-app purchases

Questions

Is Causality free?
Causality costs $1.99, with no in-app purchases.
Is Railbound free?
Railbound costs $4.99, with no in-app purchases.
Which has better reviews, Causality or Railbound?
Railbound is rated higher. Causality averages 4.4 out of 5 from 185 ratings, while Railbound averages 4.8 from 117 ratings.
Do Causality or Railbound have ads?
Neither Causality nor Railbound shows ads.
Which is updated more often, Causality or Railbound?
Causality ships an update every 3 months, and Railbound every 3 days. Most recently, Causality was updated on October 14, 2026 and Railbound on October 11, 2026.
Which is more popular, Causality or Railbound?
Causality currently peaks at #187 in the App Store charts, and Railbound at #96. Chart position reflects recent download velocity rather than total install base.

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