# Cosmic Express vs Railbound

The clearest difference is update cadence: Railbound at every 3 days against Cosmic Express's every 3 weeks. Cosmic Express's advantage is price ($0.99 vs $4.99) and review sentiment (91% vs 80%). On rating, ratings volume, ads and in-app purchases there is nothing between them.

Cosmic Express costs $0.99 and Railbound $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.8 for Cosmic Express against 4.8 for Railbound. Both are backed by a comparable volume of ratings — 198 and 119 respectively. Written reviews are what separate them: 91% of Cosmic Express's written reviews are positive against 80% of Railbound's.

Cosmic Express ships an update every 3 weeks, Railbound every 3 days. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Cosmic Express | Railbound |
| --- | --- | --- |
| Price | **$0.99** | $4.99 |
| Rating | **[4.8 (198 ratings)](https://appshunter.io/ios/app/cosmic-express/id1152474226/reviews)** | [4.8 (119 ratings)](https://appshunter.io/ios/app/railbound/id1636439801/reviews) |
| Number of ratings | **198** | 119 |
| Positive reviews | **90.8% of reviews** | 80.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | Paid | Paid |
| Best chart rank | #192 | **#77** |
| Size | 196 MB | 229 MB |
| Requires iOS | **6.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Draknek Limited](https://appshunter.io/developer/482086711) | [Afterburn Lukasz Spierewka](https://appshunter.io/developer/1417966885) |

## What reviewers say

### Cosmic Express

[App page](https://appshunter.io/ios/app/cosmic-express/id1152474226)

**Currently charting:** #192 Top Paid · Puzzle (US App Store)

Plan intricate train routes for a quirky space colony in this challenging puzzle game. Navigate hundreds of levels filled with cute aliens and increasingly difficult scenarios. Enjoy hours of engaging, frustrating fun without any in-app purchases or ads.

**Highlights:** Train route planning puzzles, Hundreds of levels, Cute alien characters, Challenging gameplay, No in-app purchases, No ads

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🧩 Elegant and challenging puzzle design
- 🎨 Beautiful minimalist graphics and cute aesthetic
- 😄 Clever humor through visual design without narrative
- ⏱️ No ads or intrusive monetization
- 🎮 Simple controls with deep gameplay

**What reviewers complain about**

- 😤 Extremely steep difficulty spike early on
- 🔥 Can be frustratingly difficult for casual players
- 🎲 Difficulty progression feels somewhat random
- ❌ No hint system or solution guides available
- ⏳ Some puzzles require hours to solve

**Reported bugs**

- Delphinus 6 cannot achieve gold star despite correct solutions
- Accidental purchases through scrolling (multiple reports)
- Duplicate billing for already purchased app

**Requested features**

- Level editor mode to create and share custom puzzles
- Hint system or optional solution guides
- More levels or sequel content
- Different editing mode for easier track deletion/modification


### Railbound

[App page](https://appshunter.io/ios/app/railbound/id1636439801)

**Currently charting:** #77 Top Paid · Casual, #92 Top Paid · Puzzle (US App Store)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Cosmic Express free?

Cosmic Express costs $0.99, with no in-app purchases.

### Is Railbound free?

Railbound costs $4.99, with no in-app purchases.

### Which has better reviews, Cosmic Express or Railbound?

Cosmic Express is rated higher. Cosmic Express averages 4.8 out of 5 from 198 ratings, while Railbound averages 4.8 from 119 ratings.

### Do Cosmic Express or Railbound have ads?

Neither Cosmic Express nor Railbound shows ads.

### Which is updated more often, Cosmic Express or Railbound?

Cosmic Express ships an update every 3 weeks, and Railbound every 3 days. Most recently, Cosmic Express was updated on October 26, 2026 and Railbound on October 25, 2026.

### Which is more popular, Cosmic Express or Railbound?

Cosmic Express currently peaks at #192 in the App Store charts, and Railbound at #77. Chart position reflects recent download velocity rather than total install base.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*