# Knit Loop vs Rail Rush Puzzle

The clearest difference is in-app purchases: Rail Rush Puzzle at none against Knit Loop's 10. Rail Rush Puzzle also leads on ads (none vs shown) and update cadence (daily vs every 5 days). On price and device support there is nothing between them.

Both are free to download. Knit Loop sells 6 one-off in-app purchases. Rail Rush Puzzle asks for nothing beyond the download.

Knit Loop ships an update every 5 days, Rail Rush Puzzle daily. The most recent releases landed on October 7, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Knit Loop | Rail Rush Puzzle |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 days | **Daily** |
| Monetization | — | Free |
| Size | 274 MB | 303 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 12+ |
| Developer | [SUPERSONIC STUDIOS LTD](https://appshunter.io/developer/1499845738) | [Electra Games](https://appshunter.io/developer/1807747400) |

## What reviewers say

### Knit Loop

[App page](https://appshunter.io/ios/app/knit-loop/id6756001506)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coin Pack 1 | $1.99 | one-time |
| Fail Offer | $4.99 | one-time |
| Master Bundle | $19.99 | one-time |
| Mega Bundle | $39.99 | one-time |
| Giant Bundle | $79.99 | one-time |
| Legendary Bundle | $99.99 | one-time |


### Rail Rush Puzzle

[App page](https://appshunter.io/ios/app/rail-rush-puzzle/id6757985303)

A strategic puzzle game where you must load passengers into train wagons in the correct order. Plan your moves carefully to fill all wagons and complete trains. Easy to learn but challenging to master, it tests your logic and planning skills.

**Highlights:** Strategic passenger loading, Train wagon management, Progressive level difficulty, Logic and planning tests, Short, satisfying puzzle levels, Simple controls

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Knit Loop free?

Knit Loop is free to download, with in-app purchases available.

### Is Rail Rush Puzzle free?

Rail Rush Puzzle is free to download, with no in-app purchases.

### Do Knit Loop or Rail Rush Puzzle have ads?

Knit Loop shows ads; Rail Rush Puzzle does not.

### Which is updated more often, Knit Loop or Rail Rush Puzzle?

Knit Loop ships an update every 5 days, and Rail Rush Puzzle daily. Most recently, Knit Loop was updated on October 7, 2026 and Rail Rush Puzzle on October 14, 2026.

---

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