# Knives Jam 3D vs Railcar Sort

The clearest difference is update cadence: Railcar Sort at daily against Knives Jam 3D's every 5 days. On price, ads, in-app purchases and device support there is nothing between them.

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

Knives Jam 3D ships an update every 5 days, Railcar Sort daily. The most recent releases landed on October 17, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Knives Jam 3D | Railcar Sort |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (11 ratings)](https://appshunter.io/ios/app/railcar-sort/id6505145805/reviews)** |
| Number of ratings | — | **11** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 5 days | **Daily** |
| Monetization | — | Ad-supported |
| Size | 125 MB | 362 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [RedLine Games](https://appshunter.io/developer/1050165849) | [Pham Anh](https://appshunter.io/developer/881929073) |

## What reviewers say

### Knives Jam 3D

[App page](https://appshunter.io/ios/app/knives-jam-3d/id6503088800)

**Features:** macOS Compatibility

**In-app purchases:** none


### Railcar Sort

[App page](https://appshunter.io/ios/app/railcar-sort/id6505145805)

Strategically move and align identical train cars of different colors and types onto single rails. Connect matching cars for easier manipulation and clear them by forming sets of four. The challenge increases with more rails and cars as you advance.

**Highlights:** Strategic train car movement, Align identical train cars, Connect matching cars for manipulation, Clear sorted sets of four, Expanding map and increasing challenge

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Knives Jam 3D free?

Knives Jam 3D is free to download, with no in-app purchases.

### Is Railcar Sort free?

Railcar Sort is free to download, with no in-app purchases.

### Do Knives Jam 3D or Railcar Sort have ads?

Both Knives Jam 3D and Railcar Sort show ads.

### Which is updated more often, Knives Jam 3D or Railcar Sort?

Knives Jam 3D ships an update every 5 days, and Railcar Sort daily. Most recently, Knives Jam 3D was updated on October 17, 2026 and Railcar Sort on October 22, 2026.

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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.*