# Knives Jam 3D vs Mail Rush!

The clearest difference is update cadence: Mail Rush! 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, Mail Rush! daily. The most recent releases landed on December 11, 2025 and June 6, 2026 respectively.

## The numbers

| Metric | Knives Jam 3D | Mail Rush! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mail-rush/id6503170813/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 5 days | **Daily** |
| Monetization | — | Ad-supported |
| Size | 125 MB | 97 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RedLine Games](https://appshunter.io/developer/1050165849) | [Can Hulagu](https://appshunter.io/developer/1629006728) |

## What reviewers say

### Knives Jam 3D

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Mail Rush!

[App page](https://appshunter.io/ios/app/mail-rush/id6503170813)

A brain-teasing puzzle game where players fold and deliver mail to corresponding mailboxes. Match the folded mail to successfully complete each level and test your logic skills.

**Highlights:** Fold mails, Deliver to mailboxes, Match folded mails, Complete levels, Brain teaser gameplay

**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 Mail Rush! free?

Mail Rush! is free to download, with no in-app purchases.

### Do Knives Jam 3D or Mail Rush! have ads?

Both Knives Jam 3D and Mail Rush! show ads.

### Which is updated more often, Knives Jam 3D or Mail Rush!?

Knives Jam 3D ships an update every 5 days, and Mail Rush! daily. Most recently, Knives Jam 3D was updated on December 11, 2025 and Mail Rush! on June 6, 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.*