# Bus 21 vs Freight Train by MB

The clearest difference is ads: Freight Train by MB at none against Bus 21's shown. On price, update cadence, 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.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 19, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Bus 21 | Freight Train by MB |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | Every 2 months |
| Size | 133 MB | 80 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [MENA AAZEDINE](https://appshunter.io/developer/1553748034) | [The GreenStreak, Corp.](https://appshunter.io/developer/1290400226) |

## What reviewers say

### Bus 21

[App page](https://appshunter.io/ios/app/bus-21/id6444346423)

**Features:** macOS Compatibility

**In-app purchases:** none


### Freight Train by MB

[App page](https://appshunter.io/ios/app/freight-train-by-mb/id6445941524)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Bus 21 free?

Bus 21 is free to download, with no in-app purchases.

### Is Freight Train by MB free?

Freight Train by MB is free to download, with no in-app purchases.

### Do Bus 21 or Freight Train by MB have ads?

Bus 21 shows ads; Freight Train by MB does not.

### Which is updated more often, Bus 21 or Freight Train by MB?

Bus 21 ships an update every 2 months, and Freight Train by MB every 2 months. Most recently, Bus 21 was updated on October 19, 2026 and Freight Train by MB on October 10, 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.*