# Boum vs SORBA Transport

The clearest difference is update cadence: Boum at every 3 weeks against SORBA Transport's every 2 months. 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.

Boum ships an update every 3 weeks, SORBA Transport every 2 months. The most recent releases landed on October 30, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Boum | SORBA Transport |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 87 MB | 210 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Boum AG](https://appshunter.io/developer/1622571833) | [SORBA EDV AG](https://appshunter.io/developer/1080373118) |

## What reviewers say

### Boum

[App page](https://appshunter.io/ios/app/boum/id1622571831)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### SORBA Transport

[App page](https://appshunter.io/ios/app/sorba-transport/id6478541064)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Boum free?

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

### Is SORBA Transport free?

SORBA Transport is free to download, with no in-app purchases.

### Do Boum or SORBA Transport have ads?

Neither Boum nor SORBA Transport shows ads.

### Which is updated more often, Boum or SORBA Transport?

Boum ships an update every 3 weeks, and SORBA Transport every 2 months. Most recently, Boum was updated on October 30, 2026 and SORBA Transport on November 4, 2026.

---

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