# SI@ALL vs Centrotrans

The clearest difference is update cadence: Centrotrans at monthly against SI@ALL's every 3 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.

SI@ALL ships an update every 3 months, Centrotrans monthly. The most recent releases landed on September 22, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | SI@ALL | Centrotrans |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Size | 98 MB | 51 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Gradski Parking d.o.o.](https://appshunter.io/developer/1870290599) | [Promotim d.o.o. Sarajevo](https://appshunter.io/developer/1612996198) |

## What reviewers say

### SI@ALL

[App page](https://appshunter.io/ios/app/siall/id6758015570)

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

**In-app purchases:** none


### Centrotrans

[App page](https://appshunter.io/ios/app/centrotrans/id6758770294)

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

**In-app purchases:** none


## Frequently asked questions

### Is SI@ALL free?

SI@ALL is free to download, with no in-app purchases.

### Is Centrotrans free?

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

### Do SI@ALL or Centrotrans have ads?

Neither SI@ALL nor Centrotrans shows ads.

### Which is updated more often, SI@ALL or Centrotrans?

SI@ALL ships an update every 3 months, and Centrotrans monthly. Most recently, SI@ALL was updated on September 22, 2026 and Centrotrans on September 17, 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.*