# SzeredApp vs ST22 Connect | Convoy Zero

The clearest difference is iOS requirement: SzeredApp at 11.0 against ST22 Connect | Convoy Zero's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

SzeredApp ships an update monthly, ST22 Connect | Convoy Zero every 2 months. The most recent releases landed on November 3, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | SzeredApp | ST22 Connect | Convoy Zero |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Size | 60 MB | 81 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [The Marketive](https://appshunter.io/developer/1466912213) | [ST22connect Korlatolt felelossegu tarsasag](https://appshunter.io/developer/1807615095) |

## What reviewers say

### SzeredApp

[App page](https://appshunter.io/ios/app/szeredapp/id1466912214)

**Features:** macOS Compatibility

**In-app purchases:** none


### ST22 Connect | Convoy Zero

[App page](https://appshunter.io/ios/app/st22-connect-convoy-zero/id6744416445)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SzeredApp free?

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

### Is ST22 Connect | Convoy Zero free?

ST22 Connect | Convoy Zero is free to download, with no in-app purchases.

### Do SzeredApp or ST22 Connect | Convoy Zero have ads?

Neither SzeredApp nor ST22 Connect | Convoy Zero shows ads.

### Which is updated more often, SzeredApp or ST22 Connect | Convoy Zero?

SzeredApp ships an update monthly, and ST22 Connect | Convoy Zero every 2 months. Most recently, SzeredApp was updated on November 3, 2026 and ST22 Connect | Convoy Zero on September 30, 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.*