# MobileSerwis vs Fieldworker

The clearest difference is update cadence: MobileSerwis at every 5 days against Fieldworker's monthly. Fieldworker's advantage is iOS requirement (15.0 vs 17.6). 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.

MobileSerwis ships an update every 5 days, Fieldworker monthly. The most recent releases landed on October 14, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | MobileSerwis | Fieldworker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Monthly |
| Size | 18 MB | 160 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Krzysztof Pliszka - kakaki soft](https://appshunter.io/developer/315548188) | [Fieldworker sp. z o.o.](https://appshunter.io/developer/1791382598) |

## What reviewers say

### MobileSerwis

[App page](https://appshunter.io/ios/app/mobileserwis/id497416704)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Fieldworker

[App page](https://appshunter.io/ios/app/fieldworker/id6740742444)

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

**In-app purchases:** none


## Frequently asked questions

### Is MobileSerwis free?

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

### Is Fieldworker free?

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

### Do MobileSerwis or Fieldworker have ads?

Neither MobileSerwis nor Fieldworker shows ads.

### Which is updated more often, MobileSerwis or Fieldworker?

MobileSerwis ships an update every 5 days, and Fieldworker monthly. Most recently, MobileSerwis was updated on October 14, 2026 and Fieldworker on October 28, 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.*