# UpPOSTech vs FieldServiceOS

The clearest difference is in-app purchases: UpPOSTech at none against FieldServiceOS's 1. UpPOSTech also leads on iOS requirement (15.6 vs 18.6). FieldServiceOS's advantage is update cadence (every 2 days vs every 2 weeks). On price, ads and device support there is nothing between them.

Both are free to download. FieldServiceOS sells 1 in-app purchase, starting at $14.99 per month. UpPOSTech asks for nothing beyond the download.

UpPOSTech ships an update every 2 weeks, FieldServiceOS every 2 days. The most recent releases landed on October 20, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | UpPOSTech | FieldServiceOS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Size | 86 MB | 22 MB |
| Requires iOS | **15.6** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [IZI SOFTWARE TECHNOLOGY JOINT STOCK COMPANY](https://appshunter.io/developer/1531616435) | [Aitor Recalde](https://appshunter.io/developer/1805666679) |

## What reviewers say

### UpPOSTech

[App page](https://appshunter.io/ios/app/uppostech/id6753279236)

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

**In-app purchases:** none


### FieldServiceOS

[App page](https://appshunter.io/ios/app/fieldserviceos/id6755404926)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Monthly | $14.99 | per month |


## Frequently asked questions

### Is UpPOSTech free?

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

### Is FieldServiceOS free?

FieldServiceOS is free to download, with in-app purchases available.

### Do UpPOSTech or FieldServiceOS have ads?

Neither UpPOSTech nor FieldServiceOS shows ads.

### Which is updated more often, UpPOSTech or FieldServiceOS?

UpPOSTech ships an update every 2 weeks, and FieldServiceOS every 2 days. Most recently, UpPOSTech was updated on October 20, 2026 and FieldServiceOS on October 16, 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.*