# STLE Mobile vs UMTF25

STLE Mobile and UMTF25 are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | STLE Mobile | UMTF25 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Size | 37 MB | 4 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Society of Tribologists and Lubrication Engineers](https://appshunter.io/developer/1447163028) | [UNITI GmbH](https://appshunter.io/developer/1358684584) |

## What reviewers say

### STLE Mobile

[App page](https://appshunter.io/ios/app/stle-mobile/id6478055290)

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

**In-app purchases:** none


### UMTF25

[App page](https://appshunter.io/ios/app/umtf25/id6742656260)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is STLE Mobile free?

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

### Is UMTF25 free?

UMTF25 is free to download, with no in-app purchases.

### Do STLE Mobile or UMTF25 have ads?

Neither STLE Mobile nor UMTF25 shows ads.

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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.*