# R vs SDMS

The clearest difference is iOS requirement: SDMS at 13.0 against R's 16.0. 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.

R ships an update every 2 months, SDMS every 5 weeks. The most recent releases landed on September 18, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | R | SDMS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Size | 53 MB | 29 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rosenberger Telematics GmbH](https://appshunter.io/developer/973120170) | [Sindikat delavcev migrantov Slovenije](https://appshunter.io/developer/1804335651) |

## What reviewers say

### R

[App page](https://appshunter.io/ios/app/r-drive/id1520470488)

**Features:** Vision Pro support

**In-app purchases:** none


### SDMS

[App page](https://appshunter.io/ios/app/sdms/id6743754859)

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

**In-app purchases:** none


## Frequently asked questions

### Is R free?

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

### Is SDMS free?

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

### Do R or SDMS have ads?

Neither R nor SDMS shows ads.

### Which is updated more often, R or SDMS?

R ships an update every 2 months, and SDMS every 5 weeks. Most recently, R was updated on September 18, 2026 and SDMS on September 8, 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.*