# [sip] Mobile vs R

The clearest difference is update cadence: [sip] Mobile at every 3 weeks against R's every 2 months. 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.

[sip] Mobile ships an update every 3 weeks, R every 2 months. The most recent releases landed on October 17, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | [sip] Mobile | R |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 130 MB | 53 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ISOware GmbH](https://appshunter.io/developer/1489335403) | [Rosenberger Telematics GmbH](https://appshunter.io/developer/973120170) |

## What reviewers say

### [sip] Mobile

[App page](https://appshunter.io/ios/app/sip-mobile-client/id1489335404)

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

**In-app purchases:** none


### R

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

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is [sip] Mobile free?

[sip] Mobile is free to download, with no in-app purchases.

### Is R free?

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

### Do [sip] Mobile or R have ads?

Neither [sip] Mobile nor R shows ads.

### Which is updated more often, [sip] Mobile or R?

[sip] Mobile ships an update every 3 weeks, and R every 2 months. Most recently, [sip] Mobile was updated on October 17, 2026 and R on October 5, 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.*