# Roger Mobile Key vs rSign by Cencert

The clearest difference is review sentiment: rSign by Cencert at 50% against Roger Mobile Key's 14%. rSign by Cencert also leads on update cadence (every 2 weeks vs every 5 weeks). Roger Mobile Key's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Roger Mobile Key ships an update every 5 weeks, rSign by Cencert every 2 weeks. The most recent releases landed on July 7, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Roger Mobile Key | rSign by Cencert |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 14.3% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 12 MB | 61 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Roger Sp. z o.o. sp. k.](https://appshunter.io/developer/1441304551) | [Enigma SOI](https://appshunter.io/developer/965786000) |

## What reviewers say

### Roger Mobile Key

[App page](https://appshunter.io/ios/app/roger-mobile-key/id1441304552)

This app allows mobile devices to act as identification credentials for RACS 5 access control and RCP Master 3 Time & Attendance systems. It supports identification via Bluetooth or QR code, enabling convenient access without needing physical cards.

**Highlights:** Mobile identification for access control, Time & Attendance tracking, BLE (Bluetooth) identification, QR code identification, Remote access via Bluetooth

**Features:** macOS Compatibility

**In-app purchases:** none


### rSign by Cencert

[App page](https://appshunter.io/ios/app/rsign-by-cencert/id1549928034)

This app replaces physical signature cards and readers for placing qualified electronic signatures. It allows you to sign documents on any computer without needing specialized hardware, ensuring you never forget your signature card again.

**Highlights:** Qualified electronic signature placement, Replaces physical signature cards, Eliminates need for card readers, Sign on any computer, Convenient document signing

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

**In-app purchases:** none


## Frequently asked questions

### Is Roger Mobile Key free?

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

### Is rSign by Cencert free?

rSign by Cencert is free to download, with no in-app purchases.

### Do Roger Mobile Key or rSign by Cencert have ads?

Neither Roger Mobile Key nor rSign by Cencert shows ads.

### Which is updated more often, Roger Mobile Key or rSign by Cencert?

Roger Mobile Key ships an update every 5 weeks, and rSign by Cencert every 2 weeks. Most recently, Roger Mobile Key was updated on July 7, 2026 and rSign by Cencert on September 24, 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.*