Comparison

rSign by Cencert vs KDPW Group Authenticator

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

KDPW Group Authenticator

Free

🔧 Utilities

No ratingsView app →

About

rSign by Cencert

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

Read full description

The rSign application replaces the reader and the cryptographic card when placing a qualified signature purchased at Cencert. You'll never forget your signature card again. You can sign on computers that don't have card readers.

About

KDPW Group Authenticator

Read full description

KDPW Group Authenticator to aplikacja do bezpiecznego potwierdzania tożsamości dla użytkowników korzystających z usług KDPW i KDPW_CCP. Aplikacja stanowi dodatkowy składnik bezpieczeństwa w procesie logowania do konta w systemie dostępowym KDPW.

Screenshots

rSign by Cencert4 screens

KDPW Group Authenticator4 screens

Verdict

The call

The clearest difference is update cadence: rSign by Cencert at every 2 weeks against KDPW Group Authenticator's monthly. KDPW Group Authenticator's advantage is iOS requirement (12.1 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

rSign by Cencert ships an update every 2 weeks, KDPW Group Authenticator monthly. The most recent releases landed on September 24, 2026 and September 15, 2026 respectively.

Scorecard2 real differences · 6 level

rSign by Cencert versus KDPW Group Authenticator: the parameters behind the verdict, then further details
Parameter	rSign by Cencert	KDPW Group Authenticator
Price	Free	Free
Positive reviews	50.0% of reviews	—
Update frequency	Every 2 weeks — better	Monthly
Ads	No	No
In-app purchases	No	No
Monetization	Free	—
Devices	iPhone, iPod	iPhone, iPod
Requires iOS	15.0	12.1 — better
Further details — not scored
Size	61 MB	18 MB
Age rating	4+	17+
Developer	Enigma SOI	KDPW

In-app purchases

None

rSign by Cencert

No in-app purchases

None

KDPW Group Authenticator

No in-app purchases

Questions

Is rSign by Cencert free?

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

Is KDPW Group Authenticator free?

KDPW Group Authenticator is free to download, with no in-app purchases.

Do rSign by Cencert or KDPW Group Authenticator have ads?

Neither rSign by Cencert nor KDPW Group Authenticator shows ads.

Which is updated more often, rSign by Cencert or KDPW Group Authenticator?

rSign by Cencert ships an update every 2 weeks, and KDPW Group Authenticator monthly. Most recently, rSign by Cencert was updated on September 24, 2026 and KDPW Group Authenticator on September 15, 2026.