Comparison

IIT CA EndUser vs UmCAService

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

Head to head

Sign and verify data

About

IIT CA EndUser

This application allows users to manage private keys and certificates for digital signatures. It enables the creation and verification of signatures to ensure data protection and authenticity.

Highlights

Private key management
Certificate control
Signature creation
Signature verification
Data protection

Features

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Designed to control private keys and certificates of CA users, to make and verify signatures, to protect user data

About

UmCAService

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UmCAservice - cross-platform cryptographic REST API service Main tasks: Electronic signatures creation(raw signature or envelopes in CAdES BES, CAdES TS, CAdES Long C, CAdES Long X formats) Electronic signatures, timestamps and certificates validation Key-stores management(generation and removal of keys with certificates, updating certificates on the keystores, change of pin code) Asymmetric encryption and decryption. Key-store types supported: Hardware: devices supporting PKCS#11 interface(for example Avtor ST337 or Avtor ST338) Software: Pfx(PKCS#12), JKS (Java Key Store), .DAT(IIT), .ZS2(Accredited Certification Authority “Ukraine”) Two editions of the service are currently available: Basic - free edition of the service for non-commercial use. The main functional includes creation of advanced/qualified electronic signatures. Full - edition of the service for commercial use. The main functional includes creation and verification of advanced/qualified electronic signatures, management of certificates and key-stores, asymmetric encryption and decryption of data(e.g. creation of cryptographic envelopes).

Screenshots

IIT CA EndUser4 screens

UmCAService4 screens

Verdict

The call

The clearest difference is in-app purchases: IIT CA EndUser at none against UmCAService's 3. IIT CA EndUser also leads on iOS requirement (12.0 vs 15.0). UmCAService's advantage is update cadence (fortnightly vs every 7 months). On price, ads 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. UmCAService sells 3 in-app purchases, starting at $4.99 per month. IIT CA EndUser asks for nothing beyond the download.

UpkeepUpdate frequency

IIT CA EndUser ships an update every 7 months, UmCAService fortnightly. The most recent releases landed on July 8, 2026 and September 20, 2026 respectively.

Scorecard3 real differences · 5 level

IIT CA EndUser versus UmCAService: the parameters behind the verdict, then further details
Parameter	IIT CA EndUser	UmCAService
Price	Free	Free
Positive reviews	41.7% of reviews	—
Update frequency	Every 7 months	Fortnightly — better
Ads	No	No
In-app purchases	No — better	Yes
Monetization	Free	—
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	12.0 — better	15.0
Further details — not scored
Size	40 MB	59 MB
Age rating	4+	4+
Developer	Institute of Information Technologies, Private Joint Stock Company	AVTOR LLC

In-app purchases

None

IIT CA EndUser

No in-app purchases

3 purchases

UmCAService

Subscriptions3

UmCAService - 1 month$4.991 Month
UmCAService - 6 month$24.996 Months
UmCAService - 12 month$49.991 Year

Questions

Is IIT CA EndUser free?

IIT CA EndUser is free to download, with no in-app purchases.

Is UmCAService free?

UmCAService is free to download, with in-app purchases available.

Do IIT CA EndUser or UmCAService have ads?

Neither IIT CA EndUser nor UmCAService shows ads.

Which is updated more often, IIT CA EndUser or UmCAService?

IIT CA EndUser ships an update every 7 months, and UmCAService fortnightly. Most recently, IIT CA EndUser was updated on July 8, 2026 and UmCAService on September 20, 2026.