Comparison

TeleSec OneTimePass vs ProCall Mobile

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

Head to head
About

TeleSec OneTimePass

Read full description

With the TeleSec OneTimePass app you can use your iOS device to generate one-time passwords for the TeleSec OneTimePass service of T-Systems International GmbH. For further information please visit http://www.telesec.de

About

ProCall Mobile

This business communication app provides unified communications and CTI functions for mobile devices. Access office phone features, business contacts, and colleague availability on the go. Includes chat, video calls, and CRM/ERP integration for efficient communication.

Highlights
  • Use office phone on the move
  • Access business contacts and communication functions
  • Chat for secure message exchange
  • Video chat
  • CRM/ERP software integration
  • Instant messaging and presence management
Features
Read full description

ProCall Mobile is a native smartphone and tablet app with selected Unified Communications and CTI functions. To use this app version, you need a supported installation/version of ProCall Enterprise in which you have been activated as a user. Supported installations/versions of ProCall Enterprise are: • ProCall 8 Enterprise, with a valid software maintenance contract • ProCall NEX With ProCall Mobile, the native app for iPad and iPhone, users can easily access selected and proven unified communications and CTI functions from the bestselling ProCall Enterprise. Important data on business contacts and information on the availability of colleagues enables efficient communication at all times, even when on the move. Features such as video chat or the integration of softphone functions (SIP) significantly upgrade the app. An Overview of the Most Important Features • Use the office phone on the move • Fast access to business contacts and all communication functions • See the last contacts quickly at a glance • Chat for fast and secure exchange of messages • Integration of common CRM, ERP and industry software. Relevant information immediately available for up-to-date contact data • Personal communication with audio/video chat • Instant messaging and presence management, also for external business partners through federation • Always be efficiently organized with a personal call journal

Screenshots

TeleSec OneTimePass4 screens
ProCall Mobile1 screens

Verdict

The call

The clearest difference is update cadence: ProCall Mobile at monthly against TeleSec OneTimePass's every 10 months. TeleSec OneTimePass's advantage is device support (4 vs 2) and iOS requirement (13.1 vs 17.0). On price, ads and in-app purchases 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

TeleSec OneTimePass ships an update every 10 months, ProCall Mobile monthly. The most recent releases landed on September 18, 2026 and September 17, 2026 respectively.

Scorecard3 real differences · 5 level
TeleSec OneTimePass versus ProCall Mobile: the parameters behind the verdict, then further details
ParameterTeleSec OneTimePassProCall Mobile
PriceFreeFree
Positive reviews—13.0% of reviews
Update frequencyEvery 10 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad
Requires iOS13.1 — better17.0
Further details — not scored
Size3 MB84 MB
Age rating4+12+
DeveloperT-SystemsESTOS GmbH

In-app purchases

None

TeleSec OneTimePass

No in-app purchases

None

ProCall Mobile

No in-app purchases

Questions

Is TeleSec OneTimePass free?
TeleSec OneTimePass is free to download, with no in-app purchases.
Is ProCall Mobile free?
ProCall Mobile is free to download, with no in-app purchases.
Do TeleSec OneTimePass or ProCall Mobile have ads?
Neither TeleSec OneTimePass nor ProCall Mobile shows ads.
Which is updated more often, TeleSec OneTimePass or ProCall Mobile?
TeleSec OneTimePass ships an update every 10 months, and ProCall Mobile monthly. Most recently, TeleSec OneTimePass was updated on September 18, 2026 and ProCall Mobile on September 17, 2026.

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