TeleSec OneTimePass vs ProCall Mobile
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TeleSec OneTimePass
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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
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.
- 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
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
| Parameter | TeleSec OneTimePass | ProCall Mobile |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 13.0% of reviews |
| Update frequency | Every 10 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad |
| Requires iOS | 13.1 — better | 17.0 |
| Further details — not scored | ||
| Size | 3 MB | 84 MB |
| Age rating | 4+ | 12+ |
| Developer | T-Systems | ESTOS GmbH |
In-app purchases
TeleSec OneTimePass
No in-app purchases
ProCall Mobile
No in-app purchases
Questions
Is TeleSec OneTimePass free?
Is ProCall Mobile free?
Do TeleSec OneTimePass or ProCall Mobile have ads?
Which is updated more often, TeleSec OneTimePass or ProCall Mobile?
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