Tek Ofis vs Karel Connect
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tek Ofis
This business communication app provides the features of a next-generation phone system, allowing users to stay connected to their office from anywhere. Make HD calls, manage contacts, and send instant messages with file transfers.
- Virtual PBX capabilities
- HD quality calls
- Contact status monitoring
- Instant messaging
- File transfers
- Office independence
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Turkcell Tek Ofis (*) kontaklarınızla iletişim kurulabilir, yeni nesil bir santralin sağladığı tüm yetenekleri ve daha fazlasını deneyimleyebilirsiniz. Öne Çıkan Özellikler : Ofise bağlı kalmazsınız işinize bağlı kalırsınız. Tek Ofis ile masa telefonunuzu sürekli yanınızda bulunur. HD kalitesinde aramalar yapabilirsiniz. İş arkadaşlarınızın durum bilgisini görüntüleyebilir meşguliyet durumunu bir kontak listesi oluşturarak takip edebilirsiniz. Anlık mesajlaşma özelliği ile birebir ve grup içi yazışabilir, dosya transfer edebilirsiniz. * Tek Ofis uygulamasını Turkcell Tek Ofis servisi hesabı ile beraber kullanılır.
Karel Connect
Manage all your business calls from anywhere with this mobile PBX application. Make calls using your company's fixed line, forward calls, and access company directories and call history seamlessly. Experience secure and uninterrupted corporate communication on the go.
- Manage business calls remotely
- Company fixed line calling
- Call forwarding
- Access company directory
- Integrated AI-Powered IVR
- Comprehensive reporting
- Advanced security
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Karel Connect Mobile PBX Application was developed to help you maintain communication anytime, anywhere in your professional life. Designed specifically for corporate communication needs, this application allows you to easily manage all your business calls from anywhere—without being tied to your desk. Through your mobile device, you can make calls using your company’s fixed line, forward calls, and access your call history. In addition to your personal contact list, you can also reach the company directory and internal extensions. Karel Connect is fully compatible with both cloud-based and on-premise architectures. With advanced features such as day/night mode, various break types, and flexible call forwarding options, it offers a personalized experience tailored to your work schedule. Experience mobile, secure, and uninterrupted corporate communication by carrying your office phone in your pocket with Karel Connect. Karel Connect Product Features: • 24/7 Uninterrupted Communication • User-Friendly Interface • Integrated Voice Recording • Integrated AI-Powered IVR • Integrated TTS (Text-to-Speech) • Integrated ACD (Automatic Call Distribution) • Integrated SMS • WebRTC Support • Comprehensive Reporting • Call Detail Records (CDR) • Direct Line • Automatic Company and Address Information Sharing • Missed Call Reporting • Callback Feature • API / Web Service Integration Support • Conference Feature • Company Directory • Digital Fax • Active Directory Integration • Auto-Provisioning Support • Call Forwarding • Advanced Security • Campaign Calls • Smart Call Management • Branch Definition under a Central System
Screenshots
Verdict
The clearest difference is review sentiment: Karel Connect at 38% against Tek Ofis's 17%. Karel Connect also leads on update cadence (every 2 months vs every 4 months). On price, ads, in-app purchases and monetization model 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.
Tek Ofis ships an update every 4 months, Karel Connect every 2 months. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.
| Parameter | Tek Ofis | Karel Connect |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 16.7% of reviews | 37.5% of reviews — better |
| Update frequency | Every 4 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone |
| Requires iOS | 16.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 37 MB | 112 MB |
| Age rating | 4+ | 4+ |
| Developer | Turkcell Superonline | Karel Elektronik Sanayi Ve Ticaret A.S. |
Customer experience
Tek Ofis
Karel Connect
In-app purchases
Tek Ofis
No in-app purchases
Karel Connect
No in-app purchases









