Castel SIP vs ECN Softphone
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Castel SIP
This application functions as a SIP intercom softphone, enabling users to make and receive audio and video calls from IP intercom stations on their mobile devices. It allows for communication and remote door opening, working through Wi-Fi and cellular data networks.
- Audio and video calls
- IP intercom station integration
- Remote door opening
- Address book with favorites
- Call history
- Remote commands during calls
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Castel SIP App is a SIP intercom softphone. The easy-to-use and intuitive application, allows you to make and receive audio and video calls from IP intercom stations (XELLIP, CAPIP...) on your iPhone or iPad. With Castel SIP App, you can communicate and open the door, anywhere. It works with the Castel Cloud SIP server through Wi-Fi and 3G/4G/5G. Main features: - Audio and video calls with advanced functionalities (Loudspeaker, transfer calls, hold...) - Address book with favorites - Call history - Remote commands during calls and DTMF - Support landscape and portrait mode for all smartphone and tablet designs (camera notch...) Note: Please, check your cellular operator's terms of agreement to make sure they allow SIP calls on their network before using Castel SIP App.
ECN Softphone
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ECN Softphone is a dynamic and user-friendly application designed to streamline business communication. It offers advanced features such as seamless integration with various business systems, high-quality voice and video calling, and efficient contact management. With ECN Softphone, you can stay connected with your team and clients, whether you're working remotely or on-site, ensuring uninterrupted communication and enhanced productivity for your business.
Screenshots
Verdict
The clearest difference is device support: Castel SIP at 3 against ECN Softphone's 1. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Castel SIP ships an update every 4 months, ECN Softphone every 3 months. The most recent releases landed on November 1, 2026 and November 12, 2026 respectively.
| Parameter | Castel SIP | ECN Softphone |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 60.0% of reviews | โ |
| Update frequency | Every 4 months | Every 3 months โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | โ |
| Devices | iPhone, iPad, iPod โ better | iPhone |
| Requires iOS | 15.5 โ better | 16.6 |
| Further details โ not scored | ||
| Size | 84 MB | 71 MB |
| Age rating | 4+ | 17+ |
| Developer | Castel | Electronic Communications Network (Pty) Ltd |
In-app purchases
Castel SIP
No in-app purchases
ECN Softphone
No in-app purchases
Questions
Is Castel SIP free?
Is ECN Softphone free?
Do Castel SIP or ECN Softphone have ads?
Which is updated more often, Castel SIP or ECN Softphone?
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