3CX vs Zadarma Conf
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
3CX
This app enables remote work by allowing users to access their office phone extension from any location. It facilitates calls, conference scheduling, team chat, and video conferencing directly from an iOS device.
- Office extension access anywhere
- Schedule conferences
- Chat with colleagues
- Video calls
- QR code setup
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Stay connected and make remote work easier with 3CX. This app allows you to use your office extension from anywhere and not only for calls. Schedule conferences, chat with your colleagues and video call from your iOS device. Getting Started: 1. Install the app. 2. Open it, read and accept the license agreement and authorize the permissions the app needs (camera, microphone). 3. Open your web client or desktop app and click on the QR code in the top right corner. Details on how to access your web client are in your 3CX email sent by your administrator. 4. Open your camera on your iOS device and scan the QR code shown on your screen. 5. Your extension is configured and you’re now “Ready for calls”! Important: This app is only for use with 3CX V20 and is not a standalone app. More information: https://www.3cx.com/user-manual/installation-iphone/
Zadarma Conf
A straightforward video conferencing tool designed for connecting with up to 50 participants. It offers encrypted HD video and audio, instant access from any device, and in-chat messaging and file sharing for seamless communication with colleagues, clients, or loved ones.
- Up to 50 participants
- Video and audio encryption
- HD quality
- Instant access from any device
- Messaging and file sharing in chat
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Zadarma Сonf – free video conferencing A simple video conferencing tool supporting up to 50 participants This app was created for connecting to Zadarma video conferences. To use VoIP services (numbers, PBX) - download Zadarma app. Zadarma Сonf is a simple video conferencing tool with tens of useful features. Communicate with remote offices, partners, clients, friends and family inside the app. The app is created for smartphones and tablets with an ability to join a conference room via an invitation. Features: - Supports up to 50 participants - Video and audio encryption - HD quality - Instant access from any device - Messaging and file sharing in a chat
Screenshots
Verdict
The clearest difference is review sentiment: Zadarma Conf at 100% against 3CX's 28%. Zadarma Conf also leads on rating (5.0 vs 2.6) and iOS requirement (13.0 vs 16.3). 3CX's advantage is update cadence (monthly vs every 11 months) and ratings volume (317 vs 1). 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.
Zadarma Conf holds the better App Store score, 5.0 against 2.6. That said, the two scores are not equally well evidenced: 3CX has 317 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 28% of 3CX's written reviews are positive against 100% of Zadarma Conf's.
3CX ships an update monthly, Zadarma Conf every 11 months. The most recent releases landed on September 24, 2026 and September 15, 2026 respectively.
| Parameter | 3CX | Zadarma Conf |
|---|---|---|
| Price | Free | Free |
| Rating | 2.6 (317 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 28.1% of reviews | 100.0% of reviews — better |
| Number of ratings | 317 — better | 1 |
| Update frequency | Monthly — better | Every 11 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.3 | 13.0 — better |
| Further details — not scored | ||
| Size | 64 MB | 66 MB |
| Age rating | 4+ | 4+ |
| Developer | 3CX | Zadarma Project |
Customer experience
3CX
Zadarma Conf
Bugs and requests
3CX
Reported bugs
5 issues- Inability to answer/make calls
- Freezing/crashing during calls
- Missed call notifications not working
- Incompatibility with certain iOS versions
- Issues with call transfer and merging
Requested features
6 requests- Apple Watch support
- Customizable ringtones
- Do Not Disturb mode
- Call transfer/parking functionality
- Improved voicemail management
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- Siri/voice control integration
Zadarma Conf
Not enough reviews yet to summarise bugs or requests.
In-app purchases
3CX
No in-app purchases
Zadarma Conf
No in-app purchases









