iPECS UCS vs 3CX
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iPECS UCS
This business communication app connects to a P5.5 system, offering features like presence, call management, video calls, and visual voicemail. It allows users to access various iPECS host functionalities over Wi-Fi or mobile data.
- Presence status
- Call transfer and forwarding
- Video calls
- Visual voicemail
- Chatting
- User search via LDAP
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iPECS UCS is a mobile client App for UCS P5.5 system. As an iPECS client device, iPECS UCS has access to the various features of the iPECS host. iPECS UCS clients employ Wi-Fi or mobile data network to connect with UCS P5.5 system for business communication services such as presence, call, and voicemail. There are differences in the iPECS UCS functions depending on which host system is used, and the function screen may be different as a result. Basic features of the iPECS host available to iPECS UCS include: - Presence - Call transfer / Call Forward - Video call - CallBack / CallThrough - Conference - Chatting - Visual Voicemail - Organization Chart (in Premium) - User Search from LDAP Server - MEX function
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/
Screenshots
Verdict
The clearest difference is rating: 3CX at 2.6 against iPECS UCS's 1.9. 3CX also leads on ratings volume (321 vs 7) and review sentiment (28% vs 11%). iPECS UCS's advantage is iOS requirement (6.0 vs 16.3). On price, update cadence, 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.
3CX holds the better App Store score, 2.6 against 1.9. That said, the two scores are not equally well evidenced: 3CX has 321 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 11% of iPECS UCS's written reviews are positive against 28% of 3CX's.
iPECS UCS ships an update every 2 months, 3CX monthly. The most recent releases landed on October 15, 2026 and October 18, 2026 respectively.
| Parameter | iPECS UCS | 3CX |
|---|---|---|
| Price | Free | Free |
| Rating | 1.9 (7 ratings) | 2.6 (321 ratings) — better |
| Positive reviews | 11.1% of reviews | 28.4% of reviews — better |
| Number of ratings | 7 | 321 — better |
| Update frequency | Every 2 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 6.0 — better | 16.3 |
| Further details — not scored | ||
| Size | 28 MB | 64 MB |
| Age rating | 4+ | 4+ |
| Developer | IPECS Co., Ltd. | 3CX |
Customer experience
iPECS UCS
3CX
Bugs and requests
iPECS UCS
Not enough reviews yet to summarise bugs or 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
In-app purchases
iPECS UCS
No in-app purchases
3CX
No in-app purchases








