CoreNexa vs ConnectUC
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CoreNexa
Manage your business phone system from your mobile device. Make and receive calls using your business number and caller ID, access voicemail, and utilize features like virtual attendants and conference bridges. Stay connected to your business communications on the go.
- Make/receive business calls
- Use business caller ID
- Access voicemail
- Extension dialing
- Shared contacts directory
- Conference bridge access
- Virtual attendant management
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Leverage the power of your business phone through your iPhone or iPad - anywhere, anytime. By using your iPhone or iPad, you can make and receive calls from your business phone, access your voicemail, business directories, recent calls, conference bridges and other valuable features, such as virtual attendant. Some key benefits of the mobile app include the following: · Making calls using your business calling plan and your business caller ID · Receiving calls made to your business phone number on the app · Being able to extension dial co-workers · Using the shared contacts directory and having access to all extensions in the company · Viewing recent calls · Clicking to dial back any of your recent callers · One-click to dial your conference bridges as a moderator or attendee · Listening to your voicemail · Updating your voicemail greetings · Managing virtual attendant schedules, including the ability to override your current schedule · Updating your virtual attendant greetings To Use this App: · Download and install the app on your iPhone or iPad · Sign-in using your phone system portal username and password NOTE: If you need more information or can’t log in, check with your service provider to see if you have the necessary permissions to use this application.
ConnectUC
This app provides comprehensive business phone and unified communications features, including voice calling, SMS, visual voicemail with transcriptions, and co-worker presence. It integrates PBX functionality into a single application, accessible across web, desktop, and mobile devices.
- Voice calling with transfers and conference calling
- Visual voicemail with transcriptions
- SMS using business number
- Co-worker presence and status
- All-in-one PBX functionality
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ConnectUC gives you full access to your business phone and unified communications with voice calling, text messaging, voicemail, co-worker presence, meetings, and more. It works across web, desktop, and mobile apps. Calls - Stay connected, no matter where you are! With the ability to take your extension with you, you can easily place or receive calls with features like call transfers, conference calling, call history, recordings and more. Visual Voicemail with Transcriptions - Never miss a voicemail with visual voicemail that includes transcriptions, allowing you to quickly and easily read your messages. All-in-One App - Access PBX functionality seamlessly within one application, eliminating the need for multiple portals. Co-Worker Status - Real-time coworker phone status with integrated presence allows users at a glance to see the phone and status of users throughout the company, whether they are using their deskphone or ConnectUC. SMS - Send and receive text messages using SMS with your business phone number associated with your extension, without needing to use your personal phone number. Messaging for Chat and Collaboration (coming soon) - Chat and collaborate with your team over messages with individual and group messaging. Meetings (coming soon) - Group meetings with video and screen sharing with anyone inside or outside of your company. Flexible Fax (coming soon) - Send and receive faxes directly from the UC Client, complete with multiple numbers and cover pages. Keep in mind: ConnectUC was built to work with your UCaaS service and requires a UCaaS account.
Screenshots
Verdict
The clearest difference is rating: ConnectUC at 3.9 against CoreNexa's 2.3. ConnectUC also leads on review sentiment (61% vs 22%). CoreNexa's advantage is iOS requirement (12.0 vs 16.4). On price, ratings volume, update cadence and ads 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.
ConnectUC holds the better App Store score, 3.9 against 2.3. Both are backed by a comparable volume of ratings — 256 and 89 respectively. Written reviews point the same way: 22% of CoreNexa's written reviews are positive against 61% of ConnectUC's.
CoreNexa ships an update every 3 weeks, ConnectUC fortnightly. The most recent releases landed on July 25, 2026 and September 8, 2026 respectively.
| Parameter | CoreNexa | ConnectUC |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (256 ratings) | 3.9 (89 ratings) — better |
| Positive reviews | 22.5% of reviews | 60.6% of reviews — better |
| Number of ratings | 256 — better | 89 |
| Update frequency | Every 3 weeks | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Requires iOS | 12.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 49 MB | 155 MB |
| Age rating | 4+ | 4+ |
| Developer | CoreNexa, LLC | ConnectUC LLC |
Customer experience
CoreNexa
ConnectUC
Bugs and requests
CoreNexa
Reported bugs
18 issues- Calls drop after 5-6 minutes
- Audio cuts in and out during calls
- Incoming calls don't ring on device
- App crashes when selecting text
- Speakerphone stops working mid-call
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- Screen orientation issues
- Call history not populating
- Voicemail messages disappearing
- Ghost messages that won't delete
- Calls disconnect when switching from cellular to WiFi
- Multiple simultaneous calls cause app failure
- App logs out without warning
- Hangup button requires multiple clicks
- Auto-fill password field prevents login recovery
- Notifications interrupt and end calls
- Video recording access lost after updates
- Contacts only load in phone app, not web version
- Call quality degrades with each update
Requested features
11 requests- Improve call stability and reliability
- Enhance audio quality and noise reduction
- Better contact management and syncing
- SMS/text messaging functionality
- Improved speaker phone reliability
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- Better volume controls and audio settings
- Respect system-wide iOS settings
- Faster app load times
- Improved call history tracking
- Better offline functionality
- Adjust call button placement away from bottom bar
ConnectUC
Not enough reviews yet to summarise bugs or requests.
In-app purchases
CoreNexa
No in-app purchases
ConnectUC
No in-app purchases









