b vs Mobile ZAC
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
b
This app unifies all your business communications in one place. Make calls, send texts, video conference, and chat with colleagues and customers. It integrates seamlessly with your cloud phone system for efficient collaboration and issue resolution.
- Unified communication management
- Voice calling and softphone
- Video conferencing up to 50 participants
- SMS and group chat
- Visual voicemail
- Virtual fax
- HIPAA compliant
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b-hive Mobile is the all-new, completely redesigned app for Broadvoice’s b-hive unified cloud communication platform: where conversations happen quicker, customer issues resolve in record time and your team can collaborate like never before. Users can manage all their internal and customer communications from a single application, including voice calling, video conferencing, SMS, chat, fax, and voicemail—all fully integrated with your b-hive cloud business phone system. VOICE: - Place calls from your business number on any device - Softphone interface with call management - Voice call recording - Access your full company directory and sync other contacts VIDEO: - All-new video calling and conferencing - Support for up to 50 simultaneous video participants - Video call recordings with full chat history - Private video links for each user - Video features available to b-hive pro seats only TEXT: - Text message one-on-one with any contact using your business number CHAT - Chat in groups or one-on-one with users from your organization - Securely share files - Reference full chat, call, and video history MORE: - HIPAA Compliant for health care providers - Visual voicemail converts your messages to text - Virtual fax delivers faxes directly to your app; no printing required
Mobile ZAC
Transform your mobile device into a fully functional business phone. This app integrates with Zultys systems to provide remote and mobile employees with essential communication tools, including video conferencing, instant messaging, and call management.
- Video conferencing
- Scheduled conferences
- Call logs with filtering
- Instant messaging
- Call attached data
- Retrieve active calls
- Agent roles & queue monitor
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Wherever your job takes you, make your mobile device your business phone. Mobile ZAC allows remote and mobile employees to manage business communications while utilizing the same tools as Zultys Advanced Communicator (ZAC) and our browser-based Web ZAC. We bring significant cost savings and reliability to our customers by including our mobile app with every user bundle for every Zultys system. Feature Overview: • Support for AI Tools: Real-time closed captions, real-time sentiment analysis, and live transcription with searchable post-call transcripts. • Mobile Network Calling: Place outbound and receive inbound business calls over your mobile carrier network. • iOS Recents Control: A configurable option to control whether Mobile ZAC calls appear in the native Phone app’s Recents list. • Department Filtering: Quickly filter company contact list by department or sub-department, and hide system services like auto attendants and call groups. • Single Sign-On (SSO) Support: SAML SSO has been developed and tested with Entra ID and ClassLink, with the potential to support other identity providers such as Okta, Duo, Auth0, and OneLogin. • Inbound and Outbound SMS and MMS for Call Group Agents: Agents in Operator, ACD, and ICC groups can send and receive SMS and MMS messages. • Web Chat for Call Group Agents: Agents in Operator, ACD, and ICC groups can now receive real-time message notifications from website visitors and respond. • Video Conferences: Easily host or join a conference, whether it’s for a group or one-on-one. Choose from three different modes to match your preferences: Speaker, Grid, or Pin an individual user. • Scheduled Conferences: Now users can view, join, and schedule conferences directly from the mobile app. • Call Logs: You can view complete phone call records and review the call history. Easily find the exact information you need with new filter and sort options. • Emojis: Elevate your conversations with native emojis. • Call Attached Data: Accessing and completing Call Attached Data while on the go is now easier than ever. • Retrieve Call: Move an active call from one device to another quickly and effortlessly. This feature gives you flexibility and an uninterrupted call experience. • Agent Roles & Queue Monitor: Agent roles and queue monitor have now been added for call center functionality on the go. More Feature Highlights: • Access Call Attached Data, recordings, transcripts, and voicemails from the call log • View presenter screen sharing for one-on-one and conference calls • System speed dial access • Ability for users to reply to and forward any message • Password reset link • Network switching between cellular and Wi-Fi networks while maintaining calls • Real-time presence status and presence notes • Instant message with internal and external parties with IM alerts • SMS support • Call group support Mobile ZAC is supported on systems running MX version Release 17 and above. Access to the latest capabilities requires MX Release 19.
Screenshots
Verdict
The clearest difference is rating: Mobile ZAC at 3.8 against b's 2.9. Mobile ZAC also leads on monetization model (free vs freemium) and review sentiment (54% vs 33%). b's advantage is update cadence (every 2 weeks vs every 3 months). On price, ratings volume, 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.
Mobile ZAC holds the better App Store score, 3.8 against 2.9. Both are backed by a comparable volume of ratings — 68 and 56 respectively. Written reviews point the same way: 33% of b's written reviews are positive against 54% of Mobile ZAC's.
b ships an update every 2 weeks, Mobile ZAC every 3 months. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.
| Parameter | b | Mobile ZAC |
|---|---|---|
| Price | Free | Free |
| Rating | 2.9 (68 ratings) | 3.8 (56 ratings) — better |
| Positive reviews | 33.3% of reviews | 54.2% of reviews — better |
| Number of ratings | 68 — better | 56 |
| Update frequency | Every 2 weeks — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Freemium | Free — better |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 16.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 96 MB | 60 MB |
| Age rating | 4+ | 4+ |
| Developer | Broadvoice | Zultys, Inc. |
Customer experience
b
Mobile ZAC
Bugs and requests
b
Reported bugs
54 issues- App never works
- App won't open on new iPhone
- App is unreliable
- One-way texting
- Phones don't work
Show 49 moreShow fewer
- Too many bugs
- Cannot log in
- Not receiving phone calls
- Cannot use when working from home
- Text messages not loading
- Calls not coming through
- Cannot click buttons on screen
- Missed calls from previous user
- Outgoing calls flagged as missed calls
- App doesn't ring
- Incoming calls drop when answered
- Spam calls don't drop
- No time log for billables
- No alpha on keypad
- Very slow to load
- Notification bubble issues
- Slow and complex UI/UX
- Lacking common sense functionality
- Cannot click on a voicemail to return a call
- Calls that go to voicemail don’t show up in call log
- Missed call log inaccurate
- Call log is a total disaster
- No rhyme or reason to call log entries
- No caller ID
- No easy way of clearing missed calls
- Cannot send SMS
- Notification badges won't clear
- App is confusing
- Calls automatically drop after 2 rings
- Navigation is sloppy
- Settings are extremely limited
- Randomly logs you out
- Audio cuts out randomly if connected to Wi-Fi
- If someone calls before or after business hours, their number does not show up in the log unless they leave a voicemail
- Caused numerous headaches
- Not intuitive
- Customer service not friendly
- Updated version uses personal ringtone on iPhone
- Cannot delete old texts and calls
- Calls and texts are combined under chats
- Still have unread notifications despite reading everything
- UI was not thought out
- Voicemails take about an hour to come through
- Doesn’t work well with Bluetooth headphones
- Red notification bubble won't go away
- When answering a call it does not always bring up the app options to transfer calls
- Does not work as an extension of work landline
- No instructions on how to transfer to voicemail
- Poor app compared to the old app
Requested features
14 requests- Option to zoom in or enlarge font
- Ability to transfer calls to coworkers
- Ability to park calls
- Fix notification badge issues
- Custom contacts list
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- Ability to delete old texts and calls
- Separate calls and texts
- Ability to edit more on the app
- Fix notification bubble issue
- Add dark mode option
- Improve UI/UX for clarity and ease of use
- Add distinct ringtones for work calls
- Allow customization of ringtones
- Improve Bluetooth headphone compatibility
Mobile ZAC
Not enough reviews yet to summarise bugs or requests.
In-app purchases
b
No in-app purchases
Mobile ZAC
No in-app purchases









