BT Cloud Work vs Unify Office
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BT Cloud Work
Manage your business phone system from your smartphone. Handle calls, voicemails, faxes, messages, and video meetings on the go. Maintain your business caller ID and collaborate with colleagues seamlessly.
- Business caller ID
- VoIP calls
- Visual voicemail
- Internet fax
- HD video conferencing
- Team messaging
- Unlimited conference calling
Read full descriptionHide full description
Download the BT Cloud Work app — the essential application for your BT Cloud Work service. Manage your phone system directly from your smartphone and handle your business calls, voicemails and faxes, messages, video meetings, anywhere. If you need any support please contact our service desk on 0800 389 0321. Use the BT Cloud Work app on your smartphone to: - Show your BT Cloud Work business number as your Caller ID when making calls. - Make VoIP calls over Wi-fi / 3G / 4G / 5G - Use the BT Cloud Work RingOut feature to continue making calls with business caller ID using your mobile network - Switch an active call to your mobile if you’re walking away from your desk - Keep all your business voicemails and faxes separate from your personal messages. - See who left a message, forward messages, and tap to return calls with Visual Voicemail. - Send and receive faxes, by accessing photos, email attachments, and cloud storage such as Dropbox & Google Drive - View call time, date, and duration, and return calls directly from your BT Cloud Work call logs. - Get notifications of incoming messages. - Access your company extensions as a contact group. - Conferencing feature with unlimited conference calling for up to 1000 participants per conference* - Host and participate in HD video conferencing meetings* - Collaborate with colleagues; send and receive messages and files BT Cloud Work - a cloud-based business phone system that delivers: - Local, Free Phone and Non Geographic numbers - Auto-receptionist - Multiple extensions - Advanced call management and answering rules - Multiple voicemail boxes - Visual voicemail - Internet fax - Music on hold - Custom greetings - Call screening - Call queues - Dial-by-name directory - Conferencing*
Unify Office
This all-in-one business communication app offers team messaging, video conferencing, and HD phone calls. It allows for seamless collaboration with file sharing, task management, and screen sharing. Users can also send faxes directly from their mobile devices.
- Team messaging with file sharing
- Real-time video meetings with screen sharing
- HD voice calls with business caller ID
- Send faxes from mobile devices
- Task management and shared calendar
Read full descriptionHide full description
Work from anywhere with the leading all-in-one team messaging, video conferencing, and phone calling solution. You and your team can stay more connected, focused, and productive while staying home and keeping your social distances. Here’s how Unify Office helps teams stay efficient during this time: *Collaborate with superior team messaging* Message individuals or teams in real time to stay connected and bring remote workers together. Easily collaborate with file sharing, task management, and a shared calendar. All for free. No plan required. *Stay connected with seamless video meetings* Launch video meetings directly from the app for real-time collaboration with screen sharing, chat, and markup tools. *Make HD calls with an enterprise phone system* Get HD voice quality, call forwarding, and advanced call features all while displaying your business number as your caller ID. Use Wi-Fi, carrier minutes, or cellular data on any mobile device. *Send a fax from anywhere* Send files through your mobile device with secure and easy online faxing. Attach files from Dropbox, Box, Google Drive, or any Microsoft Office application, or submit faxes online via email. A Unify Office subscription is required for certain product features. Features will vary by product and plan. A free subscription is available with limited capabilities.
Screenshots
Verdict
The clearest difference is review sentiment: Unify Office at 100% against BT Cloud Work's 24%. 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.
Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on September 17, 2026 and September 21, 2026 respectively.
| Parameter | BT Cloud Work | Unify Office |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) — better | — |
| Positive reviews | 23.7% of reviews | 100.0% of reviews — better |
| Number of ratings | 2 — better | — |
| Update frequency | Every 3 months | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 326 MB | 308 MB |
| Age rating | 4+ | 4+ |
| Developer | British Telecommunications plc | RingCentral, Inc |
Customer experience
BT Cloud Work
Unify Office
Bugs and requests
BT Cloud Work
Reported bugs
149 issues- App keeps going offline on mobile
- App shows offline when out of app
- Significant delay on calls
- Impossible to hold conversation
- Phone doesn't always ring
Show 144 moreShow fewer
- App logs out without notice
- Cannot send texts or do conferencing
- Temporary server issue is permanent
- Displays only initials for contacts
- Shows only phone number when app not open
- Falls over regularly
- Random beeping noises
- Features don't work
- Doesn't do anything when changing settings
- Doesn't tell you people have called
- Frequently drops calls
- Doesn't like working on 4G
- Keypad too small on iPhone
- Significant battery drain
- Call drop consistently
- Cut out mid conversation
- Slow clunky GUI
- Terrible functionality
- No SMS options
- Option buried away in menu
- Glitchy and clunky
- Disconnects on Wi-Fi
- Loses the call
- Cannot pickup from another handset
- Cuts out when calling
- Poor signal
- Forever calling clients back
- Causes more problems than needed
- Line immediately goes dead
- Doesn't always register missed calls
- UI very messy
- Harder to use
- Call log doesn't clear
- Contacts temperamental
- Incoming calls random
- Company name precedes caller display
- Cannot change ringtone
- Line always broken
- Suddenly lost after a few seconds
- Keeps dropping calls
- Not secure as fixed landline
- Cannot answer a call using the app
- Calls cut off
- Drops calls mid sentence
- Have to ring back on mobile
- Calls randomly get cut off
- Hit and miss if you can hear call
- Hit and miss if phone rings
- Inconsistent service
- Unlikely to finish a call
- App keeps logging out
- Rubbish on Wi-Fi
- App disconnects on Wi-Fi
- App loses the call
- Cannot pickup from another handset
- App is completely useless
- App cuts out when calling
- Poor signal
- Forever calling clients back
- App causes more problems than needed
- Line immediately goes dead
- App doesn't always register missed calls
- Poor voice quality on WiFi
- UI very messy
- Harder to use
- Call log doesn't have an option to clear it
- Contacts are temperamental in showing up
- Typical BT Shambles
- Never worked properly
- Lost business because of it
- Incoming calls come in, sometimes with the name
- Company name always precedes caller display
- Cannot change ringtone
- Line is always broken
- Line is suddenly lost
- Keeps dropping calls
- Not secure to use
- Does not seem possible to answer a call using the app
- Calls cut off
- Random automated message when trying to accept calls
- Randomly cut off on outbound calls
- Customer service is atrocious
- Technical support is arrogant
- Hit and miss if you can hear call
- Hit and miss if phone rings
- Inconsistent service
- Unlikely to finish a call
- Worst customer service
- Worst company
- Useless, incompetent staff
- App only works with old Salesforce version
- Very unreliable
- App is losing business and customers
- Calls get cut off
- App rings again but nothing happens
- Support is hard to understand
- Problem not solved
- Cannot get out of contract without penalty
- No one at BT seems bothered
- App requires a reasonable signal
- Calls are crackling
- Calls keep merging with other calls
- Hear random people in the call
- Calls drop even with a very strong WiFi
- App doesn't ring when someone calls
- Miss calls in the app
- App doesn't keep up with IOS updates
- Problems within the app
- Mobile app is just a supplement
- Phone won't ring
- Sent to voicemail
- Costing money through loss of work
- Not receiving phone calls
- Call often drops immediately upon being answered
- Number of rings setting seemingly changes itself
- Simple task of ringing is hit and miss
- Makes it unusable
- System rarely works
- Miss calls
- Fiddlier to answer
- Frequently lose calls
- Often missed calls
- Voicemail messages are delayed
- System gets confused
- Lose call when answering on app
- Struggles with WiFi and 3G/4G switching
- Can't change ring tone or volume
- Can't call out from main office number
- Can't copy and paste from call log
- Too easy to accidentally trigger dialling
- Bluetooth hands-free doesn't work
- Cannot hear each other
- App performance is abysmal
- Can't make 'warm transfers'
- Can't get client back from hold
- Calls drop off daily
- Lose clients half through conversations
- Line crackles
- Becomes robotic
- Delay when chatting
- Calls don't come through
- Reluctant to assist with issues
- Integration with existing contacts issue
- Contacts listed under first name
Requested features
24 requests- Spell/grammar check on chat
- Improve basic functionality
- Add essential features
- Streamline the app
- Improve call handling
Show 19 moreShow fewer
- Make it less complicated
- Add SMS options
- Allow copy/paste numbers from phone/calendar
- Improve UI and navigation
- Add option to clear call log
- Improve contact display
- Add dark mode
- Improve video meeting integration with MS Office 365
- Add screen sharing in video meetings
- Improve ringtone options
- Allow changing ringtone and volume
- Allow calling from main office number
- Enable copy/paste from call log
- Add contacts to Google contacts
- Dedicated dial button
- Improve transfer functionality
- Add warm transfers
- Improve integration with existing contacts
- Allow calling from main office number
Unify Office
Not enough reviews yet to summarise bugs or requests.
In-app purchases
BT Cloud Work
No in-app purchases
Unify Office
No in-app purchases
