# BT Cloud Work vs Avaya Cloud Office

The clearest difference is review sentiment: Avaya Cloud Office at 68% against BT Cloud Work's 24%. Avaya Cloud Office also leads on rating (4.2 vs 3.0) and ratings volume (66 vs 2). BT Cloud Work's advantage is monetization model (free vs subscription). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Avaya Cloud Office holds the better App Store score, 4.2 against 3.0. That said, the two scores are not equally well evidenced: Avaya Cloud Office has 66 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 24% of BT Cloud Work's written reviews are positive against 68% of Avaya Cloud Office's.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on September 17, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | BT Cloud Work | Avaya Cloud Office |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/bt-cloud-work/id948639434/reviews) | **[4.2 (66 ratings)](https://appshunter.io/ios/app/avaya-cloud-office/id1495845694/reviews)** |
| Number of ratings | 2 | **66** |
| Positive reviews | 23.7% of reviews | **68.4% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | **Free** | Subscription |
| Size | 326 MB | 370 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [British Telecommunications plc](https://appshunter.io/developer/373567642) | [RingCentral, Inc](https://appshunter.io/developer/293305987) |

## What reviewers say

### BT Cloud Work

[App page](https://appshunter.io/ios/app/bt-cloud-work/id948639434)

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.

**Highlights:** Business caller ID, VoIP calls, Visual voicemail, Internet fax, HD video conferencing, Team messaging, Unlimited conference calling

**Features:** macOS Compatibility, Siri integration, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Great for remote work
- 👍 Flexibility for business
- 👍 Can take office calls on mobile
- 👍 Useful for messages and voicemails
- 👍 Good for conference calls

**What reviewers complain about**

- 🐛 App keeps going offline
- 🐛 Never works properly
- 🐛 Shows offline when out of app
- 🐛 Very basic and outdated
- 🐛 Missing essential features

**Reported bugs**

- 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

**Requested features**

- Spell/grammar check on chat
- Improve basic functionality
- Add essential features
- Streamline the app
- Improve call handling


### Avaya Cloud Office

[App page](https://appshunter.io/ios/app/avaya-cloud-office/id1495845694)

This app unifies business communication, allowing users to call, message, and meet from a single interface. It supports team messaging, video conferencing with screen sharing, and HD calling. Integrations with other business apps streamline workflows.

**Highlights:** Team messaging, Video meetings with screen sharing, HD calling, Single business number for calls, SMS, and fax, App integrations, File and task management

**Features:** macOS Compatibility, Siri integration, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is BT Cloud Work free?

BT Cloud Work is free to download, with no in-app purchases.

### Is Avaya Cloud Office free?

Avaya Cloud Office is free to download, with no in-app purchases.

### Which has better reviews, BT Cloud Work or Avaya Cloud Office?

Avaya Cloud Office is rated higher. BT Cloud Work averages 3.0 out of 5 from 2 ratings, while Avaya Cloud Office averages 4.2 from 66 ratings.

### Do BT Cloud Work or Avaya Cloud Office have ads?

Neither BT Cloud Work nor Avaya Cloud Office shows ads.

### Which is updated more often, BT Cloud Work or Avaya Cloud Office?

BT Cloud Work ships an update every 3 months, and Avaya Cloud Office every 3 months. Most recently, BT Cloud Work was updated on September 17, 2026 and Avaya Cloud Office on September 20, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*