# b vs Fast CDS

The clearest difference is update cadence: Fast CDS at every 6 days against b's every 2 weeks. b's advantage is iOS requirement (13.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

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

b ships an update every 2 weeks, Fast CDS every 6 days. The most recent releases landed on October 20, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | b | Fast CDS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.9 (68 ratings)](https://appshunter.io/ios/app/b-hive-mobile/id1567625340/reviews)** | — |
| Number of ratings | **68** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 6 days** |
| Monetization | Freemium | — |
| Size | 96 MB | 27 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Broadvoice](https://appshunter.io/developer/959123142) | [Majid Mushtaq](https://appshunter.io/developer/6791322903) |

## What reviewers say

### b

[App page](https://appshunter.io/ios/app/b-hive-mobile/id1567625340)

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.

**Highlights:** Unified communication management, Voice calling and softphone, Video conferencing up to 50 participants, SMS and group chat, Visual voicemail, Virtual fax, HIPAA compliant

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

**In-app purchases:** none

**What reviewers like**

- 👍 Great tool for business communications
- 👍 User-friendly interface
- 👍 Easy to use
- 👍 Reliable technology
- 👍 Strong mobile app

**What reviewers complain about**

- 🐛 App never works
- 🐛 App won't open
- 🐛 Unreliable app
- 🐛 One-way texting
- 🐛 Phones don't work

**Reported bugs**

- App never works
- App won't open on new iPhone
- App is unreliable
- One-way texting
- Phones don't work

**Requested features**

- Option to zoom in or enlarge font
- Ability to transfer calls to coworkers
- Ability to park calls
- Fix notification badge issues
- Custom contacts list


### Fast CDS

[App page](https://appshunter.io/ios/app/fast-cds/id6792009999)

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

**In-app purchases:** none


## Frequently asked questions

### Is b free?

b is free to download, with no in-app purchases.

### Is Fast CDS free?

Fast CDS is free to download, with no in-app purchases.

### Do b or Fast CDS have ads?

Neither b nor Fast CDS shows ads.

### Which is updated more often, b or Fast CDS?

b ships an update every 2 weeks, and Fast CDS every 6 days. Most recently, b was updated on October 20, 2026 and Fast CDS on September 30, 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.*