# BT OnePhone SoftPhone vs Catalyst

The clearest difference is iOS requirement: Catalyst at 12.0 against BT OnePhone SoftPhone's 15.0. 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.

BT OnePhone SoftPhone ships an update every 7 months, Catalyst every 11 months. The most recent releases landed on October 14, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | BT OnePhone SoftPhone | Catalyst |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/bt-onephone-softphone/id1300204051/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 11 months |
| Monetization | Free | — |
| Size | 105 MB | 38 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [BT OnePhone Ltd](https://appshunter.io/developer/903053401) | [Go M.A.D. Limited](https://appshunter.io/developer/1638741866) |

## What reviewers say

### BT OnePhone SoftPhone

[App page](https://appshunter.io/ios/app/bt-onephone-softphone/id1300204051)

This application unifies your office and mobile communication into a single hosted service. It enables seamless call routing to your mobile or softphone, offering flexibility for use anywhere. Manage your business calls efficiently from your preferred device.

**Highlights:** Unified communication service, Fixed line and mobile integration, Single hosted service, Flexible call routing, Office and mobile number access

**Features:** macOS Compatibility, Siri integration

**In-app purchases:** none


### Catalyst

[App page](https://appshunter.io/ios/app/catalyst-team-performance/id1663783451)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BT OnePhone SoftPhone free?

BT OnePhone SoftPhone is free to download, with no in-app purchases.

### Is Catalyst free?

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

### Do BT OnePhone SoftPhone or Catalyst have ads?

Neither BT OnePhone SoftPhone nor Catalyst shows ads.

### Which is updated more often, BT OnePhone SoftPhone or Catalyst?

BT OnePhone SoftPhone ships an update every 7 months, and Catalyst every 11 months. Most recently, BT OnePhone SoftPhone was updated on October 14, 2026 and Catalyst on October 19, 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.*