# Sunrise Cloud PBX vs Chess Cloud PBX

The clearest difference is iOS requirement: Sunrise Cloud PBX at 15.0 against Chess Cloud PBX's 18.0. 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.

Sunrise Cloud PBX ships an update every 2 months, Chess Cloud PBX every 3 months. The most recent releases landed on October 13, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Sunrise Cloud PBX | Chess Cloud PBX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/chess-cloud-pbx/id1478414865/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | — | Free |
| Size | 50 MB | 43 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sunrise UPC GmbH](https://appshunter.io/developer/393341289) | [Chess ICT Ltd](https://appshunter.io/developer/1478414864) |

## What reviewers say

### Sunrise Cloud PBX

[App page](https://appshunter.io/ios/app/sunrise-cloud-pbx/id1454234071)

**Features:** macOS Compatibility, Siri integration

**In-app purchases:** none


### Chess Cloud PBX

[App page](https://appshunter.io/ios/app/chess-cloud-pbx/id1478414865)

This communication app offers a flexible, scalable telephony solution for businesses. It allows users to manage office functions, join conferences, and seamlessly transfer calls between devices, enabling work from any location.

**Highlights:** Scalable pay-as-you-grow solution, Work from anywhere with any device, Office functions on the go, Dial into conferences remotely, Seamless call handover to desktop

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

**In-app purchases:** none


## Frequently asked questions

### Is Sunrise Cloud PBX free?

Sunrise Cloud PBX is free to download, with no in-app purchases.

### Is Chess Cloud PBX free?

Chess Cloud PBX is free to download, with no in-app purchases.

### Do Sunrise Cloud PBX or Chess Cloud PBX have ads?

Neither Sunrise Cloud PBX nor Chess Cloud PBX shows ads.

### Which is updated more often, Sunrise Cloud PBX or Chess Cloud PBX?

Sunrise Cloud PBX ships an update every 2 months, and Chess Cloud PBX every 3 months. Most recently, Sunrise Cloud PBX was updated on October 13, 2026 and Chess Cloud PBX on October 3, 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.*