# VoipSwitch PBX vs Chatham

The clearest difference is update cadence: VoipSwitch PBX at every 4 months against Chatham's every 13 months. 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.

VoipSwitch PBX ships an update every 4 months, Chatham every 13 months. The most recent releases landed on October 26, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | VoipSwitch PBX | Chatham |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/chatham/id1572975095/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 13 months |
| Monetization | — | Free |
| Size | 58 MB | 68 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Voiceserve Ltd](https://appshunter.io/developer/331290997) | [LCFTA LLC](https://appshunter.io/developer/1523006399) |

## What reviewers say

### VoipSwitch PBX

[App page](https://appshunter.io/ios/app/voipswitch-pbx/id1169562495)

**Features:** macOS Compatibility

**In-app purchases:** none


### Chatham

[App page](https://appshunter.io/ios/app/chatham/id1572975095)

Facilitates secure and private video meetings with a focus on user control and data privacy. Its minimal-knowledge architecture encrypts all communication streams and retains no identifying records.

**Highlights:** Secure video meetings, Private communication, Minimal-knowledge architecture, End-to-end encryption, User control over information, No communication records kept

**In-app purchases:** none


## Frequently asked questions

### Is VoipSwitch PBX free?

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

### Is Chatham free?

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

### Do VoipSwitch PBX or Chatham have ads?

Neither VoipSwitch PBX nor Chatham shows ads.

### Which is updated more often, VoipSwitch PBX or Chatham?

VoipSwitch PBX ships an update every 4 months, and Chatham every 13 months. Most recently, VoipSwitch PBX was updated on October 26, 2026 and Chatham 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.*