# S.I.Mes (silence Message) vs VoipSwitch PBX

The clearest difference is update cadence: S.I.Mes (silence Message) at every 6 weeks against VoipSwitch PBX's every 4 months. S.I.Mes (silence Message) also leads on iOS requirement (7.0 vs 12.0). 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.

S.I.Mes (silence Message) ships an update every 6 weeks, VoipSwitch PBX every 4 months. The most recent releases landed on November 1, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | S.I.Mes (silence Message) | VoipSwitch PBX |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 4 months |
| Size | 2 MB | 58 MB |
| Requires iOS | **7.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Looped Picture Company](https://appshunter.io/developer/329729606) | [Voiceserve Ltd](https://appshunter.io/developer/331290997) |

## What reviewers say

### S.I.Mes (silence Message)

[App page](https://appshunter.io/ios/app/simes-silence-message/id669306985)

**Features:** macOS Compatibility

**In-app purchases:** none


### VoipSwitch PBX

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is S.I.Mes (silence Message) free?

S.I.Mes (silence Message) is free to download, with no in-app purchases.

### Is VoipSwitch PBX free?

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

### Do S.I.Mes (silence Message) or VoipSwitch PBX have ads?

Neither S.I.Mes (silence Message) nor VoipSwitch PBX shows ads.

### Which is updated more often, S.I.Mes (silence Message) or VoipSwitch PBX?

S.I.Mes (silence Message) ships an update every 6 weeks, and VoipSwitch PBX every 4 months. Most recently, S.I.Mes (silence Message) was updated on November 1, 2026 and VoipSwitch PBX on October 26, 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.*