S.I.Mes (silence Message) vs VoipSwitch PBX
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
S.I.Mes (silence Message)
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When the situation that can not be talking, S.I.Mes allows you to communicate with a message on the display. It's easy to use! Use up to you! - During the meeting, when you want to convey a message to the next person. - In places that are difficult to talking, when you want to convey a message to the other party.
VoipSwitch PBX
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This app must be registered to VoipSwitch telephony system. All users must already have an account to use the softphone. The VoipSwitch PBX softphone turns your iOS device into a full-featured VoIP phone in our Voip telephony system. The app connects your iOS device to your office phone system and enables you to make and receive calls from your office extension as well as easily transfer calls. - Secure encrypted calls - Company directory - Voicemail - Instant messaging - Office Extension Dialing - File sharing VoipSwitch PBX is a VoIP service provider that is focused on offering high quality, scalable, and cost efficient telecommunication solutions. The company is utilizing its proprietary solutions to enable our client to use secure and reliable VoIP-based services which are fully interoperable with other established VoIP standards and systems.
Screenshots
Verdict
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.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
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.
| Parameter | S.I.Mes (silence Message) | VoipSwitch PBX |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks โ better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 7.0 โ better | 12.0 |
| Further details โ not scored | ||
| Size | 2 MB | 58 MB |
| Age rating | 4+ | 4+ |
| Developer | Looped Picture Company | Voiceserve Ltd |
In-app purchases
S.I.Mes (silence Message)
No in-app purchases
VoipSwitch PBX
No in-app purchases







