# Netsipp Softphone vs TSRST Lab

The clearest difference is update cadence: TSRST Lab at every 2 weeks against Netsipp Softphone's every 2 months. TSRST Lab also leads on iOS requirement (13.4 vs 16.0). 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.

Netsipp Softphone ships an update every 2 months, TSRST Lab every 2 weeks. The most recent releases landed on October 14, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Netsipp Softphone | TSRST Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/netsipp-softphone/id1668104428/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 115 MB | 25 MB |
| Requires iOS | 16.0 | **13.4** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [NETGSM ILETISIM VE BILGI TEKNOLOJILERI ANONIM SIRKETI](https://appshunter.io/developer/577362796) | [Bayram Guler](https://appshunter.io/developer/1733337894) |

## What reviewers say

### Netsipp Softphone

[App page](https://appshunter.io/ios/app/netsipp-softphone/id1668104428)

This mobile app enables VoIP calls for Netgsm subscribers and Netsantral users directly from your smartphone. It supports various codecs and offers features like call history and phonebook access.

**Highlights:** VoIP service for Netgsm subscribers, SIP-based softphone, Supports G.711µ/a, GSM codecs, Access phone contacts, Call history log, Call management features (hold, mute, transfer)

**Features:** Vision Pro support

**In-app purchases:** none


### TSRST Lab

[App page](https://appshunter.io/ios/app/tsrst-lab/id6670761403)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Netsipp Softphone free?

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

### Is TSRST Lab free?

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

### Do Netsipp Softphone or TSRST Lab have ads?

Neither Netsipp Softphone nor TSRST Lab shows ads.

### Which is updated more often, Netsipp Softphone or TSRST Lab?

Netsipp Softphone ships an update every 2 months, and TSRST Lab every 2 weeks. Most recently, Netsipp Softphone was updated on October 14, 2026 and TSRST Lab on September 28, 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.*