# PrivateWave Professional vs GSMKEY

The clearest difference is rating: PrivateWave Professional at 3.7 against GSMKEY's 3.0. PrivateWave Professional also leads on update cadence (every 5 weeks vs every 8 months) and ratings volume (3 vs 1). GSMKEY's advantage is iOS requirement (6.0 vs 11.0). On price, review sentiment, 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.

PrivateWave Professional holds the better App Store score, 3.7 against 3.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews split almost evenly too, at 33% and 33% positive.

PrivateWave Professional ships an update every 5 weeks, GSMKEY every 8 months. The most recent releases landed on September 22, 2026 and June 10, 2026 respectively.

## The numbers

| Metric | PrivateWave Professional | GSMKEY |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/privatewave-professional/id401908184/reviews)** | [3.0 (1 ratings)](https://appshunter.io/ios/app/gsmkey/id595251747/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | 33.3% of reviews | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 8 months |
| Monetization | Free | Free |
| Size | 28 MB | 3 MB |
| Requires iOS | 11.0 | **6.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BV TECH SPA](https://appshunter.io/developer/1787905127) | [艳丽 刘](https://appshunter.io/developer/595252190) |

## What reviewers say

### PrivateWave Professional

[App page](https://appshunter.io/ios/app/privatewave-professional/id401908184)

Securely encrypt your calls using VoIP technology. This app allows for encrypted communication between users who also have the software installed, offering robust security features and low bandwidth usage. It is designed for business and personal use where call privacy is paramount.

**Highlights:** End-to-end voice encryption (ZRTP), Signaling protection (SIP/TLS), Mutual authentication with X.509 certificates, Low bandwidth usage, Extremely low battery drain, Supports various IP-enabled networks

**In-app purchases:** none


### GSMKEY

[App page](https://appshunter.io/ios/app/gsmkey/id595251747)

Control electric gates and automatic doors remotely by sending SMS commands. This application also allows for the configuration of device parameters. It is compatible with specific GSM-KEY products.

**Highlights:** Remote gate and door control via SMS, Device parameter configuration, SMS command sending, Compatibility with GSM-KEY products

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PrivateWave Professional free?

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

### Is GSMKEY free?

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

### Which has better reviews, PrivateWave Professional or GSMKEY?

PrivateWave Professional is rated higher. PrivateWave Professional averages 3.7 out of 5 from 3 ratings, while GSMKEY averages 3.0 from 1 ratings.

### Do PrivateWave Professional or GSMKEY have ads?

Neither PrivateWave Professional nor GSMKEY shows ads.

### Which is updated more often, PrivateWave Professional or GSMKEY?

PrivateWave Professional ships an update every 5 weeks, and GSMKEY every 8 months. Most recently, PrivateWave Professional was updated on September 22, 2026 and GSMKEY on June 10, 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.*