PrivateWave Professional vs GSMKEY
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PrivateWave Professional
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.
- 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
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PrivateWave Professional is an innovative software to encrypt your calls in a totally safe and legal way through the VoIP Internet Protocol. It needs to be configured on your own PrivateServer or it can auto-configure itself on PrivateWave's hosted server. Once installed on mobile phones, PrivateWave Professional gives you the option to encrypt calls between the users (i.e both caller and called need to have the software installed). Using PrivateWave you can communicate easily and securely with your contacts. Please keep in mind that there is no way to call numbers on a public switched telephone network (PSTN). Easy to use: - Software only solution for iOS 11.x/12.x/13.x/14.x/15.x/16.x - The way to make calls doesn’t change Security: - Flexible security model: - ZRTP for end-to-end voice encryption - SIP/TLS for signaling protection - Use of only IETF standardized protocols - Security compliant with FIPS, NIST and NSA - Mutual Authentication with X.509 certificates - SSL Certificate Pinning - Based on open source technologies Performance: - Low average Bandwith: * in standby: negligible * during conversation: (100-200 K/minute) - International calls and worldwide roaming - Extremely low battery drain - Low latency (depends on network) Supported Networks: - Any IP-enabled network - 2G (GPRS, EDGE, 1xRTT) - 3G (UMTS, HSDPA, EV-DO) - 4G - WiFi - Satellite Encryption Algorithms: - ECDH 256 bit / 384 bit (default) / 521 bit (Elliptic Curve Diffie-Hellman) - AES256 (CTR) for SRTP - SIP/TLS with X509v3 digital certificates Audio Codec: - AMR Narrowband 4.75 kbits/s
GSMKEY
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.
- Remote gate and door control via SMS
- Device parameter configuration
- SMS command sending
- Compatibility with GSM-KEY products
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GSM-KEY is used for the remote control of electric gate and automatic door by sending SMS text messages. Also used to config the parameters of the GSM-KEY device remotely. Compatible with WAFER 's GSM-KEY-AC and GSM-KEY-DC products series.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | PrivateWave Professional | GSMKEY |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (3 ratings) — better | 3.0 (1 ratings) |
| Positive reviews | 33.3% of reviews | 33.3% of reviews |
| Number of ratings | 3 — better | 1 |
| Update frequency | Every 5 weeks — better | Every 8 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 11.0 | 6.0 — better |
| Further details — not scored | ||
| Size | 28 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | BV TECH SPA | 艳丽 刘 |
Customer experience
PrivateWave Professional
GSMKEY
In-app purchases
PrivateWave Professional
No in-app purchases
GSMKEY
No in-app purchases
Questions
Is PrivateWave Professional free?
Is GSMKEY free?
Which has better reviews, PrivateWave Professional or GSMKEY?
Do PrivateWave Professional or GSMKEY have ads?
Which is updated more often, PrivateWave Professional or GSMKEY?
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