# PrivateWave Professional vs KvantPhone

The clearest difference is in-app purchases: PrivateWave Professional at none against KvantPhone's 3. PrivateWave Professional also leads on iOS requirement (11.0 vs 16.0). KvantPhone's advantage is update cadence (every 2 weeks vs every 5 weeks). On price, ads and device support there is nothing between them.

Both are free to download. KvantPhone sells 3 in-app purchases, starting at $2.99 per month. PrivateWave Professional asks for nothing beyond the download.

PrivateWave Professional ships an update every 5 weeks, KvantPhone every 2 weeks. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | PrivateWave Professional | KvantPhone |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/privatewave-professional/id401908184/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 28 MB | 103 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [BV TECH SPA](https://appshunter.io/developer/1787905127) | [Arenim Infosec Kft.](https://appshunter.io/developer/1595599782) |

## 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


### KvantPhone

[App page](https://appshunter.io/ios/app/kvantphone/id1641683309)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic | $2.99 | per month |
| Ultimate | $3.99 | per month |
| 250 extra credit | $0.99 | one-time |


## Frequently asked questions

### Is PrivateWave Professional free?

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

### Is KvantPhone free?

KvantPhone is free to download, with in-app purchases available.

### Do PrivateWave Professional or KvantPhone have ads?

Neither PrivateWave Professional nor KvantPhone shows ads.

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

PrivateWave Professional ships an update every 5 weeks, and KvantPhone every 2 weeks. Most recently, PrivateWave Professional was updated on November 1, 2026 and KvantPhone on October 30, 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.*