# Ambit Client vs QSphere VPN

The clearest difference is update cadence: Ambit Client at every 3 weeks against QSphere VPN's every 3 months. Ambit Client also leads on iOS requirement (15.0 vs 18.5). 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.

Ambit Client ships an update every 3 weeks, QSphere VPN every 3 months. Both last shipped on October 12, 2026.

## The numbers

| Metric | Ambit Client | QSphere VPN |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/ambit-client/id6480317622/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free | — |
| Size | 71 MB | 21 MB |
| Requires iOS | **15.0** | 18.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Ambit, Inc](https://appshunter.io/developer/1496095048) | [QuantumGate](https://appshunter.io/developer/1822269112) |

## What reviewers say

### Ambit Client

[App page](https://appshunter.io/ios/app/ambit-client/id6480317622)

This VPN offers advanced security against future quantum computing threats by exclusively using CNSA 2.0 algorithms. It provides robust protection for sensitive business data, ensuring privacy and compliance in the evolving cyber landscape.

**Highlights:** Quantum-secure VPN, CNSA 2.0 algorithms, Post-quantum protection, VPP networking technology, Enterprise deployment

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### QSphere VPN

[App page](https://appshunter.io/ios/app/qsphere-vpn/id6748671363)

**In-app purchases:** none


## Frequently asked questions

### Is Ambit Client free?

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

### Is QSphere VPN free?

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

### Do Ambit Client or QSphere VPN have ads?

Neither Ambit Client nor QSphere VPN shows ads.

### Which is updated more often, Ambit Client or QSphere VPN?

Ambit Client ships an update every 3 weeks, and QSphere VPN every 3 months. Most recently, Ambit Client was updated on October 12, 2026 and QSphere VPN on October 12, 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.*