# Private VPN Proxy vs Linear System Solver

The clearest difference is price: Private VPN Proxy at Free against Linear System Solver's $0.99. Private VPN Proxy also leads on chart position (#102 vs unranked). Linear System Solver's advantage is in-app purchases (none vs 7) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Private VPN Proxy is free to download; Linear System Solver costs $0.99 up front. Private VPN Proxy sells 7 in-app purchases, starting at $4.99 per 7 days. Linear System Solver asks for nothing beyond the download.

Private VPN Proxy ships an update monthly, Linear System Solver every 3 days. The most recent releases landed on October 11, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Private VPN Proxy | Linear System Solver |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.1 (944 ratings)](https://appshunter.io/ios/app/private-vpn-proxy-easy-start/id1612822001/reviews)** | — |
| Number of ratings | **944** | — |
| Positive reviews | 77.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#102** | — |
| Size | 41 MB | 1 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Volkun Apps](https://appshunter.io/developer/1698103663) | [Luigi Fonti](https://appshunter.io/developer/360904185) |

## What reviewers say

### Private VPN Proxy

[App page](https://appshunter.io/ios/app/private-vpn-proxy-easy-start/id1612822001)

**Currently charting:** #102 Top Free · Productivity, #140 Top Grossing · Productivity (US App Store)

Secure your online activity with a VPN that masks your IP address for anonymous browsing. Protect your private data on public Wi-Fi and encrypt your traffic from your ISP. Enjoy limitless data and time with fast servers for streaming.

**Highlights:** Masks IP address for anonymity, Protects data on public Wi-Fi, High-level encryption (IKEV2), One-tap connect, Strict no-log policy, Limitless data and time, Supports multiple devices

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly VPN Subscription | $4.99 | per 7 days |
| 1 Week | $9.99 | per 7 days |
| Monthly VPN Subscription | $11.99 | per month |
| 1 Month Subscription | $11.99 | per month |
| 1 Month | $24.99 | per month |
| 1 Year subscription | $79.99 | per year |
| 1 Year subscription | $89.99 | per year |

**What reviewers like**

- 🚀 Fast and efficient
- 🔒 Secure and private
- 👍 User-friendly
- 💡 Innovative features

**What reviewers complain about**

- 🐛 Occasional bugs and glitches
- 💰 Paid subscription required for full functionality
- 🔋 High battery consumption

**Reported bugs**

- Login issues
- Crashes and freezes
- Subscription cancellation problems

**Requested features**

- More free features
- Improved compatibility with older devices
- Better customer support


### Linear System Solver

[App page](https://appshunter.io/ios/app/linear-system-solver/id6469396751)

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

**In-app purchases:** none


## Frequently asked questions

### Is Private VPN Proxy free?

Private VPN Proxy is free to download, with in-app purchases available.

### Is Linear System Solver free?

Linear System Solver costs $0.99, with no in-app purchases.

### Do Private VPN Proxy or Linear System Solver have ads?

Private VPN Proxy shows ads; Linear System Solver does not.

### Which is updated more often, Private VPN Proxy or Linear System Solver?

Private VPN Proxy ships an update monthly, and Linear System Solver every 3 days. Most recently, Private VPN Proxy was updated on October 11, 2026 and Linear System Solver 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.*