# VPN Tunnel Proxy vs Erebus Solar

The clearest difference is in-app purchases: Erebus Solar at none against VPN Tunnel Proxy's 4. Erebus Solar also leads on ads (none vs shown) and update cadence (every 2 weeks vs every 5 weeks). VPN Tunnel Proxy's advantage is rating (4.1 vs 3.7) and ratings volume (98 vs 3). On price and iOS requirement there is nothing between them.

Both are free to download. VPN Tunnel Proxy sells 4 in-app purchases, starting at $2.99 per 7 days. Erebus Solar asks for nothing beyond the download.

VPN Tunnel Proxy holds the better App Store score, 4.1 against 3.7. That said, the two scores are not equally well evidenced: VPN Tunnel Proxy has 98 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 9% of VPN Tunnel Proxy's written reviews are positive against 0% of Erebus Solar's.

VPN Tunnel Proxy ships an update every 5 weeks, Erebus Solar every 2 weeks. The most recent releases landed on October 16, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | VPN Tunnel Proxy | Erebus Solar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (98 ratings)](https://appshunter.io/ios/app/vpn-tunnel-proxy-mastervpn/id6458531029/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/erebus-solar/id6790828521/reviews) |
| Number of ratings | **98** | 3 |
| Positive reviews | **9.1% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 30 MB | 19 MB |
| Requires iOS | **16.2** | 17.0 |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Mind Spark Solution](https://appshunter.io/developer/1698089787) | [Todd Evans](https://appshunter.io/developer/6790828523) |

## What reviewers say

### VPN Tunnel Proxy

[App page](https://appshunter.io/ios/app/vpn-tunnel-proxy-mastervpn/id6458531029)

Safeguard your digital life with this app, ensuring your data remains confidential and online activities are hidden. Connect to a global network of high-speed servers with a single tap for anonymous browsing and enhanced privacy.

**Highlights:** Global server network, Anonymous browsing, One-tap connection, 24/7 customer support, Online privacy and security

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade Premium Version | $2.99 | per 7 days |
| VPN Pro - Unlock All Server | $7.99 | per 7 days |
| VPN Pro - Unlock All Server | $39.99 | per year |
| Upgrade For Lifetime | $29.99 | one-time |


### Erebus Solar

[App page](https://appshunter.io/ios/app/erebus-solar/id6790828521)

This app helps solar professionals measure on-site shade using their phone's sensors. It generates horizon files compatible with leading PV design software, aiding in accurate solar production estimates.

**Highlights:** AR sun path visualization, Automatic sky capture, Sky Editor for obstruction tracing, Annual solar access analysis, PDF shade report export, Horizon file generation for design tools, Project organization by site

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

**In-app purchases:** none


## Frequently asked questions

### Is VPN Tunnel Proxy free?

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

### Is Erebus Solar free?

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

### Which has better reviews, VPN Tunnel Proxy or Erebus Solar?

VPN Tunnel Proxy is rated higher. VPN Tunnel Proxy averages 4.1 out of 5 from 98 ratings, while Erebus Solar averages 3.7 from 3 ratings.

### Do VPN Tunnel Proxy or Erebus Solar have ads?

VPN Tunnel Proxy shows ads; Erebus Solar does not.

### Which is updated more often, VPN Tunnel Proxy or Erebus Solar?

VPN Tunnel Proxy ships an update every 5 weeks, and Erebus Solar every 2 weeks. Most recently, VPN Tunnel Proxy was updated on October 16, 2026 and Erebus Solar on October 14, 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.*