# Secure VPN vs Greybox Tool

The clearest difference is rating: Secure VPN at 4.4 against Greybox Tool's 2.5. Secure VPN also leads on ratings volume (350 vs 2). Greybox Tool's advantage is in-app purchases (none vs 7) and ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Secure VPN sells 7 in-app purchases, starting at $3.99 per 7 days. Greybox Tool asks for nothing beyond the download.

Secure VPN holds the better App Store score, 4.4 against 2.5. That said, the two scores are not equally well evidenced: Secure VPN has 350 ratings behind it against 2, so its average is the more settled of the two.

Secure VPN ships an update every 10 days, Greybox Tool every 2 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Secure VPN | Greybox Tool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (350 ratings)](https://appshunter.io/ios/app/secure-vpn-private-and-fast/id1381226716/reviews)** | [2.5 (2 ratings)](https://appshunter.io/ios/app/greybox-tool/id6451376986/reviews) |
| Number of ratings | **350** | 2 |
| Positive reviews | 55.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 10 days** | Every 2 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 112 MB | 19 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [DUY KY TRADING PRODUCTION ONE MEMBER COMPANY LIMITED](https://appshunter.io/developer/964419067) | [Yunfeng Wei](https://appshunter.io/developer/6808345644) |

## What reviewers say

### Secure VPN

[App page](https://appshunter.io/ios/app/secure-vpn-private-and-fast/id1381226716)

This app offers a fast and secure VPN service to protect your online activity. It encrypts your connection, keeps your data safe on public Wi-Fi, and ensures privacy with a no-logs policy. Enjoy a simple, one-tap connection for enhanced online security.

**Highlights:** High-speed VPN servers, No registration required, AES-256 encryption, Strict no-logs policy, One-tap connection, Wi-Fi, LTE, 4G, 5G compatible

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $3.99 | per 7 days |
| Monthly | $7.99 | per month |
| Monthly | $9.99 | per month |
| 6 months | $49.99 | per 6 months |
| Yearly | $79.99 | per year |
| Yearly | $79.99 | per year |
| Remove ads | $1.99 | one-time |


### Greybox Tool

[App page](https://appshunter.io/ios/app/greybox-tool/id6451376986)

A utility for developers to understand ad network operations. It allows manual triggering of postbacks and viewing device identifiers for debugging and attribution tracing. Developers can also inspect SKAdNetwork requests and postback content.

**Highlights:** Manual postback triggering, View device identifiers (IDFA, IDFV), Inspect SKAdNetwork requests, Share debugging information, Analyze ad network processes

**In-app purchases:** none


## Frequently asked questions

### Is Secure VPN free?

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

### Is Greybox Tool free?

Greybox Tool is free to download, with no in-app purchases.

### Which has better reviews, Secure VPN or Greybox Tool?

Secure VPN is rated higher. Secure VPN averages 4.4 out of 5 from 350 ratings, while Greybox Tool averages 2.5 from 2 ratings.

### Do Secure VPN or Greybox Tool have ads?

Secure VPN shows ads; Greybox Tool does not.

### Which is updated more often, Secure VPN or Greybox Tool?

Secure VPN ships an update every 10 days, and Greybox Tool every 2 weeks. Most recently, Secure VPN was updated on November 2, 2026 and Greybox Tool on November 3, 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.*