1. Security Level: Zoox offers different encryption levels, including 256-bit encryption, which is considered strong. Ensure that your needs require robust security, especially if you connect to specific domains or require secure connections.

2. Features: Look for hotlinking options if you need to connect to multiple servers or sites. Zoox may offer hotlinking, which isn't always present in other VPNs.

3. Ease of Use: The mobile app is designed to be user-friendly, but check if it includes features like hotlinking, two-factor authentication, or other tools that suit your needs.

4. Cost: Determine if Zoox offers a free plan or if paid plans are more cost-effective. Consider the balance between cost and features.

5. Support and Updates: Check if Zoox provides customer support and regularly updates their service for security. This will affect your convenience if issues arise.

6. Platform Compatibility: Ensure the mobile app works well with your devices, such as smartphones and tablets, for seamless usage.

7. Comparative Review: Look for reviews and comparisons with other VPN services like Tor, P2P, or free VPNs to find your best option.

8. Free Trials or Introductory Plans: Sign up for a free trial or introductory plan to assess the value and potential savings.

By evaluating these factors, you can make an informed decision about Zoox or another VPN service that best meets your needs.