In today’s digital age, the importance of online privacy and security cannot be overstated. Whether you’re browsing the web on an iPhone, using social media on Android, or handling sensitive documents on a Windows or Mac computer, protecting your data is essential. Virtual Private Networks (VPNs) offer a reliable solution, encrypting your internet traffic and masking your IP address. Among the many available options, Proton VPN has made a name for itself as a trustworthy and privacy-focused solution. However, it’s not the only one. If you’re looking for a free VPN like Proton VPN that works across platforms, several impressive alternatives are worth exploring.
Why You Need a Cross-Platform Free VPN
A cross-platform VPN ensures seamless protection whether you’re switching from desktop to mobile or between operating systems. With cyber threats becoming increasingly sophisticated, having encrypted access regardless of your device provides peace of mind. Free VPNs might come with some limitations, but many still offer solid performance, a no-logs policy, and multi-platform compatibility.
Top Free VPNs for iPhone, Android, Windows, and Mac
Here are some of the best free cross-platform VPNs available today that are comparable to Proton VPN in terms of privacy and performance:
1. Windscribe
Supported Platforms: iOS, Android, Windows, macOS, Linux, browser extensions
Windscribe is a highly rated VPN praised for its strong encryption, generous bandwidth allowance (10GB/month with email confirmation), and support for a wide range of devices. The service offers a straightforward interface and an ad blocker as part of its free package.

Features:
- Up to 10 server locations on the free plan
- No identifying logs kept
- Firewall and Secure Hotspot features
2. TunnelBear
Supported Platforms: iOS, Android, Windows, macOS, browser extensions
Known for its user-friendly design and bear-themed branding, TunnelBear offers 500MB of free data monthly — enough for occasional browsing and checking emails while on public Wi-Fi. While the data is limited, its strong privacy policies and transparent operations make it worth considering.
Features:
- Strong AES-256 encryption
- Easy-to-use and beginner-friendly
- No-logs policy backed by independent security audits
3. Hide.me
Supported Platforms: iOS, Android, Windows, macOS, Linux, and routers
Hide.me provides robust privacy features and supports five locations in the free version with no speed throttling. A major highlight is that it offers up to 10GB of data per month with a strict no-logs policy. You also get access to all of its standard security features.

Features:
- Supports IKEv2, OpenVPN, and WireGuard protocols
- 10GB per month of free premium-quality access
- Kill switch and split tunneling
4. Atlas VPN
Supported Platforms: iOS, Android, Windows, macOS
Atlas VPN is a newer player in the VPN space but offers a solid free plan with unlimited bandwidth on three server locations. It is primarily designed for simplicity and speed, making it an ideal choice for casual users on both desktop and mobile platforms.
Features:
- WireGuard protocol for faster speeds
- No-logs policy with solid encryption
- User-friendly interface with essential features
Choosing the Right VPN for You
When selecting a free VPN, there are several important factors to consider:
- Privacy Policy: Look for services that clearly state they don’t log your personal data or browsing activities.
- Data Limitations: Some VPNs offer only a few hundred MBs of bandwidth, which may not be sufficient for regular use.
- Platform Compatibility: Cross-platform functionality is critical if you switch between devices often.
- Ease of Use: A clean, functional interface can make your VPN experience much more pleasant.
Final Thoughts
Free VPNs that function across iPhone, Android, Windows, and Mac can serve as an effective first layer of privacy for users unwilling or unable to commit to a paid plan. While they come with trade-offs like limited bandwidth or fewer server options, they still offer meaningful protection against snoopers, hackers, and ISP tracking. Providers like Windscribe, TunnelBear, Hide.me, and Atlas VPN offer trustworthy alternatives to Proton VPN, catching the balance between usability and security.

For users serious about long-term digital privacy, a paid VPN with unlimited bandwidth and advanced features may eventually become necessary. However, for everyday needs, these free VPNs provide a competent and secure solution across all major platforms.