Why free VPNs are not automatically free
A VPN service costs money to operate. Servers, bandwidth, software maintenance, support, monitoring, and payment systems all have real costs.
If a VPN is free, users should ask how the service is funded, what limits exist, and what tradeoffs are being made.
What a subscription pays for
A subscription can fund server capacity, product updates, customer support, release management, and a clearer service relationship between the user and provider.
The tradeoff is obvious: the user pays directly. The benefit is that the business model does not have to be hidden inside advertising, resale, or unclear data practices.
What to compare
Clear pricing. Trial period. Data limits. Refund policy. Official downloads. Published checksums. Privacy policy. Support channel.