First-order effects

• Existing and new users now choose between just three plans — Free, Mail Plus, and Unlimited — replacing whatever per-product pricing existed before, so a subscriber's decision collapses from 'which apps do I pay for' to 'which tier am I.'
• The VPN moves from a standalone side product to a headline component of the Unlimited bundle, changing how Proton markets its highest-priced plan.

Second-order effects

• The unified tiers create classic bundle cannibalization pressure inside Proton's own lineup: anyone paying separately for both mail and VPN has an obvious incentive to consolidate onto Unlimited, trading per-product revenue for retention.
• Rival privacy-tool vendors that sell email or VPN as standalone subscriptions now compete against a Swiss suite whose pitch is one subscription covering all of it, pushing them toward their own bundling or deeper discounting.

Third-order effects

• If the pattern holds, privacy software consolidates from best-of-breed point tools into multi-product suites sold on a single trust relationship — the vendor's jurisdiction and encryption track record become the differentiator, not any individual app.
• Tiered bundles also make the free tier a strategic funnel rather than a courtesy: Free exists to seed the ecosystem, with each added product raising the perceived value of upgrading to Mail Plus or Unlimited.