I am writing to suggest a more flexible subscription model for Proton Mail services.

Currently, the gap between individual "Plus" plans and the "Unlimited" tier is quite large. The Unlimited plan includes many features that I do not necessarily need, which makes the upgrade path feel inefficient for users with specific requirements.

I would like to propose a "Menu-style" or modular approach where users can add specific services to their existing plans at a discounted bundled rate.

For example, as a current Proton Pass Plus user ($2.99/mo), I would love the option to add Mail Plus ($3.99/mo) features for a total of $6.98/mo, rather than being forced to jump to the full Unlimited plan at $9.99/mo.

Allowing users to customize their own bundles would likely:
1. Increase Proton's Average Revenue Per User (ARPU) by capturing those who find the current Plus plans too limited but the Unlimited plan too expensive.
2. Improve user retention by providing a personalized experience.
3. Attract a broader audience who only needs a lighter combination of Proton’s ecosystem.

Thank you for considering this feedback. I love the Proton ecosystem and would appreciate more flexibility in how I can support and use your services.