Summary: Screen Charm adds "no sign-up" trial and 3-device limit

Why It Matters: The competitor is lowering the barrier to entry for new users while clarifying exactly how many computers one license covers. This makes it easier for people to try the app instantly.

What Changed:

• Added "No sign-up or credit card required" text under all "Start for Free" buttons.
• Added "Up to 3 devices" to the lifetime pricing plan details.
• Added "One-time purchase. Lifetime access. No subscriptions." to the pricing description.