Last updated: January 4, 2026
These subject lines are ideal for prompting users to upgrade their current plans or products.
Use to create a sense of urgency about upgrading.
Highlight the advantages of upgrading to entice users.
Encourage curiosity about what’s included in the upgrade.
Speak directly to user needs for a personalized touch.
Leverage user stories to motivate upgrades.
Gently remind users about the option to upgrade.