Some features in Reminder FLEX marked with a ★ are premium features.
Many of these premium features come with a free trial period.
Free users can use these features during the trial period.
Once the trial period ends, those features will automatically become unavailable.
Since these features are available without any subscription registration (no payment method such as a credit card is required), you will not be charged automatically.
If you would like to continue using these features after the trial ends, you can unlock them by upgrading to PRO.