I’ve been using their app on my phone for years. Handy. Though they recently made some changes to the payment model.
Purchased before 'apps' were widespread, sure the payment schedule was completed long ago. Preference remains to possess a tangible device; that doesn't collect spam calls to interrupt calculations. That's become the best feature of all!
Sincerely,
Toolmaker51
...we'll learn more by wandering than searching...
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