Is SparkChess subscription-based? Are there recurring charges?

SparkChess for Windows and Mac OS are not subscription-based and there are no recurrent charges for them.

SparkChess Premium Live is a subscription-based service that lets you play the full version of SparkChess in your browser. There are no automatic payments on SparkChess Premium Live. You buy a prepaid subscription for 1, 6 or 12 months.

At any time you have the option to extend that period with a new payment. Your card or PayPal account are not charged automatically, you never need to cancel the service. We believe this system is more honest and better protects your interests.