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All program prices are based on a yearly subscription, no automatic renewal. Each mobile app’s subscription can be used on both android and ios devices simultaneously.

If you are a school district or other tax exempt organization, please e mail me at drtbusto@aol.com with your entity’s official purchase order or other documentation (e.g. payment voucher, contract of sale, Form AC 946, Tax Exemption Certificate, Form ST-129, etc.) which indicates that the purchaser is a governmental entity. I will then send you an invoice excluding tax.