A monthly membership plan at Spy Fam will typically set you back $29.95, but if you sign up for a multi-month plan you can save up to 67%. There are 2 multi-month plans available for purchase. The first is a 3-month membership for $59.95. With this quarterly plan, you pay an average of $19.98 per month. The second option is a 1-year plan for $119.40. Purchase this plan and you’ll pay an average of $9.95 per month, a savings of $20.00 off the regular price.