A recent SafeWise 2026 cost roundup pegs monitoring at $21.99 to $80.00 per month and SimpliSafe packages at $250 to $730, which matches how most shoppers experience the “cheap monthly plan” story once hardware is included. How Much Does SimpliSafe Cost Monthly? SimpliSafe Without a Monthly PlanYou can run SimpliSafe without paying a monthly fee. Answers to Common QuestionsCan you cancel SimpliSafe monitoring at any time? The Base Station can use cellular when Wi-Fi fails, but that cellular path is tied to professional monitoring tiers.