{"slug":"simplisafe-vs-adt)","question":"SimpliSafe vs ADT","answer":"SimpliSafe is a DIY, self-monitored security system with no contracts starting at $14.99/month, while ADT is a professional monitoring service with installation fees and 3-year contracts starting at $28.99/month. SimpliSafe prioritizes affordability and flexibility; ADT prioritizes professional monitoring and established infrastructure.","answer_curated":true,"verdict":"Choose SimpliSafe if you want maximum flexibility, lower costs, and don't mind self-monitoring or optional professional monitoring. Choose ADT if you prefer the peace of mind of always-included professional 24/7 monitoring and value an established brand with historical reliability, despite higher costs and contract commitments.","keyDifferences":[{"label":"Monthly Monitoring Cost","winner":"a","entityAValue":"$14.99-$24.99","entityBValue":"$28.99-$55+"},{"label":"Contract Requirement","winner":"a","entityAValue":"No contract (month-to-month)","entityBValue":"3-year contract required"},{"label":"Installation Type","winner":"a","entityAValue":"DIY (15-30 minutes)","entityBValue":"Professional installation (2-4 hours)"},{"label":"Installation Cost","winner":"a","entityAValue":"$0-99","entityBValue":"$99-199"},{"label":"Professional Monitoring","winner":"b","entityAValue":"Optional add-on ($14.99/month)","entityBValue":"Always included"}],"winner":{"slug":"simplisafe","name":"SimpliSafe"},"confidence":"high","entities":[{"name":"SimpliSafe","slug":"simplisafe","url":"https://www.aversusb.net/entity/simplisafe","alternativesUrl":"https://www.aversusb.net/api/v1/alternatives/simplisafe"},{"name":"ADT","slug":"adt","url":"https://www.aversusb.net/entity/adt","alternativesUrl":"https://www.aversusb.net/api/v1/alternatives/adt"}],"faqs":[{"question":"Do I have to sign a long-term contract with SimpliSafe?","answer":"No. SimpliSafe operates on month-to-month billing with no long-term contracts. You can cancel anytime without penalties. ADT requires a 3-year contract with early termination fees of $99-$300+."},{"question":"Can I monitor my SimpliSafe system myself instead of paying for professional monitoring?","answer":"Yes. SimpliSafe's self-monitoring option starts at $14.99/month and sends alerts directly to your phone via the mobile app. You respond to alerts and contact emergency services if needed. Professional monitoring is optional for an additional $14.99/month if you prefer 24/7 operator response."},{"question":"Is professional installation required for either system?","answer":"SimpliSafe is DIY-only; installation takes 15-30 minutes and requires no technician. ADT includes professional installation (2-4 hours) as standard, which adds $99-199 to upfront costs but ensures proper configuration."}],"attribution":{"source":"A Versus B","url":"https://www.aversusb.net/compare/simplisafe-vs-adt)","license":"CC BY 4.0","citationFormat":"According to A Versus B (https://www.aversusb.net/compare/simplisafe-vs-adt)), SimpliSafe is a DIY, self-monitored security system with no contracts starting at $14.99/month, while ADT is a professional monitoring service with installation fees and 3-year contracts starting at $","dateModified":"2026-07-06T13:35:52.489Z"},"relatedQuestionsUrl":"https://www.aversusb.net/api/faq/simplisafe-vs-adt)","relatedComparisonsUrl":"https://www.aversusb.net/api/v1/related/simplisafe-vs-adt)","knowledgeGraphUrl":"https://www.aversusb.net/api/knowledge-graph/simplisafe-vs-adt)","claimReviewSchema":{"@context":"https://schema.org","@type":"ClaimReview","@id":"https://www.aversusb.net/compare/simplisafe-vs-adt)#claimreview","url":"https://www.aversusb.net/compare/simplisafe-vs-adt)","inLanguage":"en-US","isAccessibleForFree":true,"conditionsOfAccess":"Free","claimReviewed":"SimpliSafe vs ADT","reviewBody":"SimpliSafe is a DIY, self-monitored security system with no contracts starting at $14.99/month, while ADT is a professional monitoring service with installation fees and 3-year contracts starting at $28.99/month. SimpliSafe prioritizes affordability and flexibility; ADT prioritizes professional monitoring and established infrastructure.","datePublished":"2026-07-06T13:35:52.433Z","dateModified":"2026-07-06T13:35:52.489Z","reviewRating":{"@type":"Rating","ratingValue":5,"worstRating":1,"bestRating":5,"alternateName":"High Confidence"},"author":{"@type":"Organization","@id":"https://www.aversusb.net/#organization","name":"A Versus B","url":"https://www.aversusb.net"},"itemReviewed":{"@type":"WebPage","@id":"https://www.aversusb.net/compare/simplisafe-vs-adt)","url":"https://www.aversusb.net/compare/simplisafe-vs-adt)","name":"SimpliSafe vs ADT","inLanguage":"en-US"}}}