{"slug":"simplisafe-vs-adt","question":"SimpliSafe vs ADT","answer":"SimpliSafe is a DIY, contract-free security system starting at $15/month with professional monitoring, while ADT is a professionally installed system with 24/7 monitoring starting at $28.99/month and requiring long-term contracts. SimpliSafe offers flexibility and lower upfront costs; ADT provides comprehensive professional service and brand recognition.","answer_curated":true,"verdict":"Choose SimpliSafe if you want flexibility, lower monthly costs, no long-term commitment, and prefer DIY installation with quick setup. Choose ADT if you want professional installation included, don't mind contracts, prefer dealing with an established 80+ year brand, and value direct technician support for complex setups.","keyDifferences":[{"label":"Installation Type","winner":"a","entityAValue":"DIY (self-installed in 30-60 minutes)","entityBValue":"Professional installation by ADT technicians"},{"label":"Monthly Monitoring Cost (Base)","winner":"a","entityAValue":"$15.99/month","entityBValue":"$28.99/month"},{"label":"Contract Length","winner":"a","entityAValue":"No contract (month-to-month)","entityBValue":"3-5 year contract required"},{"label":"Equipment Cost","winner":"b","entityAValue":"$299-$499 upfront","entityBValue":"$0-$200 (often waived with contract)"},{"label":"24/7 Professional Monitoring","winner":"tie","entityAValue":"Yes (UL-certified)","entityBValue":"Yes (UL-certified, established 1942)"}],"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":"Which system is cheaper overall?","answer":"SimpliSafe costs less monthly ($15.99 vs $28.99), but you pay $299-$499 upfront for equipment. Over 3 years, SimpliSafe costs roughly $874 total, while ADT with a 3-year contract averages $1,040+ depending on equipment deals. SimpliSafe wins for budget-conscious users; ADT wins if you want $0 upfront equipment."},{"question":"Can I cancel SimpliSafe or ADT anytime?","answer":"SimpliSafe has no contract—cancel anytime. ADT requires a 3-5 year contract with early termination fees of $150-$500 if you cancel early. SimpliSafe offers complete flexibility; ADT locks you in."},{"question":"Is professional installation worth it?","answer":"SimpliSafe's DIY setup takes 30-60 minutes and uses clear instructions; most users complete it without issues. ADT's professional installation (2-4 hours) ensures optimal sensor placement and integration with smart home systems. DIY works well for standard homes; professional installation is better for complex layouts, large homes, or non-tech-savvy users."}],"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, contract-free security system starting at $15/month with professional monitoring, while ADT is a professionally installed system with 24/7 monitoring starting at $28.99/month and ","dateModified":"2026-06-15T01:40:36.978Z"},"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, contract-free security system starting at $15/month with professional monitoring, while ADT is a professionally installed system with 24/7 monitoring starting at $28.99/month and requiring long-term contracts. SimpliSafe offers flexibility and lower upfront costs; ADT provides comprehensive professional service and brand recognition.","datePublished":"2026-06-15T01:40:36.943Z","dateModified":"2026-06-15T01:40:36.978Z","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"}}}