London, UK · March 2026
“I took this before my GP appointment and it helped me describe what I was experiencing instead of just saying "I can't focus." My doctor said the summary was useful context.”
4.6 out of 550 reviews
Quotes from adults who completed the screener. Not medical advice.
Answers to the most common questions about online ADHD assessments, symptoms, and what to do next.
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DSM-5–informed screening; useful for organizing symptoms; only a clinician can diagnose.
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Our adult screener uses DSM-5-informed criteria to help you describe patterns that matter in daily life. Published validation studies for tools like this report sensitivity and specificity that vary by population, cutoff, and setting, so treat results as a starting point for conversation with a qualified professional, not proof of ADHD.
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Yes, 100% free. Email required so we can send your results.
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Our ADHD screener is completely free with no hidden costs. We ask for your email so we can send your score breakdown and next-step suggestions. There are no premium upgrades or subscriptions. Start the free screener.
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About five minutes for most adults.
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Our adult screener has 12 questions aligned with DSM-5-informed criteria. Most people finish in about five minutes. After you submit your email, we send your results and next steps.
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Inattention, hyperactivity, impulsivity, and executive-function challenges.
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The assessment looks at inattentive symptoms (e.g. focus, forgetfulness), hyperactive symptoms (e.g. restlessness), and impulsive symptoms, plus executive-function difficulties such as time management and organization.
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Yes: you can retake it to check for consistency.
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Many people retake the screener if they want a second pass or believe their first answers were off. Waiting a few days between attempts helps reduce response bias. More on our FAQ page.
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No account needed; just an email to send your results.
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No account needed. You enter an email so we can send your results after you finish, consistent with our Privacy Policy.
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Built for adults 18+; older teens may use it with guidance.
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The screener is intended for adults 18 and older. Older teens (16-17) may find it useful alongside a parent or guardian. Younger teens should speak with a qualified clinician.
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Follow up with a qualified healthcare provider for a full evaluation.
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If results suggest ADHD may be present, the next step is a professional assessment, not a self-diagnosis. Consider your primary care clinician, a psychiatrist, or a psychologist experienced in ADHD. Our resources page lists places to start.
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Varies widely — often $300–$2,000+ depending on provider and insurance.
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In-person evaluations vary by setting and region. Many insurance plans cover assessment when medically necessary; confirm with your insurer.
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No: this is a screening tool, not a diagnosis.
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Only a licensed professional can diagnose ADHD. This site provides educational screening and general information, not individualized medical advice.
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We handle your information carefully; see our Privacy Policy.
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We use the email you provide to deliver your results and operate the service as described in our Privacy Policy. We don't sell your email address.
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ADD is an older term; today clinicians use ADHD subtypes.
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Since the DSM-IV, ADHD is the umbrella term, with presentations that include predominantly inattentive, predominantly hyperactive-impulsive, or combined. What people once called "ADD" maps to the inattentive presentation.
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ADHD is neurodevelopmental; symptoms start in childhood, but many adults are diagnosed later.
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A first diagnosis in adulthood usually reflects symptoms that were missed or masked earlier, not ADHD "starting" in adulthood. Discuss timing and history with a clinician.
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Evidence-based treatment helps many adults, often medication plus therapy or skills support.
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Response rates vary by person, but many adults benefit from a combination of medication (when appropriate), psychotherapy (e.g. CBT), and practical strategies. Your clinician can tailor options to you.
Our free ADHD screener takes about 5 minutes. Answer 12 DSM-5-informed questions, enter your email, and get your results with clear next steps.
*This assessment is for informational purposes only and is not a clinical diagnosis. Always consult with qualified healthcare providers for professional medical advice.