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Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.
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Ada
✓ verifiedFree
Free AI symptom-assessment app, built with clinicians, that guides users through health questions plus a medical library.
1.6K saves
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ADHDtest.ai
✓ verifiedFreemium
Online DSM-5-aligned ADHD screening with a free instant result, plus paid PDF reports; a screening tool, not a clinical diagnosis.
1.5K visits/mo
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Empedoc AI
✓ verifiedFree
AI health startup building predictive neurological tools, including Phoebe, which forecasts migraine attacks up to 7 days ahead.
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Rash Detector
✓ verifiedFreemium
AI photo-based rash triage app for consumers wanting a quick informational risk read before deciding whether to see a doctor.
Pricing
No public pricing
Free assessment: $0
ADHD/Standard report: $9.99 one-time
Pro clinical report: $49.99 one-time
No public pricing
No public pricing
Core features
- ✦AI symptom assessment
- ✦Clinician-developed medical content
- ✦Doctor-written medical library
- ✦Multilingual app
- ✦Health guidance and triage
- ✦DSM-5-aligned questionnaire using ASRS, BADDS and WURS-25
- ✦AI analysis across attention, impulsivity and executive function
- ✦Free instant on-screen result, no signup to start
- ✦Downloadable Standard and Pro clinical PDF reports
- ✦Comorbidity screening indicators (anxiety, depression, sleep)
- ✦Reports formatted to bring to a GP or clinician
- ✦Migraine prediction engine (Phoebe)
- ✦Wearable biometric + atmospheric modeling
- ✦Forecasts up to 7 days ahead
- ✦Cognitive-decline detection (Clara, in development)
- ✦Three-photo AI rash analysis in about a minute
- ✦Condition confidence scoring and risk assessment
- ✦Symptom/trigger questionnaire for a detailed report
- ✦AI chat grounded in a user's own report history
- ✦Analytics dashboard of trends across reports
- ✦Web and Android apps sharing one account
Use cases
- →Check and understand symptoms
- →Learn about conditions and health topics
- →Decide next steps for care
- →Support patient triage for partners
- →Adults self-checking for possible ADHD symptoms
- →Producing documentation to support a clinical referral
- →Screening undiagnosed adults and inattentive presentations
- →Understanding comorbid conditions alongside ADHD
- →Migraine forecasting and prevention
- →Neurodegenerative risk monitoring
- →Getting a quick informational read on a new skin rash
- →Deciding whether a rash needs urgent medical attention
- →Tracking recurring skin conditions over time
- →Asking follow-up questions about a previous report
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