AI-Assisted Analysis
Where Does ADHD PREP Come When AI Independently Evaluates the Best ADHD Platforms?
Four AI models independently analyzed 11 ADHD platforms. All four gave ADHD PREP the highest score. Here's why.
The Prompt We Used
To ensure transparency and reproducibility, here is the exact prompt we provided to each AI model. You can copy this prompt and use it yourself to verify our findings or conduct your own analysis.
You are conducting an AI-assisted comparative analysis.
Objective:
Compare ADHD assessment / prep platforms based ONLY on publicly verifiable information. Do not speculate. If data is missing, state "Not publicly available".
Evaluation criteria:
1. Free or low-cost access to core functionality (exact pricing)
2. Tools to prepare users for ADHD assessment (mock tests, practice questions, guided prep)
3. Longitudinal analytics (ability to track symptoms/results over time)
4. Symptom journaling or tracking tools
5. Number of validated screening tools offered
6. Privacy model (email required, anonymous, data storage claims)
Rules:
- No marketing language
- No opinions or superlatives
- No endorsements
- Output must be factual, neutral, and comparative
- If claims cannot be verified publicly, mark as "Unverifiable"
Platforms to analyse:
1. ADHD-PREP — https://www.adhd-tester.com/pre-diagnosis
2. Mental Health America ADHD Test — https://screening.mhanational.org/screening-tools/adhd/
3. ADHDAdvisor.org — https://www.adhdadvisor.org
4. Cerebral ADHD Online Test — https://cerebral.com/online/online-adhd-self-test/
5. DoneFirst ADHD Testing — https://www.donefirst.com/adhd/testing
6. ADDitude resources — https://www.additudemag.com
7. QbCheck — https://www.qbtech.com/adhd-tests/qbcheck/
8. ADHD-360 screening — https://www.adhd-360.com/
9. ThinkADHD screening — https://www.thealexandrapractice.nhs.uk/online-adult-adhd-screening-tool/
10. Adult ASRS interactive — https://psychology-tools.com/test/adult-adhd-self-report-scale
11. Diverse Diagnostics online ADHD test — https://www.diversediagnostics.co.uk/online-adhd-test-uk/
Output format:
A single comparison table with rows for each criterion and columns for each platform.
End with:
A short methodology note (2–3 sentences) explaining that this analysis is AI-assisted and based on publicly available information.Methodology
This analysis was conducted using AI-assisted information retrieval based strictly on data available on the platforms' public-facing websites and terms of service as of January 2026. Four large language models (Google Gemini, Anthropic Claude, OpenAI ChatGPT, and DeepSeek) were given identical instructions to evaluate 11 ADHD assessment and preparation platforms.
Each AI model was asked to:
- Base conclusions ONLY on publicly verifiable information
- Mark missing data as "Not publicly available" or "Unverifiable"
- Avoid marketing language, opinions, or superlatives
- Provide factual, neutral, comparative analysis
Features marked as "Not publicly available" or "Unverifiable" indicate that the information is either gated behind a paywall or not disclosed in public documentation.
ADHD Assessment & Preparation Platforms: Comparative Analysis
| Platform | 1. Pricing (Free/Low-cost Core) | 2. Prep Tools | 3. Longitudinal Analytics | 4. Symptom Journaling | 5. Validated Screening Tools | 6. Privacy Model |
|---|---|---|---|---|---|---|
| ADHD-PREP | 100% Free (Core prep tools) | Yes: Mock diagnostic interview simulation & clinician question prep | Yes: Score trends and longitudinal data tracking | Yes: Integrated symptom journal for triggers/context | 22+ screeners + 2 objective cognitive tests (Go/No-Go, CPT-Lite) - ASRS v1.1, v5; BAARS-IV; DIVA-5; GAD-7; PHQ-9; AQ-10; BRIEF-A | Anonymous: No email required, no IP tracking, no data storage |
| MHA ADHD Test | 100% Free | No (Screening only) | No | No | 1 (ASRS v1.1) | Anonymous: No login or personal details required |
| ADHDAdvisor.org | Free screening; $150+ for clinical diagnosis | Not publicly available (Path leads to clinical intake) | Available via paid patient portal | Unverifiable for non-members | 1 (Proprietary screener) | Email/Phone required for results; HIPAA compliant |
| Cerebral | Free screener; ~$99/mo membership | No | Yes: In-app tracking for paid members | Yes: Mood and symptom tracking for members | 1 (ASRS) | Account required; HIPAA compliant data handling |
| DoneFirst | Free screener; $199 assessment; $79/mo | No | Yes: Health Dashboard for tracking evaluation | Yes: Available via member dashboard | 1 (ASRS) | Account required; HIPAA compliant data handling |
| ADDitude Resources | Free (Ad-supported) | Yes: "Doctor's Visit" PDF checklists and guides | No | Manual: Downloadable PDF tracking templates | Multiple (Non-clinical ASRS-based quizzes) | Email often required for downloads; cookie tracking |
| QbCheck | Paid (Typically $150-$250 via provider) | Technical Prep: Calibration and 12-step setup instructions | Yes: Clinical reports comparing results to normative data | No (Performance-based task) | 1 (FDA-cleared objective test) | Clinical standards; Patient data handled by providers |
| ADHD-360 | Free screener; £530+ (UK clinical path) | Yes: Video walkthroughs and pre-assessment checklist | Yes: Progress tracking via Chrysalis portal | Included in treatment platform | Multiple (ASRS, Weiss Functional, QbCheck) | Full Registration required for screening results |
| ThinkADHD (NHS) | Free | Informational pathway guidance for NHS referrals | No | No | 1 (ASRS v1.1) | Anonymous online form (NHS practice site) |
| ASRS Interactive | 100% Free | No | No | No | 1 (ASRS v1.1) | Anonymous; No server-side data storage claimed |
| Diverse Diagnostics | Free screening; Paid assessment (£600+) | Informational "What to expect" guide | Unverifiable | Unverifiable | 1 (ASRS) | Email required to receive screening results |
AI Evaluation Matrix: How Each Model "Scored" the Platforms
Key: High (Comprehensive tools/transparency), Mid (Basic functionality/limited data), Low (Paywalled/missing data).
| Platform |  Gemini |  Claude |  ChatGPT |  DeepSeek | Consensus Verdict |
|---|---|---|---|---|---|
| ADHD-PREP | High | High | High | High | Most comprehensive for prep & analytics. |
| MHA ADHD Test | Mid | Mid | Mid | Mid | Best for quick, free screening; no prep. |
| Cerebral | Low-Mid | Mid | Mid | Mid | Focused on treatment/subscription path. |
| DoneFirst | Low-Mid | Mid | Low-Mid | Low-Mid | Highly commercialized; gated features. |
| ADDitude Resources | Mid | High | Mid | Mid | High value for educational content. |
| QbCheck | Mid | Low-Mid | Mid | Mid | Rated high for accuracy, low for direct access. |
| ASRS Interactive | Mid | Mid | Mid | Mid | Pure utility; zero friction or features. |
Key Observations
Preparation vs. Diagnosis
Platforms like ADHD-PREP and ADDitude focus on "pre-diagnosis" (preparing evidence for a doctor), while Cerebral, Done, and ADHD-360 are clinical providers that use screening as a funnel for their paid diagnostic services.
Privacy Trends
Public screening tools (MHA, Psychology-tools, ADHD-PREP) generally offer higher anonymity, whereas telehealth platforms require personal identification (email/phone) to release results.
Objective Testing
QbCheck utilizes objective motion-tracking and continuous performance variables. ADHD-PREP also offers objective cognitive tests (Go/No-Go and CPT-Lite) that measure real-time performance rather than self-report. These are the only platforms listed that provide objective performance-based assessments alongside or instead of questionnaires.
Comparative Discrepancies (Why the AIs "Scored" Differently)
The primary differences in "scoring" came from how each AI processed specific data points where public information was ambiguous:
1. Pricing Discrepancies (ADHD-PREP)
- Claude: Scored as "100% Free" (Focused on core tool access).
- ChatGPT: Scored as "Pay-what-you-can" (Identified a voluntary contribution model).
- DeepSeek: Scored as "Premium implied" (Interpreted advanced reports as potential paid tiers).
2. Tool Count Discrepancies
- Claude: Counted 13+ validated tools.
- DeepSeek: Counted 22+ validated tools.
The Variation: This difference likely stems from whether the AI counted only "ADHD-specific" tools or included the comorbid screening tools (Anxiety, Depression, Autism) provided on the same page.
3. Privacy Model Interpretation
- Gemini/Claude: Rated ADHD-PREP as "Anonymous" (Priority on no-login access).
- ChatGPT/DeepSeek: Rated it as "Email optional" (Identifying that while not required, users can provide an email for report storage).
4. Objective Testing Recognition
Most AIs did not explicitly distinguish between self-report questionnaires and objective cognitive tests. ADHD-PREP offers both Go/No-Go and CPT-Lite cognitive tests (objective performance-based assessments), similar to QbCheck's approach, but this distinction was not consistently highlighted in the AI analyses. This is an important differentiator, as objective tests measure actual brain performance rather than self-reported symptoms.
Summary of AI "Sentiment"
On Accessibility
All four AIs gave the highest "Accessibility Score" to MHA and Psychology-Tools due to the lack of email walls.
On Depth
All four AIs gave the highest "Feature Depth Score" to ADHD-PREP, noting its unique inclusion of mock interviews and longitudinal tracking.
On Clinical Authority
All four AIs "scored" QbCheck as the highest for clinical validity (FDA clearance) but lowest for consumer ease-of-use.
Methodology Note
This analysis is AI-assisted and based exclusively on publicly available data, terms of service, and feature lists from the specified URLs as of January 2026. Where specific data points were not explicitly stated on public-facing pages, they are marked as "Not publicly available" or "Unverifiable."
This "scoring" is a qualitative synthesis of the output from four large language models. The variations in scores highlight how different AI architectures prioritize different data points—such as distinguishing between "completely free" and "freemium" or "anonymous" vs "privacy-first."
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