outSMARTPD vs Parkinson Detector
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
outSMARTPD
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outSMARTPD is an app built to assess your symptoms and determine if they are Parkinsonian. To use the app, follow the instructions to complete the non-motor surveys and then take a few quick motor tests. Immediately, the app will return your percent likelihood of having Parkinson's Disease. NOTE: This app does not diagnose Parkinson's Disease. This app does not give out medical information or recommendations. Please consult a doctor for any and all abnormal symptoms. This app is simply a tool to help users understand their symptoms from the comfort of their own home; please visit a doctor for any medical guidance.
Parkinson Detector
This app offers a simple, at-home self-screening tool for tremors and motor skills. It includes spiral drawing and finger-tapping tests to provide an easy summary and track trends over time for awareness and education.
- Spiral drawing test for hand tremor
- Finger-tapping test for speed and rhythm
- Instant summary with overall score
- History to track changes over time
- No sign-in required for privacy
- Visual representation of test results
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Parkinson Checker is a simple, at-home tremor and motor self-screening tool. Draw a spiral, do a quick finger-tapping test, then see an easy summary and trends over time. It’s for awareness and education—not for diagnosis or treatment. How it works Spiral drawing test – trace an on-screen spiral to capture hand tremor. Finger-tapping test – alternate taps for 15 seconds to gauge speed, rhythm, and consistency. Instant summary – view a simple overall score plus details (e.g., taps/sec, variability, freezes, alternation errors). History – compare past runs to notice changes. No sign-in – open the app and start—fast and private. Why people use it Establish a baseline and watch trends over days or weeks Share observations with family or a clinician Learn about tremor and tapping patterns in a clear, visual way Notes & privacy Not a medical device. Results are not a diagnosis. If you’re concerned about tremors or neurological symptoms, consult a licensed professional. Data control: no account required; results are stored on your device.
Screenshots
Verdict
The clearest difference is iOS requirement: outSMARTPD at 15.0 against Parkinson Detector's 18.5. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | outSMARTPD | Parkinson Detector |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 2 weeks | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 18.5 |
| Further details — not scored | ||
| Size | 32 MB | 20 MB |
| Age rating | 12+ | 17+ |
| Developer | outSMARTPD LLC | Chang Li |
In-app purchases
outSMARTPD
No in-app purchases
Parkinson Detector
No in-app purchases






