Cognition Snapshot + vs Gnathic
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Cognition Snapshot +
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Cognition Snapshot is intended for use in the healthcare setting and is available only to healthcare professionals. Cognition Snapshot is an iPad-based assessment designed to evaluate their processing speed as a means of assessing their cognitive capabilities. It provides a Processing Speed Test (PST) and a Visual Memory Test (VMT) that evaluates cognitive function using elements of attention, psychomotor speed, visual processing, working memory, spatial memory, and verbal memory. Cognition Snapshot is based on the Symbol Digit Modalities Test (SDMT) and 7/24 Spatial Recall Test. During the assessment, the patient pairs abstract symbols with numbers, using a key as a guide, and then recalls a series of symbols and their location in a grid. Cognition Snapshot is intended for use in the healthcare setting and is available only to healthcare professionals. Cognition Snapshot is supported on any model of iPad which supports iOS 13 and has a 9.7” or greater display. Healthcare professionals should not rely primarily on Cognition Chronicle to make a clinical diagnosis or treatment decision for the patient.
Gnathic
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A first-generation smartphone app to evaluate and follow retrognathia (micrognathia) and facial growth in infants. The co-existence of micrognathia and mandibular retrusion with other conditions has received little attention in non-syndromic patients. These include feeding difficulty, oro-myofunctional problems, orthodontic development and airway concerns (references). Clinical diagnosis is often reduced to “clinical impression” in an attempt to avoid invasive diagnostic procedures such as radiographs, CAT scans and other 3D imaging. Screening indices dependent on invasive diagnostics help to define the maxillo-mandibular relationship and other indices have been suspect of inaccuracies. The gnathic-click app algorithm incorporates 5 indices commonly used to define the retrognathic mandible and is useful as a screening tool to predict the retrognathic grower from the time of birth. Its use will build a database to help clinicians identify non-syndromic patients that will benefit from early diagnosis and interceptive treatment. Note: The app is an educational tool for dental professionals involved in early diagnosis and intervention planning of oral facial growth problems in babies/toddlers. Medical Disclaimer: The Gnathic-Click app is designed for educational and informational purposes only and is not intended to replace professional medical advice, diagnosis, or treatment. While the app provides useful insights into retrognathia (micrognathia) and facial growth in infants, it should not be used as a sole tool for medical diagnosis or treatment planning. Always consult with a qualified healthcare professional for personalized medical advice. The use of this app should complement, not replace, the expert judgment of healthcare professionals. Any reliance on the information provided by the Gnathic-Click app is solely at your own risk.
Screenshots
Verdict
The clearest difference is update cadence: Cognition Snapshot + at every 3 months against Gnathic's every 6 months. Gnathic's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 16). On price, ads and in-app purchases 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.
Cognition Snapshot + ships an update every 3 months, Gnathic every 6 months. The most recent releases landed on May 15, 2026 and September 14, 2026 respectively.
| Parameter | Cognition Snapshot + | Gnathic |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16 | 12.0 — better |
| Further details — not scored | ||
| Size | 53 MB | 43 MB |
| Age rating | 17+ | 17+ |
| Developer | Qr8 Health Inc. | David A. Tesini DMD and ASSOC, LLC |
In-app purchases
Cognition Snapshot +
No in-app purchases
Gnathic
No in-app purchases




