KinesteX vs Kemtai: Fitness SDK or…

Dimension	Kemtai	KinesteX
What it is	Digital physical therapy platform: clinician web app, embeddable components and APIs	White-label SDK that embeds a hosted coaching experience, plus a content API
Primary buyers named	Health systems, clinics, payers, digital health platforms, medical-device and pharma companies	Fitness apps, physical therapy and rehab, corporate wellness, insurers and health plans
Regulatory status, per vendor	"FDA-listed as a medical device", CE-marked under MDR 2017/745, ISO 13485, 27799 and 27001	HIPAA compliance page; home page says test results "are not a diagnosis"; no medical-device listing on the pages we read
Ways in	Kemtai CARE clinician app; Embeddable Exercise Player; patient and protocol management components; data and management APIs	Plug-and-play views (AI Trainer Chat, plan, workout, challenge, leaderboard, AI games, admin editor); custom workout; camera component; Content API
Platforms	Web app on laptops, tablets and phones with a camera; no SDK package list on the pages we read	Swift, Kotlin, Flutter, React Native, React (TypeScript), HTML/JavaScript iframe; iOS 14.0+, Android 9+
Exercise library	2,000+ exercises and variations	500+ AI exercises (site); "550+ exercises built in" (deck)
Assessments	ROM assessments and digital assessments assigned by clinicians	Timed Up and Go, Single Leg Stand, 30-Second Sit-to-Stand, shoulder ROM and more, with risk levels on balance tests
Clinician workflow	Protocol prescription, care plans, adherence down to the rep, messaging	Admin panel for design, workouts and usage statistics; progress dashboards for clinicians on its PT page
Languages	Not published on the pages we read	19 (FAQ and home page); the deck's competition slide says 17
Video handling, per vendor	"Processing is done on the edge device, and video is not recorded"	"The camera video never leaves it and is not stored"; the AI trainer chat needs internet
Published price	None on the pages we read	Deck: $1.50 per monthly active user (MAU), $1,500 monthly minimum; FAQ: usage-based, integration fees may apply
Developer docs	By email request	Public docs and public GitHub repos
Public release record	None found on the pages we read	npm kinestex-sdk-react-native 1.5.0 (2026-10-19); pub.dev kinestex_sdk_flutter 1.5.1 (2026-07-04); Kotlin SDK 2.5.0 in the install docs; Swift, Kotlin and SwiftUI-kit repos updated Nov 5, 2026
Accuracy	Validation study against a 10-camera motion lab (vendor claim, "Kemtai data on file")	"97.2% accuracy" (vendor claim)

Disclosure: KinesteX, which appears in this table, funds this site, AIFitnessAPI.

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