The comparison table
aifitnessapi.com| Vendor | What you get in the box | Platforms | Integration surface | Published entry price (as of Nov 9, 2026) | Regulatory / privacy statements | Library size (vendor-stated) | Access |
|---|---|---|---|---|---|---|---|
| KinesteX | AI Trainer Chat, plan, workout, challenge and leaderboard views, AI games, assessments, admin panel, content API, camera component | iOS 14+, Android 9+; Swift, Kotlin, Flutter, React Native, React TS, HTML/JS iframe; main browsers | Hosted experience in a WebView or iframe, plus REST APIs | $1.50 per monthly active user (MAU), $1,500 monthly minimum (seed deck); no price list on kinestex.com | "KinesteX is HIPAA compliant", BAA with Google Cloud; video processed on the device | 500+ (website), 550+ (deck) | Demo access and API key after a booked call |
| Kemtai | Embeddable Exercise Player, management components, data and management APIs; Kemtai CARE clinician web app | Any device with a camera; web app; SDK platform list not published | Embeddable UI components plus data APIs | Not published on the pages we read | FDA-listed and CE-marked (MDR 2017/745) medical device; ISO 13485, 27799, 27001; HIPAA and GDPR | 2,000+ exercises and variations | Email form for API docs; demo |
| Asensei | Headless movement recognition; Coach IQ content tools; Cloud Coach containers | Native iOS and Android, Web, Ionic, React, Unity (vendor-stated) | Headless on-device SDK; cloud deployment for sport and broadcast | Not published on the pages we read | None beyond on-device processing | Not published on the pages we read | "Request SDK Access"; contact sales |
| Sency | Branded Kit (full UI) or Custom Kit (no UI); assessments; MCP server | iOS (SMKit demo 16.0, SMKitUI iOS 15), Android minSdk 24, React Native, Flutter; JavaScript and Unity listed "NA" | Native SDK; models downloaded from Sency's server | Starter free up to 100 MAU, Growth from $499/month (pricing-packages); $99.99 fixed up to 100 users (/pricing) | "fully compliant with both HIPAA and GDPR"; edge computing | Not published on the pages we read | Free registration; key by email after subscribing |
| QuickPose | MediaPipe and BlazePose toolkit: overlays, range of motion, exercise counters | iOS 14.0+, Android API 26 (samples API 28), React Native; no web package found | Native, in-process SDK | Free up to 10 monthly active devices; Builder $25/month for 100; up to $1,000/month for 100,000 | "100% on-device"; no video frames sent to a server | Not published as a count on the pages we read | Free SDK key, "usage limits may apply" |
| Exer AI | Exer Scan for clinicians, Exer Health for patients; no developer SDK found | Phones, tablets and webcams (vendor-stated) | Buy the product; APIs for EHR integration and billing | Not published on the pages we read | "FDA Class II Medical Device (software), validated."; HIPAA compliant | Not published on the pages we read | Demo request |
| PoseTracker | Free 17 MoveNet keypoints; paid engine for reps, angles, form score | React Native (Expo Go), iOS, Android, web; no first-party Flutter SDK | npm SDKs or iframe API | Freemium €0 (200 calls, non-commercial); Developer €50/month; Business from €150/month | Keypoints on-device, no video upload; "It is not a medical device" | Not published as a count on the pages we read | No key for keypoints; key for the engine |
| Free pose models | Keypoints only: BlazePose 33, MoveNet 17, ML Kit 33, Apple Vision body pose | MediaPipe: web and Android documented; ML Kit: Android and iOS | Libraries inside your app | Free; BlazePose and MoveNet cards say Apache 2.0 | Yours to establish | None; you build reps and form | Download |
Disclosure: KinesteX, which appears in this table, funds this site, AIFitnessAPI.
Last verified November 9, 2026 · Source: KinesteX vs Competitors: Every Motion Tracking SDK Compared
via AIFitnessAPI: KinesteX vs Competitors: Every Motion Tracking SDK Compared ↗ — a free reference from AIFitnessAPI. This widget shows whatever the source page says today, so it changes when we update it.