Reflex is a health and fitness app for iOS that uses AI-guided motion capture to measure shoulder mobility and track recovery progress.
The App DNA
What makes this app unique?
Users turn to Reflex to replace manual goniometer measurements with automated, camera-based tracking, removing the need for in-person physical therapy visits for routine range-of-motion checks.
For Individuals recovering from shoulder injuries or those seeking to monitor shoulder mobility and prevent future injury.
What does it look like?
Key features
Uses device camera to recognize shoulder position and guide measurements.
Visualizes range of motion and pain trends.
Displays historical and current movement images.
How much does it cost?
The freemium model gates advanced recovery data behind a subscription, but the current lack of functionality makes the premium tier a high-risk purchase.
Velocity
Dormant developmentUX improvementsShow more...
Reflex: Shoulder Mobility App has been inactive for 1,341 days, indicating a complete cessation of development. There have been no feature updates, bug fixes, or operational changes in the observed history. The project appears to be in a dormant state with no signs of active maintenance or support.
Who built it?
Sliced Backhand
4 apps tracked · Health & Fitness
Bike Biomechanics Measuring AI
Reflexes - Activities at Home
NeckCheckUp: Prevent Neck PainUser Sentiment
What do users think recently?
Fresh user feedback skews frustrated.
How are ratings & reviews evolving?
What users say, by theme
- Accessing the history tab triggers an immediate app crash, preventing users from viewing their progress
1 of 1 recent reviews analyzed · limited sample
Read the full review analysisUnlock 2 more frustration themes, each backed by review evidence.
Access the full report for freeCompetition
Competitive landscape for Reflex: Shoulder Mobility App
How's the Health & Fitness market?
Reflex occupies a niche in the Health & Fitness category, but its lack of updates since December 2022 leaves it stagnant compared to active competitors. The 4.36 rating is based on a very small sample, masking the severity of recent functional regressions.
Read the market outlookThe rivals identified
Unlock the deeper market read.
Access the full report for freeThe Analyst's Read
Key takeaways for Reflex: Shoulder Mobility App
Where is it heading?
Users report: The market for digital physical therapy is shifting toward integrated, stable platforms that offer consistent data tracking. Reflex is currently exposed due to its lack of updates and broken core features, which will likely lead to continued churn and negative sentiment until the stability issues are addressed.
- The 44-month update gap indicates the app is in maintenance mode, which erodes user trust in its ability to support long-term recovery.
- Active regressions in the history and photo-saving features prevent users from tracking progress, directly leading to refund requests and negative sentiment.
The SWOT
- AI-guided motion capture replaces manual goniometer measurements
- B2B partnerships with physical therapy clinics
Next best moves
Fix history tab crash because it is the #1 churn risk → restore core utility
+ 2 more prioritized movesThe counter-intuitive read
The app's biggest risk is not a competitor, but its own 44-month silence…
Read the full takeSince the last report: Reflex remains in a state of technical stagnation, with no functional updates to address the 44-month development gap. The primary shift is a more tactical approach to risk management, specifically the recommendation to pause premium subscription prompts to mitigate brand damage.
Bottom line
Reflex relies on its AI-guided motion capture to provide value, but the current functional regressions in data persistence and history access invalidate the user experience. Addressing these stability issues is the only path to restoring the trust required for a subscription-based recovery tool.
Unlock 2 critical frictions, 1 market threat, 2 more prioritized moves and the analyst’s take.
Access the full report for freeSources
- [1] App Store, source
Report last updated