Apps Like Sigma Ring for iPhone and iPad
Ranked alternatives
Showing 281–300 of 1,000 ranked alternatives.



Wunda On Demand
WundaBar INC
Workout with WundaBar instructors
Follow guided Pilates workouts led by WundaBar educators. Focus on core strength and full-body movements with emphasis on biomechanics and flow. Track progress and access cardio-intense routines designed for mat practice.

Lucid Dream Alarm - Everdream
Sandratra Razafindralambo
Track sleep stages and set custom alarms
Track sleep stages and set personalized REM alarms with custom audio, volume, and vibration settings. Initiate sleep sessions to monitor dreaming patterns. Support dreaming techniques including DILD, WILD, WBTB, and Mnemonic Induction.

AnxietyTracker: Health Tracker
嘉泽 徐
Track sleep, heart rate, and stress levels
Track sleep duration and quality to assess rest's impact on mental . Monitor heart rate and respiratory patterns for real-time stress indicators. Receive daily insights and visualizations to understand emotional and physical well-being.


Tattoo AI-Tattoo Design TattAR
子龙 王
Tattoos with AI tools
Allows users to and preview tattoos using AI. Features include 5 tabs for navigation, recent projects display, and quick access to study or card management. Study mode includes flip cards, gesture controls, and test modes.




iCardiac AI: Heart Rate, Pulse
Trendium LLC
Track rate and monitor pulses
Monitor rate, beats per minute, and rate variability using phone camera and flashlight. Track resting, average, and peak values. Set goals for daily activity and receive notifications to encourage movement.





Ziva: Personalized Wellness
Ziva Health Inc
Track sleep, set routines, and analyze trends
Track heart rate variability and sleep patterns. Set goals. Receive AI-generated recommendations for breathing exercises, stress reduction, and focus improvement.




How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.