Top Health & Fitness Apps on iOS in the US: Q4 2025

In the fourth quarter of 2025, the top health and fitness applications on iOS in the United States showcased diverse performance trends. Based on data from Sensor Tower, here’s a closer look at how these apps fared.

Flo Cycle & Period Tracker from FLO HEALTH UK LIMITED demonstrated a consistent increase in weekly revenue, peaking at approximately $1.3M in late November. Weekly downloads fluctuated, reaching a high of 124K in the last week of December. The app's active user base remained robust, with numbers hovering around 8M throughout the quarter.

Planet Fitness maintained steady weekly downloads, with a noticeable spike to nearly 160K in the final week of December. Revenue remained stable, averaging around $1.8K weekly, while active users peaked at over 6.6M in early December.

Cal AI - Calorie Tracker experienced a significant increase in revenue, reaching approximately $433K in mid-November. Downloads saw a notable rise, particularly in the last week of December, hitting 94K. Active users showed a downward trend, starting at over 400K and ending the quarter at around 268K.

Yuka - Food & Cosmetic Scanner had a varied performance, with revenue peaking at $154K in the last week of December. The app's downloads were relatively stable, with a slight increase towards the end of the quarter, reaching 77K. Active users fluctuated but ended the quarter strong at over 2.7M.

Strava: Run, Bike, Walk showed a decline in revenue early in the quarter but rebounded to approximately $1.2M by the end of December. Downloads followed a similar pattern, culminating in a peak of 100K in the final week. Active users remained fairly stable, closing the quarter at around 3.7M.

These insights highlight the dynamic nature of the health and fitness app market on iOS in the US, with each app exhibiting unique trends in downloads, revenue, and active user engagement. For more detailed insights, visit Sensor Tower.