Select. Trend. Improve.

Fast, on-device insights from your Apple Health data. No cloud. No noise. Just trends that help you get better.

Become a Founding Member Become a Beta Tester

What you can do with TrendFit

TrendFit

Explore multiple trends—like Active Energy, Heart Rate, Pace—for a single workout type (e.g., Running). Pinch-zoom to focus. See slopes to understand direction at a glance.

TrendFitStack

Pick one trend (e.g., Energy) and compare it across many workout types (Running, Walking, Hiking…). Stack your totals by day / week / month / year to see cumulative progress.

Zoomable, Readable Charts

Pinch to zoom, tap to reset, and navigate clean, legible charts designed for quick insight—no data-science degree required.

Privacy-First by Design

On-device only. TrendFit reads Apple HealthKit data locally and does not upload your health data to servers. Your insights stay yours.

Personalization

Choose units, chart lookback windows, and haptic preferences. TrendFit adapts to how you like to train and review progress.

Roadmap: TrendFitChallenge

Set personal goals and friendly challenges to stay accountable. Track progress over time and celebrate wins together. (Coming soon.)

Screenshots

TrendFit welcome screen
Welcome screen — your jumping-off point.
TrendFit single workout trend view
TrendFit — compare multiple trends for a single workout type.
TrendFitStack scatter view with multiple workout types
TrendFitStack — explore trend data across multiple workout types.
TrendFitStack stacked view by month
Stacked totals by week/month to reveal the bigger picture.

How it works

  1. Connect HealthKit — grant read access to your workouts and related metrics.
  2. Select trends — pick what matters: energy, distance, heart rate, pace, and more.
  3. See insights — zoom the charts, watch trends, and adjust to improve.

Help shape TrendFit

Sign up to become a Founding Member of the TrendFitApp and get early access to the Beta release.

As part of the Beta you will have the opportunity to tell us what works—and what doesn’t.

Your feedback will directly improve the App.

Become a Founding Member Become a Beta Tester

FAQ

Does TrendFit upload my health data?

No. TrendFit reads HealthKit data locally on your device. Your data is not uploaded or sold.

What devices are supported?

iPhone with Apple Health and HealthKit permissions enabled. Specific OS/version details will be posted at release.

When is it available?

Public beta is coming during Fall 2025. Follow our announcements for dates and TestFlight availability.