Flat. Minimal. Focused.

A clean interval timer that keeps your routine moving.

Zestimer helps you train consistently with guided structure, fast edits, and clear progress without noise — on your iPhone and Apple Watch.

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Active workout timer screen in ZestimerAI coach screen in ZestimerProgress analytics screen in Zestimer
Active workout on Apple Watch in ZestimerWorkout list on Apple Watch in ZestimerWorkout summary on Apple Watch in Zestimer

App tour

A guided look inside every screen

Active Timer

See the full interval flow at a glance and stay locked in.

Widgets

Progress on your Home Screen, all day

Keep momentum visible with quick-start, weekly, and monthly widgets across compact and medium sizes.

Glass panel set • 2 sizes

Quick Start

Launch your next workout from Home Screen in one tap.

Built for real routines

What's it like to train with Zestimer?

No clutter. Just the features that make daily training easier to start and easier to sustain.

01

Focused active timer

A clear live view that keeps you locked into the current interval.

02

Fast workout builder

Create or tweak interval flows in seconds with minimal taps.

03

Apple Music support

Keep your playlist running without leaving your session.

04

Health integration

Workouts sync to Apple Health so your effort always counts.

05

iCloud sync

Routines and history stay consistent across your devices.

06

AI coach

Generate a structured plan from a quick prompt and fine-tune it.

07

Home screen widgets

Start sessions and track consistency from a glanceable widget.

08

Workout sharing

Send custom routines to friends and train on the same plan.