HIIT timer + rep counter

Your workout, counted.

RepChime combines a precise interval timer with automatic repetition counting. Build the session, start moving, and let your iPhone keep the rhythm.

Free download No account required Built for iPhone
RepChime HIIT timer showing workout progress and rounds
Progress at a glanceThe glowing border tracks the active interval without clutter.
2focused workout modes
4supported exercises
10App Store languages
0accounts to create
Everything stays in rhythm

One app for intervals and reps

RepChime keeps the workout structure visible and the controls simple, whether you train by time or by repetition goal.

Automatic rep counting

Use motion, rotation, automatic detection, or the front camera so supported exercises can be counted while you train.

Configurable HIIT timer

Set Work, Rest, Prepare, and rounds for short circuits, long holds, or repeatable interval sessions.

Ladder progression

Increase or decrease time and repetition goals from round to round for structured progressive sessions.

Sound and voice cues

Stay off the screen with countdown sounds, round cues, and optional spoken guidance from RepChime Pro.

Reusable presets

Save Timer and Counter setups, edit favorite routines, and launch the right workout in a few taps.

Live workout progress

RepChime Pro can keep workout timing visible with Live Activities on the Lock Screen and Dynamic Island.

Designed for focus

See the whole workout at a glance

Large numbers, clear phases, and a dark interface make RepChime easy to read between sets and across the room.

RepChime interval timer in an active work phase
Visible interval progress
RepChime repetition counter with smart camera and sensor tracking
Camera and sensor counting
RepChime adaptive timer ladder settings
Adaptive timer ladders
RepChime precision sound countdown settings
Precise sound countdowns
RepChime repetition goal ladder settings
Progressive rep goals
RepChime saved custom workouts list
Custom workout presets
Two ways to train

Choose time or repetitions

Both modes use the same clear workflow: configure a session, press Start, and follow the visual and audio rhythm.

Timer mode

Structure every interval

Create HIIT, EMOM-style, mobility, or hold sessions with separate Work, Rest, and Prepare times. Add rounds, sound countdowns, and time ladders.

WorkRestPrepareRoundsTime ladder
Counter mode

Let your iPhone count

Set a goal and choose motion, rotation, automatic, or front-camera detection. RepChime supports push-ups, sit-ups, pull-ups, and squats.

MotionRotationAutoFront cameraGoal ladder
RepChime in action

A workout rhythm you can share

RepChime keeps intervals and repetitions visible while you train. This Short shows a real calisthenics workout using the app.

Workout With My Bro · RepChime
Straight answers

Frequently asked questions

What does RepChime do?

RepChime is an iPhone fitness utility with two main modes: a configurable HIIT timer for interval sessions and a goal-based counter that can track supported repetitions using device sensors or the front camera.

Which exercises can RepChime count?

The current App Store listing names push-ups, sit-ups, pull-ups, and squats. Available detection modes vary by exercise; front-camera counting is available for push-ups.

Can RepChime count repetitions automatically?

Yes. Counter mode offers motion, rotation, automatic, and front-camera detection options. Accuracy depends on the exercise, device placement, movement range, lighting, and selected sensitivity.

Can I save my own workouts?

Yes. You can save Timer and Counter presets and quickly return to favorite configurations. RepChime Pro adds more preset capacity and the full editing workflow.

Does RepChime work in the background?

Free workouts are intended for foreground use. RepChime Pro adds workout background support features, including Live Activities and workout state preservation.

Does RepChime require an account?

No account is required. Workout presets and settings are designed to stay on your device. Apple handles App Store purchases and entitlement status.

Train responsibly. RepChime is a fitness utility, not a medical device, coach, or substitute for professional advice. Use proper form and stop exercising if you feel pain, dizziness, or discomfort.

Ready for the next round?

Build the workout once. Let RepChime handle the timing, counting, and cues while you focus on the movement.

Download RepChime free