OCHO / 01ANDROID TIMER

See the timer.
Do the workout.

Ocho is an interval timer for EMOM, Tabata, AMRAP, and Custom Timer workouts. It uses a large clock and clear phase indicators.

Android 8.0+No accountGPLv3

Ocho Tabata work screen that shows the current interval.

tabata45 s work / 15 s rest

PrepareWorkRestComplete

OCHO / 02THE SESSION

The screen shows the current phase.

Ocho uses the full screen to show the current phase. Sound and vibration can also indicate a phase change.

01Visual

A full-screen colour and a large clock show the current phase.

02Sound

A sound can indicate each phase change.

03Vibration

A vibration can indicate each phase change.

Ocho Tabata setup screen with duration controls and a saved preset row. — SETUP / TABATAREST / RECOVERY

Ocho Tabata rest screen that shows the current rest interval. — SETUP / TABATAREST / RECOVERY

OCHO / 03WORKOUT MODES

Select a timer mode.

Ocho includes four timer modes. You do not need an account or subscription to start a workout.

EMOMcontinuous workTabatawork / restAMRAPone continuous blockCustomsets / intervals

Ocho home screen with EMOM, Tabata, AMRAP, and Custom Timer modes. — 01 / SELECTselect a mode

Ocho Tabata work screen that shows the current work interval. — 03 / STARTstart the workout

EMOM

Start a new interval at a fixed time interval.

continuous work / interval cue

Tabata

Alternate between work and rest phases.

phase colour / sound cue

AMRAP

Run one continuous timed block.

one block / no interval cues

Custom Timer

Set the number of sets and the work and rest durations.

work / rest / no final rest

04 / NEXTAdditional workout modes are planned for future versions.

OCHO / 04PRESETS

Save timer configurations.

Presets store timer configurations for later use. Each row shows the preset name and the important timing values for that mode.

01Compact rows

Each row shows the preset name and a timing summary.

02Mode-specific values

Each timer mode shows the values that apply to that mode.

03Preset names

Preset names can contain a maximum of 50 Unicode characters.

Ocho EMOM setup screen with a saved preset row and its timing summary. — EMOM / SAVED PRESETtiming summary is visible

OCHO / 05APP SCREENS

See each part of a workout.

These Pixel 9a screenshots show the app from mode selection to workout completion. EMOM uses continuous work. Tabata alternates between work and rest.

Ocho EMOM setup screen with a saved preset row. — **02 / EMOM + PRESETS**set the interval and save the preset

Ocho preparation countdown before the first interval. — **03 / PREPARE**prepare for the workout

Ocho EMOM work screen that shows the current interval. — **04 / EMOM WORK**complete the current interval

Ocho paused EMOM session with a resume control. — **05 / PAUSED**resume the session

Ocho Tabata setup screen with work and rest values and a saved preset row. — **06 / TABATA SETUP**set the work and rest values

Ocho Custom Timer setup screen with a saved preset row that shows sets, work time, and rest time. — **08 / CUSTOM + PRESETS**set the custom timer values

Ocho AMRAP setup screen with three saved presets named Quick Start, Steady Pace, and Long Burn. — **09 / AMRAP + PRESETS**compare total durations

Ocho completion screen that shows the workout summary. — **11 / COMPLETE**view the workout summary

OCHO / 06DOWNLOAD

Install Ocho.

Ocho is available from Google Play and as an APK from GitHub. Both versions support Android 8.0 and later. Google Play manages updates for the Google Play version. The GitHub version includes the Ocho update function for GitHub Releases.

Android can ask for permission to install the GitHub APK from an unknown source.

See the timer.Do the workout.