iOS & Android App
train, sit, brew.
A beautiful interval timer for physical training, meditation, and mindful daily rituals. Custom sounds, text-to-speech announcements, and visual timers that match the pace of your practice. Free. No ads.
Features
Choose from built-in bells, chimes, gongs, and bowls — or import your own audio files for each interval transition.
Type any announcement and hear it spoken at exactly the right moment. "Now switch to running." "Your tea is ready."
Progress bar, flowing hourglass, or burning incense stick. Each timer can have its own visual that matches your practice.
Stack multiple intervals into a timer, then loop the whole sequence for as many rounds as you need.
Lock your screen and keep practicing. Sounds and announcements play reliably even when the app isn't visible.
Start immediately with One Minute Silence, Tea Brew, and a 20-minute HIIT circuit. Add your own in seconds.
Made for
HIIT, interval running, circuit training, martial arts. Hear your cues, keep your eyes on your practice.
Meditation sessions, breathwork, yoga intervals. Gentle bells mark transitions without breaking your stillness.
Tea timers, cooking intervals, sourdough fermentation. A mindful bell when your patience is rewarded.
By downloading or using Metta Timer, you agree to these terms.
Metta Timer is designed for personal wellness activities including physical training, meditation, and mindful daily rituals. It is a general-purpose interval timer and is not intended for medical, clinical, safety-critical, or emergency applications.
Do not rely on Metta Timer in any situation where failure of the app could result in injury, harm, or emergency. This includes but is not limited to: medical procedures, driving or operating heavy machinery, emergency response, or any activity requiring precise timing for safety purposes. Always use certified equipment for safety-critical timing needs.
The HIIT Training preset included in Metta Timer is provided as a sample template only. It is not a prescribed exercise program and is not tailored to your individual fitness level, health condition, or physical capabilities.
Consult your physician or a qualified healthcare provider before beginning any new exercise program, particularly if you have any pre-existing medical conditions, injuries, or health concerns. Stop exercising immediately and seek medical attention if you experience pain, dizziness, shortness of breath, or any unusual symptoms.
Metta Grove and the developers of Metta Timer are not responsible for any injury, illness, or adverse health effects resulting from use of any timer preset, including the sample Kung Fu Stances or HIIT Training timer.
Metta Timer is provided 'as is' without warranties of any kind. We do not guarantee uninterrupted operation, accuracy of timing, or compatibility with all devices or operating system versions.
Metta Grove and the developers of Metta Timer shall not be liable for any damages arising from the use or inability to use this app, including but not limited to missed intervals, audio failures, or device-related issues.
All timer presets, settings, and custom sounds are stored locally on your device. If you delete Metta Timer from your iPhone, all data will be permanently erased and cannot be recovered. We are not responsible for any loss of presets or settings resulting from app deletion, device loss, device reset, or any other cause.
We recommend keeping a separate written or digital record of any timer presets you wish to preserve, so they can be reconstructed if needed. You can also export your timer presets as JSON from the Settings screen and save or paste them into a document for safekeeping. We recommend doing this periodically to avoid data loss.
We reserve the right to update these terms at any time. Continued use of the app constitutes acceptance of any revised terms. Last updated: March 2026.
Questions? Reach us at [email protected]
Metta Timer is built with privacy as a foundation. We do not collect, store, or transmit any personal information.
Nothing. Metta Timer does not collect any personal data, usage analytics, crash reports, or identifiers of any kind.
All timer presets, settings, and imported sounds are stored locally on your device. This data never leaves your device.
Metta Timer does not integrate with any third-party analytics, advertising, or data services.
Metta Timer plays audio through your device speakers. It does not access your microphone.
All text-to-speech processing is performed on-device using the system's built-in speech engine. No text is sent to any server.
Any future changes to this privacy policy will be reflected on this page. Last updated: March 2026.
Questions? Reach us at [email protected]