Mantra Time

· Updated 2 September 2026

A meditation timer that stays accurate when the phone sleeps

A phone displaying a calm, accurate meditation timer

You sit down, set twenty minutes, turn the phone face down, and close your eyes. Somewhere in the middle of the sit the device decides it has better things to do. The timer pauses, the interval bell never comes, or the session ends seven minutes late with a jolt. The meditation was going fine. The clock was not.

This is a practical problem, not a spiritual failing. Phones are designed to sleep, to batch work, to protect batteries. A meditation timer that only runs while the app is in the foreground is a timer for people who keep watching the screen.

Why timers drift on a sleeping phone

A naive timer counts in the app process: a loop, a tick, a remaining-seconds number. When the operating system suspends that process, the loop stops. When you pick the phone up, the loop resumes as if no time has passed, or catches up in a clumsy jump.

Do-not-disturb, battery optimisation, and restrict-background settings make this worse on Android especially. The system is not trying to ruin your sit. It is trying to assume that an app you are not looking at can wait.

Alarms and realtime clocks are a different mechanism. They are meant to fire at a wall-clock time even if the app is not open. Interval bells and session ends that go through that path survive a dark screen. Interval bells that depend on an in-app tick often do not.

You do not need to become a systems engineer to sit. You need a timer that was built with sleep in mind.

What accurate should mean

Accurate does not mean a millisecond stopwatch. It means:

  • Twenty minutes is twenty minutes, whether or not you look.
  • An interval bell at five minutes arrives near five minutes.
  • Ending the sit early records the time you actually sat, not a round number you wish you had.
  • A locked screen and a pocket do not pause the session by accident.

If you are using the timer as a fence around prayer — a short quiet after Hanuman Chalisa, or a gap before the day starts — the fence has to hold without supervision.

How to sit so the device stays out of the way

Set the duration before you sit, not after you have already tried to become still. Choose interval bells only if they help you. Many people need none. A single end bell is enough.

Then put the phone down, sound on at a modest volume, or use a vibration if the house is asleep. If you must have the screen dark, that should still be fine. If it is not fine, the timer is the wrong tool.

A few sitting notes that have nothing to do with software and everything to do with not fidgeting:

  • Do not check remaining time. If you need to know, the sit is already a negotiation.
  • If a notification arrives despite your settings, treat it like a sound in the street. Return to the breath or the name.
  • If you stand up early, end the session on purpose. Leaving a timer running in another room so the log looks complete is the same dishonesty as inflating a japa count.

Background sounds and the urge to decorate

Some people like a bowl, a low drone, or rain. Those can be a kindness in a harsh acoustic. They can also become another thing to manage: which sound, which volume, which fade. If you spend longer arranging the sit than sitting, strip it back to silence and one bell.

The phone is a poor shrine. It is a clock that happens to fit in a pocket. Let it be a clock.

Morning sits and evening sits are different loads

A morning timer often fights with alarms, calendar pings, and the itch to see what arrived overnight. An evening timer fights with fatigue and the wish to skip the end bell and go to bed. In both cases, the technical requirement is the same — the clock must keep — but the human one changes. Morning versus evening practice is about which slot you can keep. The timer should not force a slot by being unreliable in one of them.

If you only sit when you trust the device, a flaky timer will silently delete evening practice from your life. That is a product failure, not a lack of will.

What we built into Mantra Time

Mantra Time includes a meditation timer with a chosen duration and optional interval bells. The design constraint was simple: the time you set should still be the time you get when the phone is in another room, the screen is off, or Android has decided the app is not interesting.

The screen itself is titled "Make a little room." You pick a duration from 5, 10, 15, 20, or 30 minutes, or type a custom length from one minute to four hours. Interval bells can be none, or every 1, 2, 5, or 10 minutes. The tones are a small set: soft chime, singing bowl, temple bell, wood block. Choose them before you sit so the phone can stay face down. A longer note on those bells is how we use interval bells so a sit can stay unwatched.

There is no social layer on the other side of the bell. The session can be stored in a private history if you want a trace of the sit. It does not become a streak. It does not scold you for a twelve-minute morning when you had meant twenty.

If you already have a timer you trust — a kitchen timer, a dedicated device, a clock on the wall — use that. Software is optional. Accuracy is not.

A small test before you trust a timer with a sit

Once, without meditating, set ten minutes, lock the phone, put it down, and walk away. Come back when you think ten minutes have passed and see what the app says. If it is still at 6:40, or it never rang, do not take that tool into a real sitting.

Spiritual practice is already working against distraction. The clock should not be another one. Choose a duration, start, put the phone down, and let the bell be the only time the device speaks.