ОДИН·ДВА
One = work, Two = rest. Build your workout, train offline.
What it does
One·Two is a free interval timer PWA for any workout format: HIIT, tabata, strength, cardio. What makes it different: • No ads, no registration, no account needed • Works fully offline after the first visit • Custom music tracks for work and rest phases separately • All data stays on your device — nothing sent to servers • Installs as an app on any phone without an app store Simple idea: One = work, Two = rest. Set your intervals, add music, train.
Does the same job
all alternatives →- MAMyTimers.app offline-first PWA with no build step and zero dependenciesNov 2025 · mytimers.app · ▲48
Hello, For quite some time, I've been unsatisfied with the built-in timers on both Android and iOS; especially for workouts, when I needed to set up a configurable number of series with rest periods in between. That's when I started thinking about building something myself. It was just a timer and I said to myself "how hard could it be?", I had no idea. The first iteration of the project worked "just fine", but the UI was an eyesore (even more than it is now), and the UX was quite awful as well. As you can probably guess, I'm not versed in design or front-end development. In fact, my last…
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- PTProgrammable timer web app (for gym workouts or stretching sessions)25d ago · timer.jotaen.net · ▲30
Over the last couple of months, I’ve been building a timer web app for myself that I use for workout and stretching sessions. My main use-case is gym routines that consist of repeatable sequences, e.g. where you are holding certain positions for a set time (rinse and repeat). The app counts down the program, beeps, and reads the activities out loud. Two things (I suppose) are special about it: - The timers are “programmable”, so you can freely express your own routines and procedures in a declarative notation. - The app is all static (no backend): the entire program is encoded in the URL and…
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