What is ODDALoop?
ODDALoop is a free routine app where routines advance by attendance, not by calendar. You build a loop — a repeating cycle of ordered stages — and every time you show up, you do the current stage and mark it done. The loop advances to the next stage, and after the last one it wraps back to the start. There are no streaks to lose and no schedule to fall behind: a loop simply waits for your next visit.
ODDA stands for Open · Do · Done · Advance — the whole interaction model in four words. Open the loop, do the stage in front of you, mark it done, and the loop advances.
How a loop works
- Stages in order. A loop is a named cycle of stages — Push / Pull / Legs, or Kitchen / Bathroom / Living room / Bedroom. Each stage holds the things you need in the moment: notes, checklists, timers, and counters.
- One stage per visit (or several). Whenever you show up, the loop shows you exactly one thing: the current stage. Do it, mark it done.
- Advance and wrap. Marking a stage done logs a completion and moves the pointer to the next stage. After the last stage, the loop wraps — cycle complete, start again whenever you're back.
Why no streaks?
Streak counters punish absence: miss a day and the number you were proud of resets to zero. ODDALoop tracks something kinder and more honest — where you are in the cycle. Life interrupted you for a week? Your loop is exactly where you left it. The next stage is still the next stage. Nothing reset, nothing was lost, and there is no guilt mechanic asking you to make up for lost days.
That makes loops a natural fit for anything you do repeatedly but not on a fixed schedule: gym splits where you do the next workout whenever you train, room-by-room cleaning rotations, instrument practice, study cycles, and routines for brains that find streak pressure counterproductive.
Free, offline, no account
- Free — no subscription, no paywall.
- Offline-first — everything lives on your device and works with no connection. It's an installable web app (PWA): add it to your home screen from the browser and it behaves like a native app.
- No account needed — open oddaloop.com and start. An optional account adds backup and real-time sync across devices.
ODDALoop is not the OODA loop
Despite the similar name, ODDALoop has nothing to do with the OODA loop — the Observe–Orient–Decide–Act decision cycle developed by military strategist John Boyd. It is also not affiliated with the intelligence publication oodaloop.com, or the song "Oddloop" by the band Frederic. ODDALoop is a routine app, and ODDA stands for Open · Do · Done · Advance. No fighter pilots were involved.
Try it
Start from a blank loop or a ready-made template — a workout rotation, a cleaning rotation, a morning routine, and more.