I built OneBlock because tracking my time wasn't making me focus — keeping a promise to myself did.
Hey hunters 👋
I'm Joshua, the maker of OneBlock — a focus app that just hit v1.0 on the App Store and Google Play.
Quick story on why this exists:
I've used every Pomodoro timer, time tracker, and habit app you can name. They were great at measuring my day, but they didn't change how I actually showed up to deep work. The data piled up, the focus didn't.
So I stopped building "yet another tracker" and built a commitment device instead.
The loop is simple: Plan → Track → Evaluate.
Plan the block the night before (or that morning) — what you'll work on, when, for how long.
Track with a single focus session — no multitasking, no half-credit.
Evaluate with a Key Scene — the one moment from the block worth remembering. Not metrics. A scene.
That last step is the part nobody else does, and it's the part that made the biggest difference for me. You're not grading yourself on minutes. You're asking, "did I show up the way I promised?"
A few things I'm proud of:
🎯 Focus Score — one number that reflects how well your actual day matched your planned day.
📅 Calendar-first — plan and reality live on the same surface (ghost outline = plan, solid = actual).
🪞 Weekly review with AI Haiku — a 3-line poetic reflection on your week, written by Claude. It's oddly motivating.
🌍 Day 1 in 25+ languages, iOS + Android, fully native feel on both.
Free covers the daily loop (Day/Week view, 1 alert slot, rule-based insights). Pro unlocks Month+ views, multi-alert scheduling, and the AI Haiku review.
Try it:
🍎 App Store → https://apps.apple.com/us/app/one-block-key-scene-manager/id6767873081
🤖 Google Play → https://play.google.com/store/apps/details?id=com.joshuanco.oneblock
🌐 Website → https://oneblock.joshuanco.com/
Would love your feedback — especially from anyone who's tried (and bounced off) traditional time-trackers. What made them not stick for you?
Cheers,
Joshua 🌱
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