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Introducing the Workout and Weight Apps

Two simple fitness tools built into this site — one for guided exercise sessions, one for tracking your weight and BMI over time.

Alex Laverty · April 19, 2026 · 5 min read

Over the past few months I’ve been quietly building a couple of small fitness apps into this site. Nothing complicated — just tools I wanted for myself that didn’t quite exist the way I wanted them to. Here’s a look at what they do and how they work.

Workout — Guided Exercise Sessions

The Workout app is built around two curated exercise playlists: a Mobility Library with 99 exercises and the DAREBEE Exercise Library with 246 exercises. Each playlist is a collection of YouTube exercise videos, and the whole point of the app is to take the decision fatigue out of working out.

How it works

You pick a playlist and the app picks an exercise at random. A YouTube video plays inline — no jumping to another tab — and you get two buttons: Complete or Skip. That’s it. Hit Complete when you’re done, and after a short pause a new random exercise loads. Skip it if it’s not what you feel like doing, and the next one queues up immediately. The app makes sure you don’t get the same exercise twice in a row.

Both playlists cater to different goals. The Mobility playlist is great for warm-ups, cool-downs, or days when you want to move without grinding through heavy sets. The DAREBEE library is broader — bodyweight strength, cardio, and conditioning exercises that work anywhere without equipment.

Session history

Every exercise you complete or skip is logged. At the bottom of the page you’ll see your last 10 exercises from the session with timestamps, duration, and a status badge showing whether you completed or skipped each one. It’s a lightweight record that makes it easy to see what you’ve done without needing to track anything yourself.

If you’re signed in, your history persists across sessions so you can look back at what you’ve been doing over time.


Weight — Weight and BMI Tracking

The Weight app is a straightforward weight journal with BMI tracking built in. The goal was a minimal, no-friction way to log weight regularly and see the trend over time.

Setting up your profile

Before logging your first entry, you set your height in centimetres. This gets saved to your profile and is used to calculate your BMI automatically each time you log a weight. You only need to set it once, and you can update it any time.

Logging and BMI

Logging a weight entry takes one field and one button. The app calculates your BMI on the spot and shows it in a colour-coded card:

The categories follow standard WHO classifications. The colour feedback gives you an immediate read on where you land without needing to look anything up.

Progress chart

Once you’ve logged a few entries, a chart appears showing your weight trend over the past 90 days. The left axis tracks weight in kilograms and the right axis tracks BMI, so you can see both trends simultaneously. The chart updates every time you log a new entry and is designed to work cleanly in both light and dark mode.

History table

Below the chart is a table of your recent entries — date, weight, and BMI — sorted with the most recent at the top. It’s a clean record of your progress without any clutter.


What’s next

Both apps are deliberately simple right now. The Workout app could grow to include custom playlists or timer-based sets. The Weight app could add goal tracking or weekly summaries. But for now they do exactly what I need them to do, and that feels like a good place to start.

If you want to try them out, both apps are available from the Apps page. You’ll need to sign in to have your data saved, but the Workout app works without an account too — session history just won’t persist between visits.

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Alex Laverty
Writing about AI, Surfing, Tech, and Australia.