See the trend, not just today.

Log weight and body measurements, and watch the trend over time.

Side-by-side progress photo comparisonWeight trend with history and deltasTraining load and muscle activation map

Log a measurement and see it in context immediately - the trend over weeks and months, not just a single number today.

Training load and muscle activation mapWeight trend with history and deltasSide-by-side progress photo comparison
How it fits with the rest of Castra

See the training that drove the trend.

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Castra in use

See it for yourself.

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