Why I keep developing Spleeft and how I use it as an online coach: athlete motivation, reliable strength data, and automatic sharing through iCloud.
We compare simultaneous Apple Watch recordings from the bar and the wrist against a linear encoder during deadlifts: what changes in the signal and what we can conclude.
How I used Apple Watch data, a linear encoder and recordings from Paris to improve Spleeft’s rest detection, repetition segmentation and bar velocity tracking.
Smart Zero improves repetition detection in demanding lifts, while new Apple Watch controls, raw-signal review, and additional VBT metrics give coaches a clearer and more flexible workflow.
Over the past few months, we have been working on three new features: detailed AI summaries of your athletes’ training sessions, synchronization of these summaries
0. For those unfamiliar with Velocity Based Training Velocity Based Training (VBT) consists of monitoring the execution velocity of repetitions performed with maximum intent to
Apple Watch Series 12 is our early pick for the best all-round wearable for 2027. Here is the evidence, the battery-life trade-off, and who should choose it.
If you train long enough, most “new” exercises eventually feel like remixes of things you’ve already done. Dumbbell pullovers are the rare exception. They look
If maximal strength is your “one big punch” quality, aerobic endurance is everything that happens after the first punch. It’s your ability to keep moving, keep thinking
If you coach in 2026, you’re basically living inside a wearable marketing war. Apple Watch promises health, ECG, and VO₂, WHOOP promises strain and recovery,
Every coach knows this athlete. Athlete A looks smooth in warm‑up, can run all day, barely breathing, but when it’s time for a brutal 10
Most training plans are written like weather forecasts made a month in advance: they look clean on paper and then reality shows up with its
