Tags are one of our most versatile features. They allow us to address a wide range of use cases, from adding exercise variations to managing
Welcome to the Spleeft App, your personal assistant for tracking and improving your strength and power through velocity based training (VBT). Whether you’re a beginner
One of the best things about resistance training is that every workout is a testing session. Why? If you want to improve your strength, you
Our users can now enjoy our new feature: record workouts and enjoy metrics like heart rate, active energy or our automatic rest timer from the
Some weeks ago, we published a proof white paper which explaining everything about our algorithm, the technology behind it and lots of data proving why
This update will allow users with Apple Watch 8 and newer to measure barbell velocity and jump height with 200 data per second. For all
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
