https://musklr.com/blog/ Lifting, Apple Watch and training guides from the developer behind Musklr. en https://musklr.com/blog/2026/devlog/dogfooding-how-great-apps-are-made/ https://musklr.com/blog/2026/devlog/dogfooding-how-great-apps-are-made/ Dogfooding means using the software you build. Most developers never do, and it shows in the small details that only turn up when you use your own app every week. Fri, 31 Jul 2026 09:00:00 +0200 https://musklr.com/blog/2026/tutorial/how-to-build-bar-line-sparkline-radar-charts-with-swift-charts/ https://musklr.com/blog/2026/tutorial/how-to-build-bar-line-sparkline-radar-charts-with-swift-charts/ Which chart answers which question across bar, line, sparkline, radar and heatmap, and a playground you can paste into Xcode to build the whole thing yourself. Mon, 27 Jul 2026 09:00:00 +0200 https://musklr.com/blog/2026/devlog/apple-watch-iphone-workout-sync/ https://musklr.com/blog/2026/devlog/apple-watch-iphone-workout-sync/ An engineering devlog on the single source of truth behind wrist-to-phone workout sync, and the five real bugs we found and fixed, from a weight that snapped back to zero to a phantom extra set. Mon, 20 Jul 2026 09:00:00 +0200 https://musklr.com/blog/2026/feature/iphone-lock-screen-workout-tracking-live-activity/ https://musklr.com/blog/2026/feature/iphone-lock-screen-workout-tracking-live-activity/ Your current set, last session's numbers and a rest timer on the Lock Screen and Dynamic Island, without unlocking the phone. Sun, 12 Jul 2026 09:00:00 +0200 https://musklr.com/blog/2026/tutorial/swiftui-matchedgeometryeffect-hero-animation/ https://musklr.com/blog/2026/tutorial/swiftui-matchedgeometryeffect-hero-animation/ Why matchedGeometryEffect refused to scale our rest timer ring, the wrapper that fixed it, and a playground you can run yourself. Fri, 10 Jul 2026 09:00:00 +0200 https://musklr.com/blog/2026/compare/best-ios-weight-lifting-app-apple-watch/ https://musklr.com/blog/2026/compare/best-ios-weight-lifting-app-apple-watch/ Musklr vs Strong, Hevy, Jefit and Fitbod: price, exercises, Apple Watch, offline and ads compared. Wed, 01 Jul 2026 09:00:00 +0200