BMI Manager vs RunSolver

BMI housekeeper is a software that records the user's height and weight and calculates BMI automatically. The software supports adding multiple user information, can set the user's height/weight goal, record the height and weight data of different periods, and support synchronous saving data to the health application. Main functions: 1. User management, you can add multiple different users, set different height/weight goals, user switching, etc. 2. Add and manage height/weight data, and calculate BMI automatically. 3. Chart display of height, weight and BMI data. 4. Display user information at a glance. 5. Switch height/weight units. 6. Support dark mode, password protection, data backup, theme color switch, etc.

RunSolver is the runner's toolkit — built for calculating, not tracking. Whether you're planning a race, dialing in your splits, or predicting a finish time, RunSolver gives you fast, focused tools that work together. Enter your distance and time once, and every screen updates — pace, splits, predictions, and workouts all stay in sync. PACE CALCULATOR Pick a distance or enter your own, set a finish time, and instantly see your pace, speed, and converted units. Clean, simple, no clutter. SPLIT GENERATOR Generate per-km or per-mile splits with even, negative, or positive split strategies. Visualize your pace curve and share a race card image with friends. RACE PREDICTOR Use the Riegel formula to predict finish times across distances — from the mile to 50K. Adjust for fitness level and see your age grade percentage. WORKOUT BUILDER Choose from smart templates (intervals, tempo, long run, speed work) with paces derived from your target race time. Or build a fully custom workout and save it for later. TOOLS - Pace conversion (min/km to min/mi and back) - Training pace zones from your threshold - Treadmill speed to outdoor pace - Boston Qualifier calculator - Race comparison (planned vs actual) - Personal records tracker DESIGNED FOR RUNNERS - Dark theme, clean interface - Wheel pickers for fast time entry - km/mi toggle everywhere - Shareable race plan cards - All calculations happen instantly — no loading, no accounts, no tracking RunSolver is 100% free with no ads. Run the numbers.