Rental Yield Calculator
Estimate gross yield, net yield, cash flow, and ROI.
Open toolSerumsFit tools
Calculators and trackers for clearer decisions.
Browse every available calculator, tracker, and planner in the app.
Financial Wellness
Compound Growth Calculator
Project long-term growth from contributions and returns.
Open toolDebt Payoff Planner
Compare repayment plans and track debt-free timing.
Open toolRetirement Number Calculator
Find the savings target behind your retirement income goal.
Open toolSide Hustle Tracker
Measure income, costs, time, and effective hourly return.
Open toolNet Worth Tracker
Map assets, liabilities, and net worth progress.
Open toolPerformance
Recovery
Health Series
Longevity Score Calculator
Estimate a lifestyle score across core longevity habits.
Open toolMetabolism Tracker
Calculate BMR, TDEE, macros, glucose trends, and meal timing.
Open toolCardiovascular Health Tracker
Track risk, blood pressure, heart rate, Zone 2 minutes, and lipids.
Open toolHormone Health Tracker
Map symptom axes, cortisol rhythm, labs, and lifestyle factors.
Open toolInflammation & Immunity Tracker
Assess inflammation symptoms, diet quality, lifestyle, and lab trends.
Open toolWomen's Series
Apex Scholar
Goal Mastery Planner
Plan goals with milestones, progress, and focus priority.
Open toolWeekly Reset Planner
Review the week and set priorities, intentions, and habits.
Open toolAcademic Year Planner
Track subjects, assignments, deadlines, and projected grades.
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