Blog

Insights, tutorials, and updates from the Bodly team. Learn better body tracking, sustainable habits, and practical ways to measure progress.

How Accurate Is Apple Watch Calorie Tracking? (What the Research Says)
16 min read

How Accurate Is Apple Watch Calorie Tracking? (What the Research Says)

Apple Watch measures heart rate within a few percent and calories within about 20-40%. Here's why the gap is so large, which activities it gets most wrong, how to calibrate it, and how to use the number without wrecking your deficit.

Garmin Body Battery Explained (And How to Get It on Apple Watch)
16 min read

Garmin Body Battery Explained (And How to Get It on Apple Watch)

What Body Battery actually measures, how Garmin calculates it from HRV, stress and sleep, what a normal range looks like, why yours never hits 100 - and how to get the same energy score from an Apple Watch.

How to Increase HRV: What Actually Works (Ranked by Effect Size)
16 min read

How to Increase HRV: What Actually Works (Ranked by Effect Size)

Most HRV advice is a list of twenty things with no sense of which matter. Here they are ranked by effect size and time-to-effect, plus the troubleshooting order for a low HRV and how long to wait before judging a change.

How to Take Body Measurements (Correctly) for Weight Loss & Muscle Gain
17 min read

How to Take Body Measurements (Correctly) for Weight Loss & Muscle Gain

Where to put the tape, how tight to pull it, which sites actually matter for men and women, how often to remeasure, and how to read the numbers so a 1 cm change means something.

Low Cardio Fitness on Apple Watch: What It Means & How to Fix It
17 min read

Low Cardio Fitness on Apple Watch: What It Means & How to Fix It

Got a 'Low Cardio Fitness' notification from your Apple Watch? Here's exactly what the number is, why it's usually lower than reality, the five setup mistakes that fake a low score, and the training that actually raises it.

Calorie Deficit but Gaining Weight: What Is Happening?
11 min read

Calorie Deficit but Gaining Weight: What Is Happening?

If you are in a calorie deficit but gaining weight, water retention, tracking errors, digestion, training stress, or a short time window may be hiding fat loss.

Losing Inches but Not Weight: Why the Scale Is Not Moving
11 min read

Losing Inches but Not Weight: Why the Scale Is Not Moving

If your measurements are going down but your scale weight is stuck, you may be losing fat, gaining muscle, holding water, or seeing normal weight noise.

What Is Body Recomposition? Lose Fat and Build Muscle
11 min read

What Is Body Recomposition? Lose Fat and Build Muscle

Body recomposition means losing fat and gaining muscle at the same time. Learn how it works, who it suits, and how to track progress beyond the scale.

Good HRV by Age: What's Normal & Is Yours Healthy?
9 min read

Good HRV by Age: What's Normal & Is Yours Healthy?

A good HRV depends on your age, sex, and fitness - not a universal number. Use the age chart, the percentile method, and a 3-step check to see if your heart rate variability is healthy for you.

Lose It vs MyFitnessPal vs Cronometer (2026)
16 min read

Lose It vs MyFitnessPal vs Cronometer (2026)

Compare Lose It, MyFitnessPal, Cronometer, and Bodly for calories, macros, weight tracking, measurements, progress photos, and recovery-style health metrics.

Best WHOOP Alternatives in 2026
10 min read

Best WHOOP Alternatives in 2026

Compare the best WHOOP alternatives for sleep, recovery, readiness, training, stress tracking, and broader health progress.

5 Ways to Stay Motivated on Your Fitness Journey
13 min read

5 Ways to Stay Motivated on Your Fitness Journey

Stay motivated on your fitness journey with specific goals, visual tracking, community support, and habit-building strategies for lasting success.

10 Tips for Effective Body Tracking with Bodly
18 min read

10 Tips for Effective Body Tracking with Bodly

Unlock your fitness potential with practical tips for accurate body tracking using advanced technologies and strategic goal-setting.

Transform Your Health: Benefits of Regular Tracking
12 min read

Transform Your Health: Benefits of Regular Tracking

Regularly tracking your health metrics transforms vague goals into measurable milestones, providing clarity and motivation for better results.

Best Free MyFitnessPal Alternatives (2026)
10 min read

Best Free MyFitnessPal Alternatives (2026)

Compare the best free MyFitnessPal alternatives for calorie tracking, macros, barcode logging, weight trends, measurements, recovery, and progress photos.

How to Measure Body Fat in 2026: A Complete Guide
9 min read

How to Measure Body Fat in 2026: A Complete Guide

Compare DEXA, Bod Pod, BIA scales, skinfold calipers, tape measurements, and progress photos so you can measure body fat more consistently.

Why Bodly Is The Best Body Tracking App in 2026
10 min read

Why Bodly Is The Best Body Tracking App in 2026

See why Bodly is a strong body tracking app if you want calories, measurements, weight, progress photos, and recovery-style metrics in one place.

7 Best Free Weight & Weight Loss Tracker Apps (2026)
10 min read

7 Best Free Weight & Weight Loss Tracker Apps (2026)

Compare the best free weight and weight loss tracker apps for daily weigh-ins, trend smoothing, calorie logging, body measurements, progress photos, and full-body progress tracking.