Best Body Fat Tracking Apps

244+ iOS apps curated and reviewed

4.0 avg rating
20 free apps
Updated October 2026

Whether you're new to body fat tracking or looking for an upgrade, our curated collection of 244+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Body Fat Tracking Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Weight Loss Tracker: Lose FatWeight Loss Tracker: Lose FatFree4.7★ (7)NoYesOct 2026
2Spren Body Composition ScannerSpren Body Composition ScannerFree4.7★ (1.5K)NoYesOct 2026
3Body Fat Tracker & CalculatorBody Fat Tracker & CalculatorFree—NoYesMay 2026
4Vscale: Body Scan & TrackerVscale: Body Scan & TrackerFree4.8★ (987)NoYesOct 2026
5trackBod - AI Body ScantrackBod - AI Body ScanFree4.8★ (1.1K)NoYesOct 2026
6PhysiqueAI - Body Fat TrackerPhysiqueAI - Body Fat TrackerFree—YesYesMay 2026
7Body Fat calculator & TrackerBody Fat calculator & TrackerFree—NoNoOct 2026
8Body Fat Calculator (PRO)Body Fat Calculator (PRO)Free—NoYesSep 2026

Top Picks for Body Fat Tracking

Spren Body Composition Scanner#2

Spren Body Composition Scanner by Elite HRV Inc

Measure Body Fat Percentage
Strong Contender
💪 Health & Fitness
4.7😐(1.5K ratings)
FreeIn-App Purchases
Spren Body Composition Scanner screenshot 1
Spren Body Composition Scanner screenshot 2
Spren Body Composition Scanner screenshot 3
Spren Body Composition Scanner screenshot 4
Spren Body Composition Scanner screenshot 5
Spren Body Composition Scanner screenshot 6

This app uses your smartphone to measure body fat percentage, BMI, and body composition. It provides detailed health reports, tracks weight loss, and offers personalized nutrition plans, acting as a smart scale alternative with research-grade analysis.

What We Love

  • 👍 Easy to operate
  • 🚀 Motivating
  • 👍 Incredible app
  • 👍 Accurate
  • 👍 Talks you through the scan
  • 👍 Helpful tool
  • 👍 Valuable tool
  • 👍 Good starting point
  • 👍 Nice app for body scan
  • 👍 Good interface
  • 👍 Vital component of maintaining health
  • 👍 Non-complicated yet very informative
  • 👍 Easy to use health analysis
  • 👍 Easy to set up and rapid results
  • 👍 Pretty accurate

Room to Improve

  • 🐛 No login possible
  • 🐛 Doesn't work
  • 🐛 Measurements are nowhere close to DEXA scans
  • 🐛 Can't delete account
  • 🐛 Useless
  • 🐛 Gimmicky at best
  • 🐛 Impossible to get a reading since last update
  • 🐛 App crashes when trying to set weight above 245lbs
  • 🐛 Buggy
  • 🐛 Bad image recognition
  • 🐛 Doesn't scan under any circumstances

More Body Fat Tracking apps to explore

FAQ about Body Fat Tracking

What are the best body fat tracking apps for iPhone?
Weight Loss Tracker: Lose Fat tops our body fat tracking apps ranking as of October 2026, with a 4.7-star average from 7 App Store ratings, and it's free to download.
Yes — 20 of the top body fat tracking apps we rank are free to download, including Weight Loss Tracker: Lose Fat and Spren Body Composition Scanner.
Weight Loss Tracker: Lose Fat has no ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 244+ body fat tracking apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.