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Best Weight Loss Tracker Diary Apps

245+ iOS apps curated and reviewed

4.5 avg rating
18 free apps
Updated August 2026

Looking for free weight loss tracker diary apps? 18 of our 245+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Weight Loss Tracker Diary Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Weight Diary LiteWeight Diary LiteFree4.8★ (7.1K)YesNoAug 2026
2WeightDrop Weight Loss TrackerWeightDrop Weight Loss TrackerFree4.8★ (3.9K)YesYesAug 2026
3WeightWatchers ProgramWeightWatchers ProgramFree4.8★ (2.4M)YesYesAug 2026
4Happy ScaleHappy ScaleFree4.9★ (58K)NoYesAug 2026
5Weigh In: Weight TrackerWeigh In: Weight TrackerFree4.7★ (585)NoNoAug 2026
6My Diet Coach - Weight LossMy Diet Coach - Weight LossFree4.6★ (25K)YesYesAug 2026
7Weight Loss Simple Tracker AppWeight Loss Simple Tracker AppFree4.7★ (2.2K)YesYesAug 2026
8Weight Tracker - Weight DiaryWeight Tracker - Weight DiaryFree4.0★ (2)NoYesJul 2026

Top Picks for Weight Loss Tracker Diary

Weight Diary Lite#1

Weight Diary Lite by CURLYBRACE APPS LTD

daily weight loss tracker
Editor's Choice
💪 Health & Fitness
4.8😊(7.1K ratings)
FreeAds
Weight Diary Lite screenshot 1
Weight Diary Lite screenshot 2
Weight Diary Lite screenshot 3
Weight Diary Lite screenshot 4

Track your weight loss journey with this intuitive app. It helps you monitor daily weight entries, visualize progress with a trend line, and estimate time to reach your goals without calorie counting. Includes calculators for goals and calories, plus privacy features.

What We Love

  • 👍 Simple and easy to use
  • 📊 Helpful visual graphs and trends
  • 🎯 Effective for tracking weight loss/gain
  • 💪 Motivating and encouraging

Room to Improve

  • 🐛 Occasional data loss or reset issues
  • 🔍 Limited features compared to paid version
  • 💰 Ads can be intrusive in free version
WeightDrop Weight Loss Tracker#2

WeightDrop Weight Loss Tracker by VisualHype GmbH

Health Journal, Log & Diary
Strong Contender
💪 Health & Fitness
4.8😊(3.9K ratings)
FreeAdsIn-App Purchases
WeightDrop Weight Loss Tracker screenshot 1
WeightDrop Weight Loss Tracker screenshot 2
WeightDrop Weight Loss Tracker screenshot 3
WeightDrop Weight Loss Tracker screenshot 4

This app helps you track your weight journey, whether you aim to lose or gain. It offers a simple interface for daily logging, history review, and progress visualization towards your goals. Features include reminders, unit support, and integration with health platforms.

What We Love

  • 👍 Easy to use
  • 📊 Helpful visual tracking
  • 🔄 Daily weight reminders
  • 💪 Motivating to see progress

Room to Improve

  • 🔢 Rounding issues with weight input
  • 🗓️ Can't adjust start date
  • 🤖 Outdated UI/UX
WeightWatchers Program#3

WeightWatchers Program by WW International, Inc.

Weight Loss and Better Health
Worth Considering
💪 Health & Fitness
4.8😊(2.4M ratings)
FreeAdsIn-App Purchases
#20in Health & Fitness
WeightWatchers Program screenshot 1
WeightWatchers Program screenshot 2
WeightWatchers Program screenshot 3
WeightWatchers Program screenshot 4
WeightWatchers Program screenshot 5
WeightWatchers Program screenshot 6

This app offers a science-backed weight loss tracker and personalized diet plans. It includes specialized support for weight-loss medications, AI-powered progress tracking beyond the scale, and flexible tools for various weight management goals. Connect with coaches and a supportive community for lasting results.

What We Love

  • 🚀 Biggest little helper ever
  • 🚀 Tracking made easy
  • 👍 Keeps me accountable
  • 👍 Motivating

Room to Improve

  • 🐛 Bugs and glitches
  • 🐛 Inconsistent food database
  • 🐛 Difficulty finding/adding foods

More Weight Loss Tracker Diary apps to explore

4
Happy Scale
Happy Scale
Happy Scale
Weight Loss Tracker
Free

This app helps you understand your weight loss journey by analyzing scale fluctuations. It smooths out daily variations to reveal your true progress, predict future weights, and break down goals into manageable milestones.

See true progress with mathematical analysisSmooth out weigh-in fluctuationsPredict future weight
💪 Health & Fitness
(58K)
subscription
5
Weigh In: Weight Tracker
Weigh In: Weight Tracker
Weigh In: Weight Tracker
The simple weight tracker
Free

Easily monitor your weight progress with this straightforward tracker. Log your weight regularly, set personal goals, and visualize your journey with customizable graphs. Personalize your experience with themes and icons, and integrate with the iOS Health app.

Track weight loss or gainSet target weightAdd notes to weigh-ins
💪 Health & Fitness
(585)
free
6
My Diet Coach - Weight Loss
My Diet Coach - Weight Loss
My Diet Coach - Weight Loss
Food tracker, calorie counter
Free

This app helps you lose weight by tracking your calorie intake and macronutrients. It offers a food diary, various diet plans, recipes, and daily recaps to guide your journey. Integrate with health apps for a comprehensive view of your progress.

Daily food diaryMacro trackerCalorie counting
💪 Health & Fitness
(25K)
subscription
7
Weight Loss Simple Tracker App
Weight Loss Simple Tracker App
Weight Loss Simple Tracker App
Track daily goals & motivation
Free

This app helps users track their weight loss journey by recording daily weight, body fat percentage, and BMI. It offers visual progress tracking with graphs and avatar changes, along with reminders and notes to stay motivated. Premium features include an ad-free experience, data backup, and enhanced customization options.

Record weight and body fat percentageAutomatic BMI calculationAvatar changes with BMI level
💪 Health & Fitness
(2.2K)
freemium
8
Weight Tracker - Weight Diary
Weight Tracker - Weight Diary
Weight Tracker - Weight Diary
The simple weight loss tracker
Free

Easily record, track, and analyze your weight progress with this intuitive application. It offers a stylish interface, dark mode, and the ability to share your logs with friends. No sign-up is required to start managing your weight journey.

Record weight logsTrack weight progressAnalyze weight information
💪 Health & Fitness
(2)
freemium
9
WeightFit: Weight Loss Tracker
WeightFit: Weight Loss Tracker
WeightFit: Weight Loss Tracker
Weight Diary, BMI Calculator
Free

Log your body weight, monitor progress, and achieve your fitness goals with this intuitive weight diary. Features include a clean dashboard, trend charts, and a BMI calculator. Seamlessly track your journey on iPhone and Apple Watch.

Weight logging and progress trackingBMI calculator with classificationsTrend charts and detailed statistics
💪 Health & Fitness
(409)
free
10
Jabby: GLP-1 Shot Tracker
Jabby: GLP-1 Shot Tracker
Jabby: GLP-1 Shot Tracker
Dose, weight & side-effect log
Free

This app helps users track their GLP-1 medication journey, logging shots, weight changes, and side effects. It provides automatic reminders, dose plans, and community support, all while prioritizing user privacy with local data storage.

Log GLP-1 shots with dose and siteAutomatic weekly dose remindersTrack weight trends with charts
💪 Health & Fitness
(0)
free
11
Value Diary - Weight Loss Diet
Value Diary - Weight Loss Diet
Value Diary - Weight Loss Diet
Food, Exercise, Weight Tracker
Free

This app helps you achieve your weight loss goals by providing personalized diet plans, easy food tracking with a barcode scanner, and progress monitoring. It supports various diet types and integrates with fitness trackers.

Personalized weight loss plansFood and exercise trackingBarcode scanner for food items
💪 Health & Fitness
(3.6K)
free with in-app purchases
12
Found – Weight Care
Found – Weight Care
Found – Weight Care
Weight care, your way
Free

This app offers a personalized weight care program designed to help users achieve sustainable results. It facilitates communication with a health coach, tracks daily routines, and provides support for navigating lifestyle changes and challenges.

Personalized care programDaily updates with health coachTrack routines and reflections
💪 Health & Fitness
(8.7K)
ad-supported
13
ControlMyWeight
ControlMyWeight
ControlMyWeight
Weight Loss Calorie Counter
Free

Track your food intake and exercise to achieve your weight goals. This app offers a comprehensive food database, barcode scanning, and progress charts to help you manage weight loss, gain, or maintenance. It supports offline use and detailed nutritional tracking.

Personalized calorie and workout targetsAccurate food databaseBarcode scanner
💪 Health & Fitness
(24K)
free with in-app purchases
14
Daily Tracker for Weight Loss
Daily Tracker for Weight Loss
Daily Tracker for Weight Loss
Calorie Counter & Food Diary
$0.99

This app helps you lose weight by tracking your food intake and exercise. It uses a budgeting system where food costs are subtracted from your daily and weekly allowances, with exercise earning you bonus points. Features a large food database and exercise list to support your goals.

Daily food budget and weekly bonus systemSearchable 5000+ food databaseExtensive searchable exercise list
💪 Health & Fitness
(10)
free
15
Weight loss tracker - BMI
Weight loss tracker - BMI
Weight loss tracker - BMI
Daily weight loss tracker
Free

Monitor your weight and calculate your BMI with this user-friendly app. Log daily measurements, add notes, pictures, and track your progress with charts. Set goals and stay motivated on your health journey.

Daily weight loggingBMI calculationProgress charts
💪 Health & Fitness
(1K)
ad-supported
16
Weight Loss Tracker - Scaler
Weight Loss Tracker - Scaler
Weight Loss Tracker - Scaler
BMI Calculator, Diary, Goals
Free
💪 Health & Fitness
(0)
17
Body Weight Loss Tracker With Record Chart And Log
Body Weight Loss Tracker With Record Chart And Log
Body Weight Loss Tracker With Record Chart And Log
Monitor Your Weight
Free

Easily monitor your daily body weight with this intuitive tracker. Visualize your progress towards your goals with clear charts and logs. Supports both pounds and kilograms, with helpful reminders to keep you on track.

Daily body weight trackingProgress graph against goalQuick weight recording
💪 Health & Fitness
(204)
free with in-app purchases
18
Weight Diary
Weight Diary
Weight Diary
daily weight loss tracker
$7.99

Track your weight loss journey with a clear trend line to visualize progress. Log daily weights, estimate loss rates, and plan for your goals. Supports custom start dates and integrates with health platforms.

Daily weight loggingClear trend line visualizationProgress and goal tracking
💪 Health & Fitness
(2.6K)
free
19
Weight Tracker - Daily Weight
Weight Tracker - Daily Weight
Weight Tracker - Daily Weight
Track Weight & Reach Goals
Free

This app helps users track their weight loss journey with visual charts and simple daily logging. It allows setting weight goals, analyzing trends, and logging diet, exercise, and water intake. A diary feature lets users record emotions and physical feelings alongside their weight.

Weight trend chartsDaily weight loggingWeight goal setting
💪 Health & Fitness
(3)
free with in-app purchases
20
Weight Tracking Diary App
Weight Tracking Diary App
Weight Tracking Diary App
Weight, BMI & Body Tracker
Free

This app simplifies body weight management by allowing manual logging or automatic capture of readings from over 120 supported smart scales. It tracks various body composition parameters, medication intake, and vital signs, offering data analysis and cloud backup options.

Log body weight and BMITrack over 16 body composition parametersAutomatic data capture from 120+ smart scales
💪 Health & Fitness
(9)
freemium

FAQ about Weight Loss Tracker Diary

What are the best weight loss tracker diary apps for iPhone?
Weight Diary Lite tops our weight loss tracker diary apps ranking as of August 2026, with a 4.8-star average from 7.1K App Store ratings, and it's free to download.
Yes — 18 of the top weight loss tracker diary apps we rank are free to download, including Weight Diary Lite and WeightDrop Weight Loss Tracker.
Weight Diary Lite shows ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 245+ weight loss tracker diary apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Weight Diary Lite is a daily weight loss tracker that helps you monitor your progress. You simply enter your weight each day, and the app visualizes your progress with a trend line, estimates how long it will take to reach your goal, and provides BMI information.
Key features include daily weight tracking, a trend line to cut through fluctuations, goal and calorie calculators, BMI display, a date slider for easy navigation, privacy options like password protection, and data backup/export capabilities. It also supports various units for weight and calories.