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Best Weight Loss Diary Apps

248+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated September 2026

Looking for free weight loss diary apps? 20 of our 248+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Weight Loss Diary Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Casual dietingCasual dietingFree was $0.994.8★ (2.9K)YesYesSep 2026
2Weight Diary LiteWeight Diary LiteFree4.8★ (7.2K)YesNoSep 2026
3My Diet Coach - Weight LossMy Diet Coach - Weight LossFree4.6★ (25K)YesYesSep 2026
4Happy ScaleHappy ScaleFree4.9★ (58K)NoYesSep 2026
5WeightTracker - Loss DiaryWeightTracker - Loss DiaryFree—NoYesAug 2026
6Weight Loss Simple Tracker AppWeight Loss Simple Tracker AppFree4.7★ (2.2K)YesYesSep 2026
7ControlMyWeightControlMyWeightFree4.6★ (24K)YesYesSep 2026
8PEP : Body diary - weight lossPEP : Body diary - weight lossFree—NoYesAug 2026

Top Picks for Weight Loss Diary

Casual dieting#1

Casual dieting by UNITED, Inc.

Editor's Choice
💪 Health & Fitness
4.8😊(2.9K ratings)
FreeAdsIn-App Purchases
Casual dieting screenshot 1
Casual dieting screenshot 2
Casual dieting screenshot 3
Casual dieting screenshot 4
Casual dieting screenshot 5

This weight management app uses charming Japanese illustrations to support your journey. Track your weight, body fat, and meals with a comprehensive journal featuring over 100 unique stickers. Unlock more stickers and use them as wallpapers to stay motivated.

What We Love

  • 💎 Minimalistic Design
  • 💕 Cute Stickers and Wallpapers
  • 🔒 Password Protection
  • 📈 Helpful Graphs and Tracking
  • 🗓️ Useful Diary Feature
  • 🎨 Aesthetically Pleasing
  • 🤗 Motivating and Encouraging

Room to Improve

  • 🐛 Occasional Bugs and Glitches
  • 💢 Annoying Ads and Password Prompts
  • 🔢 Limited Customization Options
  • 📊 Lack of Advanced Analytics
Weight Diary Lite#2

Weight Diary Lite by CURLYBRACE APPS LTD

daily weight loss tracker
Strong Contender
💪 Health & Fitness
4.8😊(7.2K 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
  • 🔒 Secure with password protection option

Room to Improve

  • 🐛 Occasional data loss or reset issues
  • 🔍 Limited features compared to paid version
  • 💰 Ads can be intrusive in free version
My Diet Coach - Weight Loss#3

My Diet Coach - Weight Loss by Mosaic S.r.l.

Food tracker, calorie counter
Worth Considering
💪 Health & Fitness
4.6😊(25K ratings)
FreeAdsIn-App Purchases
My Diet Coach - Weight Loss screenshot 1
My Diet Coach - Weight Loss screenshot 2
My Diet Coach - Weight Loss screenshot 3
My Diet Coach - Weight Loss screenshot 4
My Diet Coach - Weight Loss screenshot 5
My Diet Coach - Weight Loss screenshot 6

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.

What We Love

  • 🚀 Easy to use
  • 👍 Motivational features
  • 🎨 Fun avatar customization
  • 📊 Helpful tracking and progress
  • 💧 Useful water intake reminders

Room to Improve

  • 🐛 Syncing issues with fitness trackers
  • 💰 Expensive premium subscription
  • 🤔 Limited food database for non-US users
  • 🤖 Avatar customization options could be improved
  • 🔄 Inconsistent data sync across devices

More Weight Loss Diary apps to explore

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FAQ about Weight Loss Diary

What are the best weight loss diary apps for iPhone?
Casual dieting tops our weight loss diary apps ranking as of September 2026, with a 4.8-star average from 2.9K App Store ratings, and it's free to download.
Yes — 20 of the top weight loss diary apps we rank are free to download, including Casual dieting and Weight Diary Lite.
Casual dieting shows ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 248+ weight loss diary apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app helps you manage your weight through a combination of tracking and journaling. It features cute Japanese illustrations that change based on your weight progress, providing a more engaging and less discouraging experience than traditional apps. You can log your weight, body fat, meals, and daily happenings.
Key features include cute, dynamic illustrations on graphs that adapt to your weight changes, a comprehensive journal function for tracking weight, body fat, meals, and daily events, and over 100 unique stickers to personalize your journal entries. You can also use these stickers as downloadable wallpapers.