Best Weight Loss Diary Apps

249+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated October 2026

Looking for free weight loss diary apps? 20 of our 249+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Weight Loss Diary Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Casual dietingCasual dietingFree4.8★ (2.9K)YesYesOct 2026
2Weight Diary LiteWeight Diary LiteFree4.8★ (7.2K)YesNoSep 2026
3Simple: AI Weight Loss CoachSimple: AI Weight Loss CoachFree4.7★ (406K)NoYesOct 2026
4Found – Weight CareFound – Weight CareFree4.7★ (8.8K)NoNoSep 2026
5Weight Loss Diary: MilensWeight Loss Diary: MilensFree—NoYesSep 2026
6Happy ScaleHappy ScaleFree4.9★ (58K)NoYesOct 2026
7WeightTracker - Loss DiaryWeightTracker - Loss DiaryFree—NoYesAug 2026
8Weight Loss Simple Tracker AppWeight Loss Simple Tracker AppFree4.7★ (2.2K)YesYesSep 2026

Top Picks for Weight Loss Diary

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
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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
Simple: AI Weight Loss Coach#3

Simple: AI Weight Loss Coach by AM APPS

Build a Healthy Body for Life
Worth Considering
💪 Health & Fitness
4.7😊(406K ratings)
FreeIn-App Purchases
#83in Health & Fitness
Simple: AI Weight Loss Coach screenshot 1
Simple: AI Weight Loss Coach screenshot 2
Simple: AI Weight Loss Coach screenshot 3
Simple: AI Weight Loss Coach screenshot 4
Simple: AI Weight Loss Coach screenshot 5
Simple: AI Weight Loss Coach screenshot 6

This app offers personalized weight loss plans, real-time nutrition analysis via photo, and AI-driven coaching. It focuses on making healthy habits fun and sustainable without extreme restrictions or calorie counting.

What We Love

  • 🚀 Engaging app
  • 👍 Helpful tools
  • 👍 Supportive IF app
  • 👍 Keeps user accountable
  • 👍 Motivates user
  • 👍 Intuitive and user-friendly
  • 👍 Provides useful information and insights
  • 👍 Customizable fasting schedule
  • 👍 Tracks progress effectively

Room to Improve

  • 🐛 Difficulty navigating and logging food/fasting
  • 🐛 Inaccurate food analysis and tracking
  • 🐛 Glitchy and unreliable
  • 🔒 Questionable billing and subscription practices
  • 🐛 Cluttered and confusing interface
  • 🐛 Limited food database

More Weight Loss Diary apps to explore

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 October 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 October 2026.
We track 249+ weight loss diary apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.