Comparison

Lock In vs Simple Weight Tracker App

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Lock In

This app uses AI to analyze your meals from photos, providing personalized insights into your body's patterns to help you reach your weight loss goals. It focuses on data-driven progress and aims for you to succeed and move on, offering a clean, ad-free experience.

Highlights
  • AI photo meal recognition
  • Instant calorie and macro extraction
  • Personalized weekly body insights
  • Data-driven pattern analysis
  • Clean, ad-free interface
  • Privacy-focused data handling
Features
Read full description

LOCK IN: FINALLY, A WEIGHT LOSS APP THAT WANTS YOU TO SUCCEED You've tried diet apps before. They're cluttered with ads. They push supplements. Manual food entry takes forever. Generic advice doesn't work for YOUR body. Worst of all? They're designed to keep you subscribed forever, not help you succeed. WHAT THIS REALLY COSTS YOU Every day you spend manually searching food databases is time away from your family. Every ad you scroll past is a distraction from your actual goal. Every generic tip that doesn't work for your body is wasted effort. You're busy. You're over 30. You're a professional, maybe a new parent. You don't have time for apps that waste your time. You need something that works. Fast. Then gets out of your way. HERE'S THE SOLUTION Lock In: The App Designed For You To Hit Your Goals AI Does the Heavy Lifting Snap a photo of your meal. Our AI extracts calories, macros, and ingredients in 30 seconds. No searching. Just results. Get Insights About YOUR Body Weekly AI analysis finds patterns unique to you: "Your weekends average 800 cal over target" "High-protein days keep you on track" "Thursday stress eating pattern detected" Not generic advice. YOUR data. YOUR patterns. WHY LOCK IN IS DIFFERENT No Ads, Ever - Clean interface, zero distractions AI-Powered - Photo to macros in seconds Real Insights - Patterns unique to YOUR body YOUR 3-6 MONTH COMMITMENT Month 1: Build the Habit Smart notifications help you track consistently. AI starts learning your patterns. Month 2-3: Get Insights Weekly insights show what actually affects YOUR weight. Monthly wrap-ups reveal trends. You adjust based on data, not guessing. Month 4-6: Hit Your Goal You're locked in. The data is clear. You know what works for your body. You hit your target weight. Graduation: Move On You're done. Keep your data or delete everything. That's success. WHAT YOU GET Smart Food Tracking AI photo recognition for instant macros Ingredient extraction for details Fast manual entry when needed Complete meal history Weekly AI Insights Pattern recognition in your eating Correlation analysis between food and weight Personalized observations Actionable recommendations Tasteful Gamification Unlock insights as you track Celebrate meaningful milestones Real progress indicators Privacy First Your data stays yours No sharing required No social features Delete anytime WHO THIS IS FOR You'll succeed with Lock In if you: Want to lose 10-50 lbs Can commit to tracking for 3-6 months Prefer data over motivational fluff Want a clean, focused tool Plan to succeed and move on WHO THIS ISN'T FOR Skip Lock In if you want: Community support or social features Daily coaching calls A forever lifestyle app Generic motivation instead of insights YOUR PRIVATE HYPE PERSON Friends don't understand why nailing your macros matters. We do. We celebrate what others don't see: "6 days within 50 cal of target—precision" "Tracked lunch during meetings—commitment" "7 days hitting protein—real consistency" Because the work deserves recognition. WHAT HAPPENS WHEN YOU DOWNLOAD Day 1: Set your goal and baseline weight Day 1-7: Start tracking with AI photos Day 7: Get your first weekly insight Day 30: Read your first monthly wrap-up Day 90-180: Hit your goal and graduate THE GUARANTEE We don't want your money forever. We want you to succeed and leave. No ads. No upsells. No BS. Just AI-powered tracking, real insights, and results. STOP WASTING TIME ON APPS THAT DON'T WORK Download Lock In now. Commit for 3-6 months. Learn what actually works for YOUR body. Hit your goal. Graduate. READY TO LOCK IN? Start your commitment today. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Simple Weight Tracker App

Easily log your daily weight and visualize your progress over time. This app helps you spot trends, build healthy habits, and achieve your weight goals with a simple, private interface. Unlock advanced features like charts and unlimited history with a subscription.

Highlights
  • Daily weight logging
  • Progress over time visualization
  • Trend spotting
  • Goal setting (lose, gain, maintain)
  • Data export
  • 100% private data storage
Read full description

Simple Weight Tracker is the easiest way to log your weight every day and watch your progress over time. Why daily tracking works: • People who weigh themselves daily are 7x more likely to reach their goal • Spot trends before they become problems • Build one tiny habit instead of complicated diets Features: • Simple weight chart with trends • Daily history at a glance • Lose, gain, or maintain weight goals • Export your data anytime • 100% private. Your data never leaves your device Weight Tracker is free to download. Access to charts, trend analysis and unlimited history requires an auto-renewable subscription. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://simpleweighttracker.app/privacy

Screenshots

Lock In4 screens
Simple Weight Tracker App4 screens

Verdict

The call

The clearest difference is rating: Lock In at 5.0 against Simple Weight Tracker App's 3.0. Lock In also leads on monetization model (free vs freemium). On price, ratings volume, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Lock In sells 4 in-app purchases, starting at $6.99 per month and Simple Weight Tracker App sells 2 in-app purchases, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Lock In holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

Scorecard2 real differences · 8 level
Lock In versus Simple Weight Tracker App: the parameters behind the verdict, then further details
ParameterLock InSimple Weight Tracker App
PriceFreeFree
Rating5.0 (2 ratings) — better3.0 (2 ratings)
Positive reviews100.0% of reviews—
Number of ratings22
Update frequency—Every 10 days
AdsNoNo
In-app purchasesYesYes
MonetizationFree — betterFreemium
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.115.1
Further details — not scored
Size54 MB40 MB
Age rating4+17+
DeveloperChris LuPablo Sanchez Lorente

In-app purchases

4 purchases

Lock In

Subscriptions4
  • Monthly$6.991 Month
  • Yearly Gift$39.991 Year
  • Yearly Free Trial7 Days trial$59.991 Year
Show 1 more
  • Yearly$59.991 Year
2 purchases

Simple Weight Tracker App

Subscriptions2
  • Pro Weekly$9.997 Days
  • Pro 3 Months$19.993 Months

Questions

Is Lock In free?
Lock In is free to download, with in-app purchases available.
Is Simple Weight Tracker App free?
Simple Weight Tracker App is free to download, with in-app purchases available.
Which has better reviews, Lock In or Simple Weight Tracker App?
Lock In is rated higher. Lock In averages 5.0 out of 5 from 2 ratings, while Simple Weight Tracker App averages 3.0 from 2 ratings.
Do Lock In or Simple Weight Tracker App have ads?
Neither Lock In nor Simple Weight Tracker App shows ads.

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