Comparison

The Difference vs FoodGem

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

Head to head
About

The Difference

This app helps you manage your weight by predicting your estimated weight change daily. It uses your food journal and activity log to provide personalized insights and a "True Burn" calculation for more accurate predictions. The longer you use it, the better it becomes at forecasting your weight.

Highlights
  • Daily weight change prediction
  • Personalized True Burn calculation
  • Extensive food database
  • Comprehensive activity logging
  • Simple and intuitive interface
  • Daily email and SMS results
Features
Read full description

The Difference App: Weight Management. Simplified. Tired of stepping on the scale and being surprised? The Difference is a calorie counter and weight loss tracker that gives you the power to know what you'll weigh tomorrow - before tomorrow arrives. By simply logging your meals in your food journal and exercise in your activity log, The Difference App instantly calculates your personalized calorie balance and predicts your weight change for the next day. No guesswork. No generic estimates. Just your data, working for you. Why The Difference App works when other apps don't: Most calorie apps tell you what you already did. The Difference tells you where you're headed. Key Features: • Predicted Weight Change: See exactly how today's choices will affect tomorrow's weight - updated in real time. • True Burn™ (Premium): Our proprietary AI learns your unique metabolism and calculates your actual daily calorie burn - not a one-size-fits-all estimate. • Activity Burn™ (Premium): Precision calorie calculations for your workouts, sports, household tasks, and more - using our proprietary formula. • AI Food Logging (Premium): Just snap a photo of your meal, use any image, or scan a barcode for effortless meal and nutrition tracking. Our AI recognizes and logs it instantly with remarkable precision - no searching, no typing. • 1.5 Million+ Food Records: Sourced from Nutritionix, the largest dietitian-verified nutrition database, plus unlimited custom entries so nothing goes untracked. • Full Macro Breakdown (Premium): Instantly see protein, carbs, fat, and more for everything you log - via food search, our new natural-language description tool, barcode scans, or AI Food Photos. • 1,000+ Activities: From gym sessions to everyday movement - every calorie counts. • Voice Logging: Just say it - log your weight, meals, or activities hands-free using your microphone. No typing required. • Detailed Daily Email & SMS Results (Premium): Your personalized daily summary delivered straight to your inbox and phone every morning. • Your All-In-One Diet App: Monitor your BMI and Body Fat Percentage, and stay on top of your healthy weight goals - all in one place. • Predictive, Intuitive, and Affordable: Built for real people. • Available in English and Spanish: Use the full app in whichever language you prefer. Flexible Plans for Every Goal: • Free: Access core features including generic formulas used for daily Predicted Weight Change. • Premium - $4.99/month or $24.99/year: Unlock True Burn™ and Activity Burn™, which improve your predictions, AI Food Photo Logging, Macro Tracking, and detailed Daily Email and SMS Results for the most accurate, most informed weight management experience possible. For less than a dollar a week, know exactly what you'll weigh tomorrow. Download The Difference App today and discover the power of knowing what you'll weigh tomorrow, today! Follow us @TheDiffApp on Social Media Read our Terms and Conditions: https://thedifferenceapp.com/terms-and-conditions/ Read our Privacy Policy: https://thedifferenceapp.com/privacy-policy/

About

FoodGem

Features
Read full description

Your AI Kitchen Assistant Everything You Need for Smarter Meals: Powerful AI-driven tools that make meal planning effortless and enjoyableScan your fridge. Get personalized meal plans. Shop smarter. FoodGem uses AI to transform how you plan, cook, and eat. Fridge Scanner Take a photo of your fridge and our AI instantly identifies all ingredients and adds them to your inventory. Always know what you have. AI Meal Planning Smart Grocery Shopping Compare prices across stores and get the best deals. Save money on every shopping trip.Get personalized meal plans based on your goals, preferences, and what's in your kitchen. Smart Grocery Shopping Compare prices across stores and get the best deals. Save money on every shopping trip. Family Meal Scaling Cooking for the whole family? Automatically scale recipes for any number of adults and children.Compare prices across stores and get the best deals. Save money on every shopping trip. Nutrition Tracking Track calories, protein, carbs, and fats. Hit your goals with meals designed for your body. Smart Shopping List Your shopping list is auto-generated from your meal plan. Only buy what you need, never forget an ingredient. Smart Inventory Your shopping automatically becomes inventory. Know exactly what you have and never overbuy again. External Meal Logging Ate outside? Log restaurant meals and keep your nutrition on track even when you're not cooking. Kitchen Display Connect an E-Inkhttps://foodgem.app/privacy.html screen to view recipes hands-free while cooking. The future of kitchen tech. Privacy policy: https://foodgem.app/privacy.html Terms of Service (Terms of Use (EULA)): https://foodgem.app/terms.html

Screenshots

The Difference4 screens
FoodGem4 screens

Verdict

The call

The clearest difference is device support: FoodGem at 3 against The Difference's 1. FoodGem also leads on iOS requirement (15.1 vs 17.0). On price, update cadence, 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. The Difference sells 2 in-app purchases, starting at $4.99 per month and FoodGem sells 4 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

Scorecard2 real differences · 8 level
The Difference versus FoodGem: the parameters behind the verdict, then further details
ParameterThe DifferenceFoodGem
PriceFreeFree
Rating4.8 (143 ratings) — better—
Positive reviews99.0% of reviews—
Number of ratings143 — better—
Update frequencyMonthlyMonthly
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS17.015.1 — better
Further details — not scored
Size40 MB47 MB
Age rating4+4+
DeveloperThe Difference App LLCHesham Zakaria

Bugs and requests

The Difference

Reported bugs

2 issues
  • Inaccurate calorie and intake level calculations
  • Graphics quality issues

Requested features

4 requests
  • Improved graphics and modern design overhaul
  • Faster food logging process
  • Enhanced subscription tier benefits
  • Dark mode option

FoodGem

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

The Difference

Subscriptions2
  • Monthly Subscription$4.991 Month
  • Yearly Subscription$24.991 Year
4 purchases

FoodGem

Subscriptions4
  • FoodGem Premium Monthly$4.991 Month
  • FoodGem Master Monthly$9.991 Month
  • FoodGem Premium Yearly$49.991 Year
Show 1 more
  • FoodGem Master Yearly$99.991 Year

Questions

Is The Difference free?
The Difference is free to download, with in-app purchases available.
Is FoodGem free?
FoodGem is free to download, with in-app purchases available.
Do The Difference or FoodGem have ads?
Neither The Difference nor FoodGem shows ads.
Which is updated more often, The Difference or FoodGem?
The Difference ships an update monthly, and FoodGem monthly. Most recently, The Difference was updated on November 7, 2026 and FoodGem on November 5, 2026.

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