The Difference vs PureGym US
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Daily weight change prediction
- Personalized True Burn calculation
- Extensive food database
- Comprehensive activity logging
- Simple and intuitive interface
- Daily email and SMS results
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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/
PureGym US
Manage your fitness journey with this gym companion app. Easily check in, handle your membership, and stay updated on gym news. It helps you stay active by integrating with health data.
- Mobile check-in
- Membership management
- Guest invitations
- Billing and balance updates
- HealthKit integration
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PureGym Feel Good Fitness for Every Body Welcome to the official PureGym US app, your all-in-one fitness companion with everything you need to crush your goals. Easily check in to the gym, manage your membership, get updates, and more. With the PureGym US app, you can stay on top of your fitness anytime, anywhere. Free with your PureGym membership! Top Features: Mobile Check-In. Scan the QR code on the home screen for easy, contactless entry. Secure Login Simple, secure access keeps your account and personal info safe. Bring a Guest Fitness is better with friends, so invite a guest to work out with you. Manage Your Membership Update billing, pay balances, and stay on top of your account. APPLE HEALTHKIT We also use HealthKit to allow users to share their activity and workout data with the app. This data is used to incentivise users to stay active.
Screenshots
Verdict
The clearest difference is review sentiment: The Difference at 99% against PureGym US's 10%. The Difference also leads on rating (4.8 vs 4.6). PureGym US's advantage is in-app purchases (none vs 2) and ratings volume (18K vs 142). On price, update cadence, ads and device support 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
Both are free to download. The Difference sells 2 in-app purchases, starting at $4.99 per month. PureGym US asks for nothing beyond the download.
The Difference holds the better App Store score, 4.8 against 4.6. That said, the two scores are not equally well evidenced: PureGym US has 18K ratings behind it against 142, so its average is the more settled of the two. Written reviews point the same way: 99% of The Difference's written reviews are positive against 10% of PureGym US's.
The Difference ships an update monthly, PureGym US every 5 weeks. The most recent releases landed on October 25, 2026 and October 26, 2026 respectively.
| Parameter | The Difference | PureGym US |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (142 ratings) — better | 4.6 (18K ratings) |
| Positive reviews | 99.0% of reviews — better | 10.0% of reviews |
| Number of ratings | 142 | 18K — better |
| Update frequency | Monthly — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | Free — better |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 40 MB | 115 MB |
| Age rating | 4+ | 4+ |
| Developer | The Difference App LLC | Blink Holdings Inc. |
Customer experience
The Difference
PureGym US
User reviews
The Difference
From 142 App Store ratingsWhat we love
- 👍 Intuitive and easy-to-use interface
- 💡 Innovative weight prediction feature
- 📊 Accurate calorie tracking and database
- 🎯 Effective for weight loss and management
- ⚡ Simple and streamlined design
Room to improve
- 🎨 Graphics and design feel cheap or outdated
- ⏳ Time-consuming food input process
- ❓ Inaccurate calorie calculations reported
- 💳 Limited subscription benefits
PureGym US
From 18K App Store ratingsRoom to improve
- 🐛 Login issues
- 🐛 Password reset not working
- 🐛 Registration not working
- 🐛 Membership information not transferring
- 🐛 Incorrect gym location
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
PureGym US
Reported bugs
5 issues- Login not working
- Password reset not working
- Registration not working
- Incorrect gym location
- Membership information not transferring
Requested features
5 requests- Ability to login with correct credentials
- Proper password reset functionality
- Seamless account registration
- Accurate gym location selection
- Membership information transfer
In-app purchases
The Difference
- Monthly Subscription$4.991 Month
- Yearly Subscription$24.991 Year
PureGym US
No in-app purchases
Questions
Is The Difference free?
Is PureGym US free?
Which has better reviews, The Difference or PureGym US?
Do The Difference or PureGym US have ads?
Which is updated more often, The Difference or PureGym US?
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