Easily order your favorite meals for pickup or delivery. Browse the menu, select your items, and enjoy delicious food with a few simple taps.



250+ iOS apps curated and reviewed
The best fat shack app on iPhone average 3.8★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | 5.0★ (22) | Yes | No | Aug 2026 | |
| 2 | Free | 4.9★ (262K) | No | No | Sep 2026 | |
| 3 | Free | 4.8★ (597K) | Yes | No | Sep 2026 | |
| 4 | Free | 2.7★ (3) | No | Yes | Aug 2026 | |
| 5 | Free | — | No | No | Aug 2026 | |
| 6 | Free | — | No | No | Aug 2026 | |
| 7 | Free | — | No | Yes | Aug 2026 | |
| 8 | Free | — | No | No | Aug 2026 |



Easily order your favorite meals for pickup or delivery. Browse the menu, select your items, and enjoy delicious food with a few simple taps.





Order your favorite burgers and fries from your phone, customizing them exactly how you like. Choose pickup or delivery, reorder past meals easily, and find nearby locations.



Order your favorite burgers, fries, and shakes ahead of time for pickup or delivery. Enjoy exclusive deals, early access to new menu items, and customizable meal options. Skip the line and get your delicious Shack fix with ease.


Calculate your Body Mass Index (BMI), Body Fat Percentage (BFP), and Basal Metabolic Rate (BMR). This app can optionally import your health data from Apple Health for more accurate calculations.










Estimate your body fat percentage with guided photos. Track your progress visually with clear metrics and motivating features like streaks and reminders. Get insights into lean and fat mass to understand your fitness journey.






Manage your weight, body fat, and other body composition metrics. Set and achieve health goals with advanced data analysis and multi-user support. Securely back up and export your progress for a comprehensive understanding of your fitness journey.




This health tracking application connects to electronic scales via Bluetooth to automatically record and manage your personal health data. It analyzes your metrics, generates visual graphs, and can sync with Apple's Health Kit. The app supports cloud caching for data backup and is available in multiple languages.


Track your weight and ten body statistics with this app, which connects to a smart scale for detailed insights. It provides advisory reports and allows family health monitoring. Integrates with HealthKit for seamless data sharing.


Easily locate nearby restaurants, place orders in advance, and pay directly from your phone. Earn points on purchases to redeem for free food, birthday treats, and more. The app remembers your preferences for a personalized experience.




Earn points on every El Pollo Loco order, whether in-app, online, or in-store. Redeem points for rewards, access exclusive deals, and enjoy personalized offers. Order ahead, save favorites, and pay with your phone.


Organize and track your medical test results by sending photos or scans. Receive personalized nutrition and supplement recommendations to support a healthy lifestyle. Securely store your health data without manual entry.

