Which iOS app is best for ordering fast food with specific customizations?

Carl's Jr. Mobile Ordering is a strong candidate for users who prioritize menu item customization alongside the convenience of mobile ordering. The app's interface is designed for quick navigation, allowing users to build their meal from the full menu, apply modifications like removing sauces or toppings, and then pay directly within the app for pickup. This is particularly useful for real-world scenarios like a lunch break, where speed and order accuracy are critical, or for group orders where individual preferences vary widely. Reviews indicate the app streamlines the process, with users noting the ability to request items like a burger with 'no sauce' directly in the order instructions, which then communicates clearly to the kitchen staff. While the app integrates well with the chain's rewards program, offering points and promotions, some minor interface quirks have been noted, such as occasional slowness when loading special offers during peak hours. Overall, its primary strength lies in giving users granular control over their order before arriving at the restaurant, potentially reducing errors and wait times at the drive-thru or counter.