When considering the highest paying delivery app, it's essential to look at various factors such as earning potential and payout frequency. For instance, Amazon Flex offers a competitive hourly rate ranging from $18 to $25, with payouts occurring twice a week, making it an attractive option for those seeking consistent income. Instacart's earnings can vary significantly based on demand and the number of orders fulfilled, but it provides the option for instant deposits (albeit with a fee) or weekly deposits, which adds flexibility for drivers. Grubhub also presents variable earnings, with weekly deposits, while Shipt offers a starting rate of $16 per hour, with similar weekly payout schedules. Ultimately, the best choice may depend on individual preferences regarding pay structure and the frequency of payouts, as well as the specific market conditions in which the driver operates.