I'm looking for an experienced app developer to create a loyalty app for both iOS and Android platforms. Essential Features: - Point System: Users earn points on purchases. - Rewards Catalog: Users can redeem points for rewards. - Referral Program: Incentivize users to refer friends. User Sign-up: Must be via phone number and OTP. Ideal Skills: - Proficiency in cross-platform app development. - Experience with secure OTP integration. - Strong UI/UX design skills. - Familiarity with loyalty programs and gamification. Please share relevant experience and portfolio.