Sarthak D.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

𝗧𝗵𝗲 𝗔𝗽𝗽 𝗦𝘁𝗼𝗿𝗲 𝗶𝘀 𝗳𝗶𝗹𝗹𝗲𝗱 𝘄𝗶𝘁𝗵 𝗮𝗯𝗮𝗻𝗱𝗼𝗻𝗲𝗱 𝗮𝗽𝗽𝘀. 𝗪𝗶𝗹𝗹 𝘆𝗼𝘂𝗿𝘀 𝗯𝗲 𝗻𝗲𝘅𝘁? Let’s build something that 𝙨𝙩𝙖𝙣𝙙𝙨 𝙤𝙪𝙩, 𝙨𝙘𝙖𝙡𝙚𝙨, 𝙖𝙣𝙙 𝙨𝙪𝙘𝙘𝙚𝙚𝙙𝙨. As a mobile app developer, I specialise in building seamless, high-performing applications that captivate users. With expertise in iOS (Swift, SwiftUI, Objective-C), Android (Java, Kotlin), and Flutter, I transform concepts into intuitive, scalable solutions. 🔹 Why Work With Me? ✔ 6+ years of mobile app development (iOS, Android & Flutter) ✔ User-first approach – Engaging UI/UX that drives retention ✔ Full-stack expertise – From front-end UI to back-end architecture ✔ Proven success – Apps with millions of downloads & top ratings 🌟 Success Stories - Back in 2016, one of the apps I developed became the most downloaded app of the year, earning industry recognition and setting new benchmarks for user engagement. 🔹 What made it a success? I focused on seamless performance, intuitive UI/UX, and user retention strategies—elements AI alone can’t master. 🔹 The result? 📈 Millions of downloads ⭐ Top-rated in its category 🏆 Award-winning recognition This success proves that understanding human behavior, market trends, and strategic execution is what truly drives app dominance. You’re a 𝘀𝘁𝗮𝗿𝘁𝘂𝗽 𝗳𝗼𝘂𝗻𝗱𝗲𝗿 𝘄𝗶𝘁𝗵 𝗮 𝗴𝗿𝗼𝘂𝗻𝗱𝗯𝗿𝗲𝗮𝗸𝗶𝗻𝗴 𝗶𝗱𝗲𝗮, but you need a developer who gets it—someone who can take your vision and turn it into a 𝗵𝗶𝗴𝗵-𝗽𝗲𝗿𝗳𝗼𝗿𝗺𝗶𝗻𝗴, 𝘂𝘀𝗲𝗿-𝗳𝗿𝗶𝗲𝗻𝗱𝗹𝘆 𝗮𝗽𝗽 that people actually love. Or maybe you’re an 𝗲𝗖𝗼𝗺𝗺𝗲𝗿𝗰𝗲 𝗯𝘂𝘀𝗶𝗻𝗲𝘀𝘀 𝗼𝘄𝗻𝗲𝗿 struggling with low conversions because your store isn’t optimized for mobile users. You know a seamless shopping experience means higher sales, but you’re tired of dealing with slow, clunky apps. Perhaps you run a 𝗳𝗶𝘁𝗻𝗲𝘀𝘀, 𝗳𝗶𝗻𝘁𝗲𝗰𝗵, 𝗼𝗿 𝗦𝗮𝗮𝗦 𝗰𝗼𝗺𝗽𝗮𝗻𝘆, and your current app is driving users away because of poor UI/UX, slow performance, or frustrating bugs. Every second counts, and losing users means losing revenue. 👉 𝐓𝐡𝐢𝐬 𝐢𝐬 𝐰𝐡𝐞𝐫𝐞 𝐈 𝐬𝐭𝐞𝐩 𝐢𝐧. I help startups, entrepreneurs, and businesses across industries build scalable, high-converting mobile apps using Swift (iOS), Kotlin (Android), and Flutter (cross-platform). Industries I’ve Helped Transform ✔️ eCommerce & Retail Apps – Shopify, WooCommerce, Amazon-style marketplaces ✔️ Social & Community Platforms – Scalable apps like Instagram & LinkedIn ✔️ On-Demand Services – Ride-sharing, food delivery, and booking apps ✔️ Health & Fitness Apps – Personalized workout & wellness platforms ✔️ Finance & Fintech Solutions – Secure, high-performance banking & trading apps ✔️ EdTech & Learning Platforms – Interactive apps like Duolingo & Coursera ✔️ IoT & Smart Tech – Smart home automation & connected devices ✔️ Augmented Reality (AR) Apps – Immersive experiences like Pokémon GO Why Work With Me? I don’t just code— I 𝘀𝗼𝗹𝘃𝗲 𝗽𝗿𝗼𝗯𝗹𝗲𝗺𝘀.. With 𝟲+ 𝘆𝗲𝗮𝗿𝘀 of experience, I focus on: ✅ High-Performance Development – Apps that run fast & scale easily ✅ Conversion-Optimized UX – More users, better retention, higher engagement ✅ Seamless Integrations – APIs, payment gateways, CRMs, and automation tools ✅ End-to-End Support – From concept to launch & beyond If you’re tired of dealing with developers who overpromise and underdeliver, let’s talk. Click ‘𝙄𝙣𝙫𝙞𝙩𝙚’, and let’s create something extraordinary together!