# Prince Gupta > Prince Gupta is a full-stack developer based in Ludhiana, Punjab, India. He builds Flutter > apps for iOS and Android, web platforms and dashboards, AI/ML features, and runs technical > SEO — designing, building and launching each project end-to-end as a single developer. > Four of his apps are live on both the App Store and Google Play. ## Key facts - Name: Prince Gupta - Role: Full-stack developer (Flutter, web, AI/ML, SEO) - Location: Ludhiana, Punjab, India — works remotely, worldwide - Apps in production: 4 | Stores: Apple App Store, Google Play - Response time: within 24 hours - Education: finishing a B.Tech in Computer Science alongside client work - Email: princegupta.appdeveloper@gmail.com - Website: https://www.princegupta.dev/ - GitHub: https://github.com/princegupta22 - LinkedIn: https://www.linkedin.com/in/prince-gupta-05677731a/ ## Apps in production - Let's Barter — barter marketplace. Listings, item-based bidding, real-time chat and push notifications on a Firebase backend. Flutter, Firebase. https://play.google.com/store/apps/details?id=com.lets.barter https://apps.apple.com/in/app/lets-barter-swap-your-stuff/id6755492728 - High — State Control — guided audio journeys for focus, energy and mood, with offline playback and progress tracking. Flutter, just_audio, offline-first. https://play.google.com/store/apps/details?id=com.high.app https://apps.apple.com/in/app/high-state-control/id6758966007 - Sovchi — privacy-first matrimony. Request-based connections, verified contact exchange, smart matching and horoscope compatibility. Flutter, Firebase. https://play.google.com/store/apps/details?id=com.sovchi.app https://apps.apple.com/in/app/sovchiapp/id6756621396 - MyDigitalBill — retail billing. Invoicing, sales analytics and Bluetooth thermal-printer support. Flutter, Firebase, ESC/POS printing. https://play.google.com/store/apps/details?id=com.my.digitalbook https://apps.apple.com/us/app/mydigitalbill-billing-app/id6775468507 ## Services - Mobile Apps: Flutter apps for iOS & Android from a single codebase — designed, built, and published to both stores. - Web Development: Marketing sites, dashboards, and web apps — fast, responsive, deployed end-to-end. - AI / ML: Chatbots, on-device ML, and predictive features integrated into real products — not demos. - SEO: Technical audits, content strategy, and local SEO that compound into organic growth. ## Process 1. Discover — a real conversation about the idea, users, and what success looks like, before any code. 2. Scope & Design — features prioritised ruthlessly; screens and flows reviewed early. 3. Build — clean architecture, weekly builds the client can tap through on their own phone. 4. Launch & Grow — store submissions, review handling, SEO, iterations. Support continues after launch. ## Journal - [What App Store rejections actually teach you about scope](https://www.princegupta.dev/blog/app-store-rejections-scope/): App Store and Google Play rejections are usually a scoping failure, not a coding one. The guidelines that catch Flutter apps most often, and a pre-build checklist to avoid them. (2026-09-12, 1420 words) - [One Flutter codebase, two stores, zero surprises](https://www.princegupta.dev/blog/one-codebase-two-stores/): A practical Flutter release checklist for shipping one codebase to both the App Store and Google Play: signing, versioning, permissions, privacy manifests, app bundles and staged rollout. (2026-08-24, 1510 words) - [Bluetooth thermal printing in Flutter, without the guesswork](https://www.princegupta.dev/blog/bluetooth-thermal-printing-flutter/): A practical guide to ESC/POS Bluetooth thermal printing in Flutter: 58mm vs 80mm widths, classic Bluetooth vs BLE, the iOS MFi problem, codepages, and printing non-Latin scripts as raster images. (2026-07-30, 1580 words) - [Core Web Vitals for people who'd rather be building](https://www.princegupta.dev/blog/core-web-vitals-for-builders/): A practical guide to Core Web Vitals for developers: what LCP, INP and CLS measure, the thresholds that matter, and the highest-leverage fixes in the order to do them. (2026-06-18, 1250 words) ## Optional - [Full text of every page](https://www.princegupta.dev/llms-full.txt) - [RSS feed](https://www.princegupta.dev/feed.xml) - [Sitemap](https://www.princegupta.dev/sitemap.xml) ## Contact Email princegupta.appdeveloper@gmail.com, or use the project brief form at https://www.princegupta.dev/#contact. Replies come within 24 hours with honest thoughts on scope, timeline and cost.