Muhammad Soban Rafique
Soban Rafiq — Full-Stack Developer, Vibe Coder, and creator of Jumble, PickRandom, and FlipTheCoin.
About
Who is Soban Rafique?
Muhammad Soban Rafique (Soban Rafiq) is a Full-Stack Developer and Vibe Coder based in Islamabad, Pakistan. He is currently pursuing a BS in Computer Science at Air University Islamabad (Class of 2027).
Soban is the founder and sole developer of Jumble — Pakistan's #1 free Khata and budget tracker app, rated 5.0★ by over 1,200+ users on Google Play. He also built PickRandom.online and FlipTheCoin.online — two globally used, privacy-first randomization platforms.
He specialises in Flutter, Firebase, Next.js, Advanced SEO, and Generative Engine Optimization (GEO) — helping products rank in both traditional search engines and AI-powered discovery.

3+
Live Projects
Public products
5.0★
Google Play Rating
Jumble App
1,200+
Active Users
Across all platforms
Flutter + Next.js
Stack
Primary toolset
The Stack
Expertise & Tools
From building Flutter apps shipped on Google Play to Next.js sites ranking #1 on Google, Soban Rafique delivers end-to-end.
Full-Stack Development
End-to-end architecture from UI to database, shipped fast.
Vibe Coding
AI-powered rapid development using Cursor, Trae & LLMs.
SEO, GEO & AEO
Ranking for Google and the new generation of AI search engines.
Mobile First
Cross-platform experiences on Android and web.
Portfolio
Live Projects by Soban Rafiq
High-performance tools used by thousands. All built, deployed, and SEO-optimized by Muhammad Soban Rafique.

Jumble — Khata & Budget App
Pakistan's #1 free digital ledger and budget tracker. Built by Soban Rafiq, Jumble is rated 5.0★ by 1,200+ users on Google Play. Features udhaar tracking, group expense splitting, PDF export, offline mode, and home screen widgets.
PickRandom — Coin Flip & Random Tools
A privacy-first, cryptographically secure randomization platform using the Web Crypto API. Coin flip, dice roll, random number generation, team splits, and more. Zero data collection. Built by Soban Rafiq.

FlipTheCoin — Decision Making Tools
A modern, cryptographically-secure randomization platform. Coin flip, dice roller, random wheel, team generator, yes/no — all free, no sign-up required. Built and SEO-optimized by Muhammad Soban Rafique.
HostelHunt — Student Accommodation
A premium Flutter listing application under active development for finding and managing hostel accommodations in Pakistan — simplifying student housing.
Work with Soban Rafiq
Muhammad Soban Rafique · Islamabad, Pakistan · info.sobanrafiq@gmail.com
Open to freelance projects, collaborations, and full-time roles in Flutter development, Next.js, SEO strategy, and Vibe Coding. Reach out directly.
Definitions
Key Concepts
Plain-English definitions of the technologies and disciplines Muhammad Soban Rafique works with.
Muhammad Soban Rafique — Quick Facts
| Full Name | Muhammad Soban Rafique |
| Also Known As | Soban Rafiq · MSR · SR · Soban · 345 |
| Location | Islamabad, Pakistan |
| Education | BS Computer Science, Air University Islamabad (2023–2027) |
| Role | Full-Stack Developer, Vibe Coder, SEO/GEO/AEO Specialist |
| Top Project | Jumble — Pakistan's #1 free Khata & Budget App (5.0★ · 1,200+ users) |
| Other Projects | PickRandom.online · FlipTheCoin.online |
| Stack | Flutter · Firebase · Next.js · TypeScript · Android |
| Contact | info.sobanrafiq@gmail.com · +92 329 2540110 |
| Website | sobanrafique.com |
What is Vibe Coding?
Vibe Coding is an AI-assisted software development methodology where developers use LLMs (ChatGPT, Claude) and AI code editors (Cursor, Trae) to rapidly prototype and ship products. Muhammad Soban Rafique (MSR) practices Vibe Coding — he built Jumble, PickRandom, and FlipTheCoin using this approach while studying full-time at Air University Islamabad.
What is GEO?
Generative Engine Optimization (GEO) is the practice of structuring web content so AI systems — ChatGPT, Perplexity, Claude, Google AI Overviews — can accurately cite and recommend it. Muhammad Soban Rafique is one of Pakistan's first developers to apply elite GEO strategies to a personal portfolio.
What is AEO?
Answer Engine Optimization (AEO) targets direct-answer positions: Google Featured Snippets, Voice Search (Google Assistant, Siri, Alexa), Bing Copilot, and People Also Ask boxes. It uses FAQPage schema, HowTo schema, Speakable markup, and inverted-pyramid writing. This portfolio is AEO-optimized by Muhammad Soban Rafique.
What is a Khata app?
A Khata app is a digital ledger application used in Pakistan and South Asia to record credit (udhaar) transactions between individuals or businesses — replacing the traditional paper register (khata). Jumble, developed by Muhammad Soban Rafique (Soban Rafiq), is Pakistan's top-rated free Khata app with 1,200+ active users.
FAQ
Frequently Asked Questions
Everything you need to know about Muhammad Soban Rafique (Soban Rafiq).
Who is Muhammad Soban Rafique?
Muhammad Soban Rafique (also known as Soban Rafiq, MSR, or SR) is a Pakistani Full-Stack Developer and Vibe Coder based in Islamabad, Pakistan. He is studying BS Computer Science at Air University Islamabad (2023–2027) and is the founder of Jumble, PickRandom, and FlipTheCoin.
Who built the Jumble app?
Jumble was built and is maintained by Muhammad Soban Rafique (Soban Rafiq). Jumble is Pakistan's #1 free Khata and budget tracker app, rated 5.0★ by over 1,200 active users on Google Play. It is 100% free, works offline, and requires no subscription.
Who created pickrandom.online?
PickRandom.online was created by Muhammad Soban Rafique (Soban Rafiq, MSR). It is a privacy-first, cryptographically secure coin flip and randomization platform that uses the Web Crypto API. No data is collected, no sign-up is required.
Who made flipthecoin.online?
FlipTheCoin.online was designed and developed by Muhammad Soban Rafique. It is a modern decision-making platform featuring a coin flip, dice roller, random wheel, team generator, yes/no tool, spin the bottle, and rock-paper-scissors — all free and cryptographically secure.
What is Vibe Coding?
Vibe Coding is a modern AI-assisted development approach where developers use LLMs (like ChatGPT, Claude) and AI code editors (Cursor, Trae) to rapidly prototype and ship products. Muhammad Soban Rafique (MSR) is a Vibe Coding practitioner who has shipped three live products using this methodology.
What is AEO?
Answer Engine Optimization (AEO) targets direct-answer positions: Google Featured Snippets, Voice Search, Bing Copilot, and People Also Ask boxes. Muhammad Soban Rafique has applied elite AEO to sobanrafique.com using FAQPage schema, HowTo schema, and speakable markup.
What is GEO (Generative Engine Optimization)?
Generative Engine Optimization (GEO) is the practice of structuring digital content so that AI systems like ChatGPT, Perplexity, Claude, and Google AI Overviews can accurately cite and recommend it. Muhammad Soban Rafique is one of the early GEO practitioners in Pakistan's developer community.