DUACOMPOSER

Case log · 03 · Mobile app · AI tool

DuaComposer

An AI spiritual writing companion that turns heartfelt, unstructured thoughts into beautifully structured Islamic prayers. A focused MVP, shipped fast.

Overview

Idea to revenue in three weeks.

Making dua is personal, but finding the words isn't always easy. Many Muslims feel the weight of what they want to say but struggle to articulate it in the structured, reverent form a dua calls for. DuaComposer bridges that gap — a space to pour out thoughts in plain language, and get back something that feels like it came from the heart.

The app uses a carefully engineered AI persona — the Heart-Listener — to receive raw emotional input and produce duas that follow the correct Islamic structure: opening with praise of Allah, then Salawat, then seeking forgiveness, then Jannah, then personal requests. The output doesn't just feel structured — it feels felt.

The goal was to validate quickly, not build a cathedral. I shipped a focused MVP with AI at the core and cut everything that wasn't the one thing users needed — taking it from idea to revenue in three weeks.

Type Internal product · solo build

Timeline Idea → revenue in 3 weeks

Role Product, AI system design, build & launch

Stack

React Native Expo Claude API RevenueCat iOS / Android

THE HARD PART

The challenge

Turning emotion into structure — without it feeling like a template.

"People don't struggle to feel — they struggle to express."

The technical build was straightforward. The hard part was the prompt. A generic AI response — even a well-structured one — can feel hollow in a spiritual context. The system needed to receive emotionally charged, unfiltered input and respond with something that felt genuine, personal, and structurally correct every single time.

Getting that balance took real prompt-engineering iteration — encoding Islamic structure while preserving emotional responsiveness, so the output never felt like a template filling in blanks.

What I built

The core four pieces.

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Heart-Listener persona

A deeply engineered AI persona designed to receive unfiltered emotional input — grief, gratitude, anxiety, hope — and respond with empathy and spiritual attunement. Not pattern-matching. Listening.

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Structured dua engine

Every generated prayer follows the correct Islamic format: praise of Allah, Salawat, forgiveness, Jannah, personal requests. Structure is non-negotiable — the AI enforces it on every output without making it feel mechanical.

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Emotion-aware input

Users can write casually, emotionally, or even messily — the system interprets intent and reshapes it into something coherent and complete, meeting people wherever they are emotionally.

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Subscription via RevenueCat

Monthly and annual plans with a clean paywall. Native in-app purchase flows handle upgrades and renewals, with a free tier that lowers the barrier to first use and validates willingness to pay.

Results

Shipped fast, validated faster.

1.6K+ Downloads

29 Paying subscribers

3 wks Idea → revenue

System insight

DuaComposer isn't a generator — it's a translation layer.

emotion→structure

intention→expression

scattered thoughts→complete, meaningful output

By focusing on structure rather than just generation, the system produces results that feel both personal and spiritually grounded.

What I'd do differently

"I'd tighten onboarding sooner. The early drop-off was a messaging problem, not a product one — and I learned that later than I should have."

More work

See another build.

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