Feature spec
Goal: Send a clear invoice after finishing a job.
- Add a client, line items, a due date, and payment instructions.
- Preview the total before exporting a PDF.
- Keep an editable draft if export fails.
App Overview
Katakani Bang (کاتەکانی بانگ)
ئەپی کاتەکانی بانک
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.7
9,712 ratings · Top 15%
Evidence scope: No current overall US chart position is available. Category-chart positions shown in discovery are a separate scope. Revenue is a directional model estimate, not verified earnings.
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Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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What's included16 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
Preview a sample Build Kit No email needed
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Screen plan
Invoice editor: Client at the top, editable line items in the middle, total and preview action at the bottom.
States: Empty draft, validation errors beside each field, exporting, and a retry action that preserves the draft.
Differentiate and validate
Hypothesis: Contractors need faster repeat invoices more than more templates.
First experiment: Test duplicating a previous job with five contractors. Watch where they hesitate before expanding the feature set.
The full kit adds a phased build plan, evidence notes, tool prompts, and implementation guidance. It is a plan for your coding agent, not a finished app.
Usage: Mechanics are fair game; never reuse the original name, branding, assets, or verbatim copy.
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Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for Katakani Bang (کاتەکانی بانگ): map the core Reference workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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Opportunities
AI-GENERATED OPPORTUNITY HYPOTHESES
These are generated suggestions, not verified review quotations. Check current App Store reviews and speak with users before treating a possible gap as a requirement.
Hypothesis 1
Offer user-generated categories and phrases.
Assumption to check: Limited phrase categories, users may want more variety.
Validate with people who use this workflow before building.
Hypothesis 2
Provide clear explanations and free trials for premium features.
Assumption to check: In-app purchases may confuse users.
Validate with people who use this workflow before building.
Hypothesis 3
Optimize audio loading and playback speed.
Assumption to check: Audio playback may be slow or inconsistent.
Validate with people who use this workflow before building.
Hypothesis 4
Introduce interactive learning features to engage users.
Assumption to check: Lack of user interaction features like quizzes or tests.
Validate with people who use this workflow before building.
App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
App Store description
ئەپی کاتەکانی بانک پێکهاتووە لە ۱-کاتەکانی بانگ بۆ شارەکانی (هەولێر ، سلێمانی ، دهۆک ، کەرکوک ، هەڵەبجە ، زاخۆ ، ئاکرێ ، کۆیە ، خانقین ، بەردەرەش کفری ، شێخان) ۲-بانگ دان لە کاتی بانگ ۳-زیکرەکانی ئێوارە و بەیانی هتد.. دیارهی كردنی قیبله -٤ ۵-ئەتوانی بانگەکان بوەستێنی و دەنگی بانگ بێژ بگۆری خوێندنهوهی و مانای ناوهكانی خودا-٦ ------------------------------------------------- Katakani Bang is islamic app contains prayers times its contain of 1- prayer times for (Erbil,Sulemani,dhok,halabja,zakho,akre,koya,khanaqin,bardarash,kfre,shexan). 2-got notification for each prayer time. 3-conatin azkar(Azkar ,Azkar Al Sabah , Azkar Al Masah ) 4- compass for qibla detection . 5-Settings you can stop prayer times notification,change azan sound and more.. ------------------------------------------------- أوقات الصلاة هو التطبيق الإسلامي يحتوي على أوقات الصلاة تحتوي على 1-أوقات الصلاة ل (Erbil,Sulemani,dhok,halabja,zakho,akre,koya,khanaqin,bardarash,kfre,shexan) 2-الحصول على إخطار عن كل وقت الصلاة 3-كوناتين أزكار (أزكار، أذكار الصباح، أذكار الماسة) 4- البوصلة للكشف عن القبلة 5-إعدادات يمكنك إيقاف أوقات الصلاة الإخطار، وتغيير صوت أذان وأكثر من ذلك ..
Written user reviews are not shown here. Check current App Store reviews >
Screenshots
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Build scope
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Define the first version
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Set boundaries
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Check the hard parts
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
SUGGESTED BUILD STACK
React Native
Expo
Zustand
Supabase
React Navigation
react-native-audio
BUILD KIT DIFFICULTY
Starter
From the Build Kit assessment.
A reliable timeline needs an agreed scope and a technical check. Ask your agent to estimate the phases in BUILD_PLAN.md after that review.
