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
CityShoppari
cityshoppari – kotimainen sovellus, joka kokoaa yhteen yli 1000 etua jopa 2000 toimipaikassa.
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 3.3
3 ratings · Below Average
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 included15 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
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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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Free quick prompt For a smaller starting point
Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for CityShoppari: map the core Shopping 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
Enhance the product catalog with more local shops and diverse offerings.
Assumption to check: Limited product availability and variety
Validate with people who use this workflow before building.
Hypothesis 2
Optimize images and data fetching to improve load times.
Assumption to check: Poor app performance and loading times
Validate with people who use this workflow before building.
Hypothesis 3
Implement a robust review system to encourage user feedback.
Assumption to check: Inadequate user reviews and ratings
Validate with people who use this workflow before building.
Hypothesis 4
Introduce AI-driven recommendations based on user preferences and past behavior.
Assumption to check: Lack of personalized recommendations
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
cityshoppari – kotimainen sovellus, joka kokoaa yhteen yli 1000 etua jopa 2000 toimipaikassa. cityshoppari-sovelluksesta löydät rahanarvoisia etuja, joilla syöt ja shoppailet edullisesti ympäri suomen. mukana mm. ravintoloita, kahviloita, hotelleja, kylpylöitä, vaateliikkeitä, verkkokauppoja, liikuntapaikkoja, kulttuuria, palveluita, kauneushoitoloita ja kampaamoita – jokaiselle jotakin! cityshoppari-sovellus on erittäin helppo käyttää ja näet siitä sinua lähellä olevat etuyritykset. voit selata etuyrityksiä myös aakkosittain, kategorioittain tai etsiä etuja hakusanoilla. lataamalla sovelluksen, pääset selaamaan etuja ja lunastamalla edut käyttöösi sovelluksessa, pääset heti hyödyntämään niitä! tilauksella saat kaikki edut käyttöösi 12 kuukaudeksi tilaushetkestä eteenpäin. apple-tiliäsi laskutetaan 24 tuntia ennen uuden jakson alkua. tilaus jatkuu automaattisesti ellet lopeta tilausta 24 tuntia ennen nykyisen tilauksen loppua. maksu veloitetaan apple-tililtäsi tilauksen uusimisen yhteydessä. voit hallita tilausta omalla apple-tililläsi. applen ehtojen mukaan tilaus on voimassa kauden loppuun. jos tilaus perutaan, jakson käyttämättömältä osalta ei palauteta rahoja. maksun hyvitystä on mahdollista pyytää oman sovelluskauppatilisi kautta 14 vuorokauden sisään maksutapahtumasta. cityshoppari ei vastaa maksun palauttamisesta. cityshopparin hinta on 19,99 € / 12 kk. käyttöehdot: https://cityshoppari.fi/ohjeet/cs-sovelluksen-saannot/
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
Supabase
Zustand
React Navigation
Axios
BUILD KIT DIFFICULTY
Intermediate
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.
