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.
currency converter is an app can convert upto 170 currencies.
$0.99 · In-app purchases
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.
A product spec, screen plans, and build steps for your coding agent.
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Combine features and design from your favorite apps.
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What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
A product spec, phased build plan, differentiation notes, and screen references.
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Goal: Send a clear invoice after finishing a job.
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.
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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Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
Rork plan preview for All Currency Converter app: map the core Finance workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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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
Assumption to check: Limited currency options available
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: No historical data tracking
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Lack of offline functionality
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Basic UI/UX design
Validate with people who use this workflow before building.
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
currency converter is an app can convert upto 170 currencies. —>this is an pocket app mostly need in money exchange,finance,business,exchange rates,utilities and travel. —>currency converter is the simplest, most beautiful currency converter you ‘ll ever find. —>this app is more useful when you travel abroad. —>incredibly simple interface —>exchange rates are updated automatically - refresh in list time to time [features]: —>this is an online & offline application —>you can easily select the currency to convert —>you can enter any maximum value to convert into other currency —>swipe right to make settings that you can choice maximum currencies and minimum of two currencies to convert —>in settings field you can on/off currency, by tapping the same field once and twice —>you can search currency easily and fast. —>tap on the converter button to hide the number pad or swipe to right list of currencies: argentine peso (ars) aruban florin (awg) australian dollar (aud) afghan afghani (afn) albanian lek (all) armenian dram (amd) angolan kwanza (aoa) algerian dinar (dzd) bahamian dollar (bsd) bahraini dinar (bhd) bangladeshi taka (bdt) barbadian dollar(bbd) bermudian dollar(bmd) bolivian boliviano (bob) brunei dollar (bnd) bosnia and herzegovina convertible mark(bam) brazilian real (brl) bhutanese ngultrum (btn) botswanan pula (bwp) belarusian ruble (byr) belize dollar (bzd) british pound sterling(gbp) bulgarian lev (bgn) cambodian riel (khr) canadian dollar (cad) central african franc(xaf) cfp franc (xpf) cfp franc (xpd) chilean peso (clp) chinese yuan (cny) colombian peso (cop) croatian kuna(hrk) cyprus pound(cyp) czech koruna (czk) congolese franc (cdf) cuban peso (cup) croatia kuna (hrk) comorian franc (kmf) cuban convertible peso (cuc) cayman islands dollar (kyd) cape verdean escudo (cve) danish krone (dkk) dominican peso (dop) djiboutian franc (djf) east caribbean dollar (xcd) egyptian pound (egp) euro (eur) ethiopian birr (etb) fijian dollar(fjd) falkland islands pound (fkp) gambian dalasi (gmd) ghana cedi(ghs) guatemalan quetzal (gtq) georgian lari (gel) gibraltar pound (gip) guinean franc (gnf) guyanaese dollar (gyd) guernsey pound (ggp) hong kong dollar (hkd) hungarian forint (huf) honduran lempira (hnl) icelandic krona (isk) indian rupee (inr) indonesian rupiah (idr) iraqi dinar (iqd) iranian rial (irr) jamaican dollar (jmd) japanese yen (jpy) jordanian dinar (jod) jersey pound (jep) kenyan shilling (kes) kuwaiti dinar (kwd) lao kip(lak) latvian lats(lvl) lebanese pound (lbp) lithuanian litas (ltl) liberian dollar (lrd) lesotho loti (lsl) libyan dinar (lyd) macedonian denar (mkd) malagasy ariary (mga) malaysian ringgit(myr) maldivian rufiyaa (mvr) mauritian rupee (mur) mexican pesos (mxn) moldovan leu (mdl) myanma kyat (mmk) mongolian tugrik (mnt) macanese pataca (mop) mauritanian ouguiya (mro) malawian kwacha (mwk) manx pound (imp) moroccan dirham (mad) maltese lira (mtl) namibian dollar (nad) nepalese rupee (npr) new zealand dollar (nzd) north korean won (kpw) nicaraguan córdoba (nio) nigerian naira (ngn) netherlands antillian guilder (ang) norwegian krone (nok) omani rial (omr) pakistani rupee (pkr) panamanian balboa (pab) paraguayan guaraní(pyg) peruvian sol(pen) philippine peso (php) qatari riyal(qar) romanian leu(ron) russian rouble(rub) saudi riyal(sar) serbian dinar(rsd) seychellois rupee(scr) singapore dollar(sgd) south african rand (zar) south korean won (krw) sri lankan rupee (lkr) swedish krona(sek) swiss franc (chf) syrian pound (syp) samoan tala (wst) special drawing rights (xdr) taiwanese dollar(twd) thai baht (thb) tajikistani somoni (tjs) trinidad and tobago dollar (ttd) tanzanian shilling (tzs) turkmenistani manat (tmt) new turkish lira (try) ugandan shilling (ugx) ukraine hryvnia(uah) united arab emirates dirham(aed) united states dollar(usd) uzbekistan som (uzs) venezuelan bolívar(vef) vietnamese dong (vnd) vanuatu vatu (vuv) yemeni rial (yer) zambian kwacha (zmk) zimbabwean dollar (zwl)
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Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
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.