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.
CompareMe helps you to save money by comparison shopping
$2.99 · 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.
First kit free with a verified email
Combine features and design from your favorite apps.
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Generating… usually about a minute.
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 CompareMe Price Comparison: 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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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 retailer partnerships lead to fewer product comparisons.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: User interface can feel cluttered with too many options.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Occasional inaccurate price listings.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Lack of personalized recommendations.
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.
CompareMe helps you to save money by comparison shopping. Compare products in different sizes in different packs. The comparison calculator shows the percentage discount and premium directly. You even get the info how much you’ll save or pay more in cash. You now even get the unit prices of the two products you compare on the detail screen. So don’t forget CompareMe when you shop online, offline or where ever you need to decide whether the price is right ;-) CompareMe is the perfect companion for price conscious shopping, price negotiations, bargaining, checking the cheapest and much more. COMPARE AND CONVERT This utility application compares and converts prices of products with many different package sizes, volumes, and lengths. Discounts and premiums are calculated and displayed directly or can be set by the user. OPTIMIZED USER INTERFACE You can set prices, amounts or discounts really fast with the optimized number keyboard. Selecting the right unit with the unit-picker is simple, too. Converting prices and transferring package sizes by drag-and-drop turns CompareMe into a powerful but a more than easy to use mobile app. Check out the video walkthrough of CompareMe at the codedifferent website. WHO NEEDS COMPAREME? - Everyone who's doing price conscious shopping when going to the grocery store, supermarket or at a DIY store. No matter whether you are searching for the bargain of the century buy to save money and buy cheap stuff or you get the best quality for the best price - CompareMe is your shopping assistant. - Everyone who's haggling when buying investment goods like cars, TV, fridge - it's easy to check sale prices and set the preferred discounts as a basis for the price negotiations. - It's also a useful business tool for purchasing agents, too. WHAT DO REVIEWERS SAY? "The entire application has been designed for speed—buttons are large, text is easy to read, and color-coded results are instantly understandable." Macworld (4.5 of 5 mice) "CompareMe is a Good Calculator for Hard Economic Times" AppCraver (score 7 of 10) "One of the nice things about CompareMe, besides it simplistic style and perfect function, is the fact that everything is easy to use." Blogcritics (4 of 5 stars) Featured in the Apple & ATT print-ad-campaign "Helping you stretch your budget, one app at a time." in newspapers like USA TODAY or the New York Times and in Apple's "WHAT'S HOT" section. SUPPORTED UNITS Numbers: pieces (#), dozen (dz), thousand (k) Mass: gram (g), milligram (mg), kilogram (kg), metric ton (t), ounce (oz), pound (lb), quarter (qr US), short hundredweight (cwt US), short ton (ston), quarter (qr GB), long hundredweight (cwt GB), long ton (lton), Pfund (Pfd DE) Volume: liter (l), milliliter (ml), centiliter (cl), deciliter (dl), hectoliter (hl), cubic meter (m³), cubic millimeter (mm³), cubic centimeter (cm³), cubic decimeter (dm³), cust. fluid ounze (fl oz), quart (qt US), liquid pint (pt US), dry pint (dry pt US), liquid gallon (gal US), dry gallon (dry gal US), bushel (bu US), petrol barrel (bbl US), Imperial quart (qt GB), Imperial pint (pt GB), Imperial gallon (gal GB), bushel (bu GB), cubic inch (cin), cubic foot (cft), cubic yard (cyd). Surface: square meter (m²), square millimeter (mm²), square centimeter (cm²), square decimeter (dm²), square kilometer (km²), acre (ac US), acre (ac GB), square inch (sq in), square foot (sq ft), square yard (sq yd), are (a), hectare (ha). Length: meter (m), millimeter (mm), centimeter (cm), decimeter (dm), kilometer (km), foot (ft), inch (in), yard (yd), nautical mile (sm), statue mile (st mi). Data: bits (bit), bytes (B), Kilobyte (10^3 Byte) - kB, Megabyte (10^6 Byte) - MB, Gigabyte (10^9 Byte) - GB, Terabyte (10^12 Byte) - TB, Petabyte (10^15 Byte) - PB, Kibibyte (2^10 Byte) - KiB, Mebibyte (2^20 Byte) - MiB, Gibibyte (2^30 Byte) - GiB, Tebibyte (2^40 Byte) - TiB, Pebibyte (2^50 Byte) - PiB.
Written user reviews are not shown here. Check current App Store reviews >
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.