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
Puddle & Pile
Puddle & Pile is a fun, interactive tool to help both you and your dog enjoy toilet training! “That’s right enjoy toilet training”.
$3.99 · In-app purchases
PRICE
$3.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.1
308 ratings · Top 30%
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.
Build your own version
Build Kit
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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.
What's included17 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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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 Puddle & Pile: map the core Lifestyle 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
Allow users to set custom reminders for activities.
Assumption to check: Limited customization for activity reminders
Validate with people who use this workflow before building.
Hypothesis 2
Implement offline access to saved activities and weather data.
Assumption to check: Lack of offline functionality
Validate with people who use this workflow before building.
Hypothesis 3
Simplify subscription options and clarify features for each tier.
Assumption to check: Subscription confusion
Validate with people who use this workflow before building.
Hypothesis 4
Streamline the UI to improve navigation and reduce clutter.
Assumption to check: Cluttered UI
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
Puddle & Pile is a fun, interactive tool to help both you and your dog enjoy toilet training! “That’s right enjoy toilet training”. Sick of mess on your floor? Sick of being frustrated at your beloved friend? Remove this one frustration and love having your dog more! Puddle & Pile will quickly learn your dog's toileting patterns and alert you before accidents happen. When your dog relieves, simply bring out your phone and record the action. Over just a few days Puddle & Pile will learn when your dog needs to be outside and it will bark, so you can save your floor! Consistently responding to puddles and piles alerts by giving your pooch a garden tour will help you toilet train your dog quickly. Record every success or accident and see how quickly praise outweighs frustrations. - Or why not just use it to remind you even with older dogs that outside time is needed. - Customize the background with your favourite pooch picture. It's your dog's App! - Grow together with more positive times - Share your dog's history with others who may be looking after them. - Share your dog's history with your vet if there are strange patterns for an easy diagnosis. - Inspired by a continual puppy raiser for Guide Dogs Victoria. - Thank-you for the positive feedback. Please rate this app positively if you find it useful. It helps more than you may think. :-) - ENJOY YOUR DOG! REVIEWS It works - byOttlight - Sep 26, 2015 I've been having a problem house breaking my 4 1/2 old puppy. I started using this app and she was accident free the first day. It's very accurate nearly to the minute she has to go potty. I emailed the info to the puppy class trainer. It's very easy to use. Fantastic App! - byHot K - May 6, 2014 I LOVE this app. I really needed something to help me make heads or tails out of mine & my new puppies day so we could have a smooth, fun house training process. Well, this app provides that! It certainly delivers what it promises & more! The app is easy to use & fun. It sorts out all the patterns of our new Sproodle & I feel less stressed. Def give this app a try if you haven't house trained a dog before, or maybe even if you have :) Great tool! - bymanwdaplan - Apr 24, 2014 Amazingly accurate at predicting my dogs needs. Also, a very simple and clean (and cute) interface that makes the training process much less frustrating. Love this app! byJonasfann1 - Apr 20, 2015 - Really very cool for any owner of a new puppy! LOVE using this app!!
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
Axios
React Navigation
React Native DateTimePicker
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.
