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
Wag! - Dog Walkers & Sitters
Wag! is the #1 On-Demand Dog Walking, Dog Sitting, and Dog Boarding app for Pet Parents.
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.8
64,987 ratings · Top 5%
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 included17 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 Wag! - Dog Walkers & Sitters: map the core Travel 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
Expand walker network through partnerships.
Assumption to check: Limited availability of walkers in certain areas.
Validate with people who use this workflow before building.
Hypothesis 2
Introduce competitive pricing options.
Assumption to check: High service fees can deter users.
Validate with people who use this workflow before building.
Hypothesis 3
Enhance in-app messaging features.
Assumption to check: Communication issues between users and walkers.
Validate with people who use this workflow before building.
Hypothesis 4
Simplify the booking flow with clearer instructions.
Assumption to check: Unclear booking process can confuse users.
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
Wag! is the #1 On-Demand Dog Walking, Dog Sitting, and Dog Boarding app for Pet Parents. Book pet care with local, trusted caregivers through the Wag! app. Whether your dog needs daily walks, overnight care, or just some fresh air, Wag! has you covered. Review Caregiver profiles and reviews, chat, and select the perfect Caregiver before your service. TRUSTED LOCAL CAREGIVERS 99% of Wag! services receive a perfect 5-star review. Our community of 250,000+ Pet Caregivers nationwide are dog people, and it shows. Pet Caregivers with Wag! have earned the community’s trust with over 10 million pet care services completed across 4,600+ cities. ON-DEMAND OR SCHEDULED SERVICES Book on-demand or scheduled dog walks, sittings, boardings, or drop-ins based on you and your dog’s needs. Book overnight care in the sitter’s home, or your own home. Book drop-in visits for dogs who just need a potty break and some play time. Whatever your schedule looks like, Wag! has you covered. SAFETY AND PEACE OF MIND Each Pet Caregiver with Wag! has been through a comprehensive screening and background check. Review Caregiver profiles, reviews, and chat live with Caregivers on the Wag! app. Customer support resources available to you and your dog 24/7. FAST AND CONVENIENT Wag! dog-walks are GPS-tracked in the app so you can follow along in real-time. In-app messaging lets you easily communicate with your Pet Caregiver before or during your service. Receive live pee & poop notifications and a detailed report card at the end of every booking. We can’t wait to meet your pup!
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/native
Firebase Firestore
BUILD KIT DIFFICULTY
Expert
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.
