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
Stew Smith's Push-Up Push
Pushup Push is a proven two-week training program designed to increase your pushups by 50% to 100%
$3.99 · In-app purchases
PRICE
$3.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 5.0
1 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 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 Stew Smith's Push-Up Push: map the core Health & Fitness 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
Include more customizable workout plans and variety of exercises.
Assumption to check: Limited exercise variety compared to other fitness apps
Validate with people who use this workflow before building.
Hypothesis 2
Add social challenges and community sharing options.
Assumption to check: Lack of social features for community engagement
Validate with people who use this workflow before building.
Hypothesis 3
Integrate with Apple Watch or Google Fit for better tracking.
Assumption to check: No integration with wearables for tracking
Validate with people who use this workflow before building.
Hypothesis 4
Provide detailed analytics and personalized feedback.
Assumption to check: Basic analytics without advanced insights
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
Pushup Push is a proven two-week training program designed to increase your pushups by 50% to 100%. Created by former Navy SEAL Lieutenant Stew Smith, this simple daily routine delivers fast, measurable strength gains for any fitness level. Originally developed to help candidates prepare for the Navy SEAL Physical Screening Test, the Pushup Push method has been used for over 20 years by military recruits, police applicants, athletes, and anyone looking to dramatically improve their pushup performance. What’s Inside • Step-by-step videos from Stew Smith explaining proper pushup form and how the program works • Daily routine and workout chart guiding you through the full 14-day progression • Automatic reminders to help you stay consistent and complete each day’s session Real User Results • “I went from a max of 60 pushups to 103. It worked great!” • “Jumped from 55 to 82 on my test. This program delivers.” About Stew Smith Stew Smith is a former Navy SEAL Lieutenant, U.S. Naval Academy graduate, and certified strength coach. He has trained thousands for Navy SEAL, Special Forces, SWAT, FBI, and police fitness tests. His work has been featured in Men’s Health, Men’s Fitness, Sports Illustrated, and National Geographic’s Fight Science.
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
React Navigation
react-native-chart-kit
BUILD KIT DIFFICULTY
Starter
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.
