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
Bouncer: Spam Text Blocker
Stop unwanted SMS and text messages with Bouncer, the powerful spam blocker and text filter that puts you back in control
$4.99 · In-app purchases
PRICE
$4.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.5
497 ratings · Top 15%
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 included15 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 Bouncer: Spam Text Blocker: map the core Utilities 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
Implement a more user-friendly interface for managing blocked numbers.
Assumption to check: Users often find it difficult to manage blocked numbers effectively.
Validate with people who use this workflow before building.
Hypothesis 2
Enhance the blocking algorithm to ensure better performance.
Assumption to check: Some users report that blocked numbers still get through occasionally.
Validate with people who use this workflow before building.
Hypothesis 3
Provide more settings for users to customize their notification preferences.
Assumption to check: Limited customization options for notifications.
Validate with people who use this workflow before building.
Hypothesis 4
Create an onboarding process to guide users through setup.
Assumption to check: Initial setup can be confusing for new 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
Stop unwanted SMS and text messages with Bouncer, the powerful spam blocker and text filter that puts you back in control. Block scam texts, political messages, phishing attempts, and junk SMS instantly. A perfect and private alternative to expensive SMS blockers like Robokiller. Features: - Advanced Text Message Filter: Block unwanted SMS, stop spam texts, and filter junk messages automatically. Bouncer detects and stops promotional texts, political SMS spam, scam messages, and phishing attempts. Keep your inbox clean from unwanted text notifications. - Complete Privacy Protection: Your text messages never leave your phone. No servers involved - all SMS filtering happens on your device. - Smart Message Blocking: Create custom filters to block specific SMS keywords, stop unwanted texts from specific numbers, and filter out any type of junk messages. Perfect for stopping political texts, blocking scam SMS, and filtering promotional messages. - Automatic Notification Control Stop notifications from spam texts and junk SMS automatically. Only get alerted for messages that matter. - Easy SMS Management: Works seamlessly with your Messages app to block unwanted texts. No complicated setup - just install and start blocking spam messages instantly - Advanced Filtering Rules (PCRE): Use powerful regular expressions to create custom text filters and stop any type of unwanted SMS. - 100% transparent and open source: Check out the code on GitHub: https://github.com/afterxleep/Bouncer Stop spam texts today with Bouncer - your personal SMS spam blocker and text message filter!
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
@react-navigation/native
react-native-async-storage
expo-notifications
TypeScript
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.
