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
IPA Installer
attention! this application does not sign .ipa files, it only installs them
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 2.9
68 ratings · Below Average
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 IPA Installer: map the core Developer Tools 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 better error handling and user feedback during installations.
Assumption to check: Unreliable installation process
Validate with people who use this workflow before building.
Hypothesis 2
Expand the range of supported apps and provide user submissions.
Assumption to check: Limited app library
Validate with people who use this workflow before building.
Hypothesis 3
Design a more user-friendly interface with clear instructions.
Assumption to check: Unclear user interface
Validate with people who use this workflow before building.
Hypothesis 4
Enhance testing and debugging procedures to improve app stability.
Assumption to check: Frequent bugs and crashes
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
attention! this application does not sign .ipa files, it only installs them. do not attempt to install .ipa files that you have obtained by any means other than from your developer. ipa installer — your fast and convenient tool for installing ios apps directly from .ipa and .iipa files. perfect for developers and testers looking to accelerate their build testing and delivery cycle. terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ key features: direct installation install any build in .ipa or .iipa format without extra steps or intermediaries. ease of use simply share the desired file from any app — installation starts automatically. built-in file picker quickly locate and select your build using the standard file selection dialog. legacy file support upload and install even older files — unlike cloud services that expire links (typically after 3 days), here there are no time limits. target audience developers, qa engineers, and beta testers who value speed and efficiency in handling test builds. with ipa installer, you’ll always have access to the latest (and not-so-latest) versions of your apps — simple, reliable, and straightforward!
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.
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BUILD KIT DIFFICULTY
Advanced
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.
