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
Postio
Postio is the mobile companion for your Postiz server.
$1.99 · In-app purchases
PRICE
$1.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet
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 included16 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 Postio: map the core Productivity 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
Focus on user feedback and improve features based on suggestions.
Assumption to check: Lack of user reviews and ratings can deter new users
Validate with people who use this workflow before building.
Hypothesis 2
Integrate with popular tools for better user experience.
Assumption to check: Limited integration with other tools (e.g., calendars, task managers)
Validate with people who use this workflow before building.
Hypothesis 3
Implement cloud sync to ensure data is accessible on multiple devices.
Assumption to check: No cloud sync option for data
Validate with people who use this workflow before building.
Hypothesis 4
Create a clean and minimal design to enhance usability.
Assumption to check: User interface might feel cluttered
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
Postio is the mobile companion for your Postiz server. Plan, schedule, and manage social media posts across platforms — right from your iPhone. Whether you’re running a self-hosted Postiz instance or using Postiz Cloud, Postio keeps your content pipeline in your pocket. ▶ What you can do with Postio - View all your posts at a glance - Drafts - Scheduled posts - Published posts - Failed posts (and fix them fast) - Schedule once, post everywhere Create and schedule posts for multiple social platforms Manage everything from a single, clean interface - Stay consistent Set a daily posting reminder so you never forget to publish Build a habit without opening your laptop - Built for Postiz users Works with self-hosted Postiz servers Fully compatible with Postiz Cloud ▶ Why Postio? Postio is focused, fast, and mobile-first. No extra dashboards. No unnecessary features. Just the tools you need to stay consistent and in control of your social content — wherever you are. ▶ Your data, your server Postio connects directly to your existing Postiz setup. Your content stays on your infrastructure. Note: Postio requires an active Postiz server (self-hosted or cloud). Postio is not affiliated with Postiz project or with any social media platforms directly.
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
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date-fns
react-query
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.
