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.
If you have the need to send the same message to a bunch of people separately but don't want to copy and paste it every time and you don't want to use group chats, MegaMessenger is for you.
$2.99 · In-app purchases
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.
A product spec, screen plans, and build steps for your coding agent.
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Combine features and design from your favorite apps.
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What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
A product spec, phased build plan, differentiation notes, and screen references.
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Goal: Send a clear invoice after finishing a job.
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.
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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Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
Rork plan preview for MegaMessenger: 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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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
Assumption to check: Limited integration with other apps
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Poor task management features
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Minimal user customization options
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: No recurring tasks functionality
Validate with people who use this workflow before building.
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
If you have the need to send the same message to a bunch of people separately but don't want to copy and paste it every time and you don't want to use group chats, MegaMessenger is for you. Whether you're coordinating with your team, reaching out to clients, or keeping family and friends in the loop, MegaMessenger handles the heavy lifting. Select your recipients, write your message once, and send — each person gets their own individual message, never a group chat. What you can do: Send to dozens (hundreds!) of contacts easily (messages are queued up in the Messagess aop, but due to Apple's restrictions, each message needs you to click send on it) — each receives a personal, individual message Attach photos to your messages Build named Groups (Family, Work, Book Club) for one-tap recipient selection Assign keyboard shortcuts (⌘1–⌘9) to your groups for instant access (macOS only. The macOS version comes bundled with this version) Search and favorite your most-used contacts Review your full send history to easily re-send a past message if you missed someone. Works with iMessage and SMS — automatically falls back to SMS when iMessage isn't available How it works: MegaMessenger uses the Messages app on your device to send each message. No third-party servers. No account required. Your messages route through Apple's infrastructure, just like sending manually — only faster. Login with iCloud: Sync your Groups and Message History across all of your devices. Privacy first: Your contacts and messages never leave your device. MegaMessenger reads your Contacts and controls the Messages app locally — that's it. By using MegaMessenger, you agree to Apple's Standard Licensed Application End User License Agreement (EULA). For more information, please visit https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Written user reviews are not shown here. Check current App Store reviews >
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
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.