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
Long Video for WhatsApp
Create long stories on Whatsapp!
$1.99 · In-app purchases
PRICE
$1.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.5
48 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 Long Video for WhatsApp: map the core Social Networking 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
Offer more flexibility in video length for free users.
Assumption to check: Limited video length options for free users
Validate with people who use this workflow before building.
Hypothesis 2
Simplify the paywall and clarify benefits of in-app purchases.
Assumption to check: In-app purchase process can be confusing
Validate with people who use this workflow before building.
Hypothesis 3
Improve stability and performance during video editing.
Assumption to check: Occasional crashes during video processing
Validate with people who use this workflow before building.
Hypothesis 4
Integrate more sharing options to enhance user engagement.
Assumption to check: Lack of social sharing features
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
Create long stories on Whatsapp! Split videos for Whatsapp Status! Easily share on any other social platform. Post high quality, UNLIMITED length videos to social platform stories and status in fast , efficient and easy way. Now you don't have to squeeze you in limited seconds. You have some limitations on Social platforms while posting story and status: In Instagram Stories you can post videos only up to 15 sec in length, In Facebook Stories you can post videos only up to 20 sec in length, In Whatsapp Statuses you can post videos only up to 30 sec in length, In Snapchat Statuses you can post videos only up to 60 sec in length, Long video for Whatsapp app helps by cutting long videos 15, 20, 30 and 60 seconds and then you can easily post your videos to these social platforms. Features of App: * Pick a video from any folder in your camera roll * Split video in clips, depend on chosen social platform * High quality Video * Unlimited length video import from album * Fast and easy * Separate album for generated clips * Clips arrange in correct order in phone album * Jump to Instagram, Whatsapp, Facebook or Snapchat easily after splitting the status video or story video. You can name this app as video slicer, video cutter, video cropper, status clipper or status splitter. A must have utility application, continual status for whatsapp. Note : This App is not not affiliated or endorsed by WhatsApp. This is independent and third party app. Which helps splits video in clips so that you can post long video to whatsApp status and to other social platforms.
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
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.
