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
Story Cutter for Instagram
Story Cutter will take any video from camera roll or lets you record directly from your iPhone camera and split it to clips of 15seconds, and saves them to the camera roll so that you can upload them to Instagram Stor...
$3.99 · In-app purchases
PRICE
$3.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.8
56 ratings · Top 5%
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 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 Story Cutter for Instagram: 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
Include more advanced editing options like trimming, filters, and transitions.
Assumption to check: Limited video editing features compared to desktop software
Validate with people who use this workflow before building.
Hypothesis 2
Simplify the purchase process and clearly state benefits of each tier.
Assumption to check: In-app purchase confusion
Validate with people who use this workflow before building.
Hypothesis 3
Optimize video processing and provide feedback during lengthy operations.
Assumption to check: Performance issues with longer videos
Validate with people who use this workflow before building.
Hypothesis 4
Implement an onboarding tutorial to guide new users through the app.
Assumption to check: User interface can be complex 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
Story Cutter will take any video from camera roll or lets you record directly from your iPhone camera and split it to clips of 15seconds, and saves them to the camera roll so that you can upload them to Instagram Stories effortlessly. Features; - Video are exported Full HD and 4K video. - Divide long videos into separate clips of any length. - Clips are exported in chronological order so you know what order to post them in. - All video formats are supported. - No instagram login requires - No instagram app requires Story Cutter will take any video from camera roll and split it to clips of 15 seconds, and saves them to the camera roll, so that you can upload them to IG Stories effortlessly. In Instagram Stories you can post videos only up to 15 sec in length, Story cutter app helps by cutting long videos in to 15sec clips so that you can upload them sequentially. Now you don't have to squeeze your stories to 15 seconds. Don't get cut off in the middle of you talking to your followers. Talk and record as long as you want, Upload* it all. A must have utility, if you promote your business, personal brand through long stories. Just it! Enjoy...
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
Axios
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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.
