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
Subliminal Video - HD
Subliminal Video - HD is an application that allows you to add hidden images and messages in your videos.
$2.99 · In-app purchases
PRICE
$2.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.2
10 ratings · Top 30%
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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What's included18 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
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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 Subliminal Video - HD: map the core Photo & Video 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
Introduce more advanced editing features like filters and effects.
Assumption to check: Limited video customization options compared to competitors.
Validate with people who use this workflow before building.
Hypothesis 2
Improve stability and performance during the saving process.
Assumption to check: Some users report crashes when saving videos.
Validate with people who use this workflow before building.
Hypothesis 3
Add social sharing options and community galleries.
Assumption to check: Lack of community features for sharing subliminals.
Validate with people who use this workflow before building.
Hypothesis 4
Offer a more flexible pricing model with a free trial.
Assumption to check: High price point for unlocking full 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
Subliminal Video - HD is an application that allows you to add hidden images and messages in your videos. Select and customize as many video frames as you want, replacing them with new images and texts. Most of the viewers won't consciously see those hidden images, which are displayed for a very short time. They can, however, have an unconscious impact on their mind. Use this application just for fun, or to trick your friends. It is now possible to create videos like the famous "Drink Coca-Cola" and "Eat Popcorn" controversial subliminal advertising (in 1957 by James M. Vicary). More recently, the movie Fight Club also used subliminal flashes to insert hidden pictures of Tyler Durden at different points in the movie. Add a unique look to your videos, changing multiple frames to create a specific effect (add color to some images, zoom on a part of the images, change the image, display custom text,...) The application can also be used to tag small parts of the videos with a text of your choice (for instance your signature), so there will be a visual (but slightly hidden) proof that the video is from you. The Input video can be imported from your device in several ways. The modified version (if there is one) or the original version of the video are both available. The camera can be used directly to record a video if needed. You can also connect your device to your computer in order to drag and drop specific videos (Files feature). The output video can be exported in several ways. Create a new video in the Photo app or in the Files app. Directly modify the input video by adding an edited version. Share the video to another application. Portrait and Landscape orientations are supported in all screens. Dark mode of iOS13 is supported. You will find the original and intuitive user interface, common to all our videos applications. These applications have been featured many times by Apple and various websites. DISCLAIMER : This application is for entertainment only and should not be used for any mind therapy functionality.
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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
Zustand
expo-av
expo-image-picker
react-navigation
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.
