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
Perfect Video
Perfect Video is a really EASY TO USE and Full featured video/slideshow editing app
$4.99 · In-app purchases
PRICE
$4.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.8
920 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 included15 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 Perfect Video: 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
Offer a wider variety of customizable filters.
Assumption to check: Limited filter options compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Improve stability and performance during video processing.
Assumption to check: Occasional crashes during export
Validate with people who use this workflow before building.
Hypothesis 3
Implement a guided tutorial for first-time users.
Assumption to check: Steep learning curve for new users
Validate with people who use this workflow before building.
Hypothesis 4
Optimize the app for better performance across a wider range of devices.
Assumption to check: Inconsistent performance on older devices
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
Perfect Video is a really EASY TO USE and Full featured video/slideshow editing app. It lets you quickly Trim, Merge, Split, Reverse, Rotate, Mirror, Flip and Crop clips, add Subtitles, add Mosaic, add Watermark, Photos, and Text, pick Transitions, add Music and Recordings, and export your video clips. [PREMIUM FEATURES] 1. Keyframe animations: Various editing operations can add key points. 2. Picture in Picture Video. 3. Split Screen: Playing two videos side-by-side. 4. Chroma Key (Green/Blue Screen): Replace the video solid background with a video or photo. 5. Mosaic Video: Pixelate or blur or Highlighted a part in the video. 6. Video Color: Adjust the video color (Brightness, Contrast, Saturation, Hue,…) in a real-time manner. 7). Photo Motion: Set Ken Burns effect for photos. [OHTER FEATURES & HOW TO USE] 1) Importing Videos or Photos: Add multiple videos or photos to a project instantly. 2) Multiple canvas ratios: Video original size, 1:1, 4:5, 16:9, 9:16, 4:3, 3:4, 19.5:9, 9:19.5, 3:2, 2:3, 2:1, 1:2, 2.39:1 . 3) Canvas background setting: Set the color or make background blur, or add a custom picture. 4) Combine: Merge multiple videos, photos or text into one video clip. 5) Split: With this feature, you can remove the middle part of the video, speed up/down part of the video. 6) Video to picture: Extract still images from video via Split feature. 7) Trim: Cut out any unwanted moments. 8) Slow Motion: Slow down or speed up video (0.25x-6x). 9) Crop & Mirror & Flip & Rotate and Angle adjustment . 10) Reverse: Reverse video playback. 11) Duplicate: Duplicate projects or create duplicates of video clips. 12) Animated Subtitles: Add animated text or images to videos. 13) Watermark: Display your own logo on video. 14) Volume: Mute the video or increase the video volume (0-500%). 15) Music: Add multiple songs to a project. You can also choose a specific part of a song to include in your project by trimming it. 16) Sound Effects: Choose from many pre-defined sound effects. 17) Transitions: Select from a host of pre-defined video clip transitions. 18) Video Fade In/Out: Configure the fade-in and fade-out options in the Settings screen for the first and last shots. 19) Compress Video: Reduce video file size dramatically without reducing video resolution. 20) Save Storage Space: Perfect Video only saves the video location so imported videos don’t take up valuable storage space (just DON'T DELETE the original video you're editing). 21) High Resolution: Support for several formats, including 1920x1080HD, and support for up to 4K resolution on iPhone 6s, iPhone 6s Plus, iPad Air 2, iPad Pro and later. 22) Share: Save your video to your Camera Roll or share it on Instagram, Facebook, YouTube or via email. 23) Instant Actions: All actions are performed in an instant manner. No need to wait any more! If you have a question or suggestion, please contact us. We’ll get right back to you. Thanks! Email: [email protected]
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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.
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BUILD KIT DIFFICULTY
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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.
