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
Shynr
Make every light glow like a movie scene.
$0.99
PRICE
$0.99
No in-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet
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.
Build your own version
Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
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/
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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 Shynr: 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
Provide a simplified, guided editing process.
Assumption to check: Users often find photo editing tools overwhelming.
Validate with people who use this workflow before building.
Hypothesis 2
Integrate easy sharing options to social media.
Assumption to check: Many apps lack effective sharing options.
Validate with people who use this workflow before building.
Hypothesis 3
Allow users to create and save custom filters.
Assumption to check: Users desire more customizable filters.
Validate with people who use this workflow before building.
Hypothesis 4
Implement non-destructive editing features for photos.
Assumption to check: Non-destructive editing is often missing.
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
Make every light glow like a movie scene. Point your camera at fairy lights, a coffee cup, a face, a diamond Shynr turns real lights into cinematic sparkles in real time. No editing. No presets to buy. Just tap and shine. WHAT'S DIFFERENT • Real-time sparkle rendering on the live camera feed • Live Photos with sparkles — a first for the category • Boomerangs with speed-ramped loops (1s / 2s / 3s) • Photo, video and boomerang modes — all with the same magic • Instagram Stories share in one tap 10 AESTHETIC LOOKS shynr · slay · aura · drip · golden · vibe · frosty · blush · solar · haze Each preset is a full look: sparkle color + palette + color grade tuned together. Swipe the preview to switch. PRO CAMERA FEATURES • Pinch to zoom (0.5× → 6×) • Tap to focus, drag to adjust exposure • Volume buttons + Action button = hands-free shutter • 3 / 5 / 10 second timer • Rule-of-thirds composition grid • Torch, front camera, 3:4 / 1:1 / 9:16 aspect ratios • Long-press capture to save without sparkles (raw version) • Sparkle Wand — tap the screen to place sparkles yourself PREMIUM POLISH Metal-accelerated rendering. Buttery 60fps preview. No ads. No subscriptions. No watermarks (unless you want the badge). Perfect for: night photos, outfit videos, jewellery, café aesthetic, Y2K vibes, TikTok, Instagram Reels, first snow, city lights, weddings. Tag @shynr.app or #shynrcamera to be featured.
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
react-navigation
@react-native-community/slider
react-native-share
react-query
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.
