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
InstaSize: AI Photo Editor
With over 100 million creators, InstaSize is the complete photo editor + crop made just for you.
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.7
327,138 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.
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 included18 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 InstaSize: AI Photo Editor: 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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App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Screenshots
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App Store description
With over 100 million creators, InstaSize is the complete photo editor + crop made just for you. Easily edit and resize photos or videos with premium photo filters, presets, cropping, and color editing tools. Quickly combine images to make a fun, one-of-a-kind photo collage layout. Resize and crop your photo or video to fit perfectly on any social platform including Instagram, Snapchat, Pinterest, Twitter and more. MAGIC FILL™ • Easily Expand and uncrop your image to fit any aspect. • Use cutting-edge AI to intelligently generate pixels, ensuring extensions blend seamlessly with the existing image, maintaining quality and integrity. • Perfect for eliminating white borders and fitting images into any aspect ratio, making it ideal for social media, web design, and all forms of digital content creation. OBJECT REMOVAL • Effortlessly remove unwanted objects from your photos with precision, letting your images look clean and professional. FREE PHOTO EDITOR • Instantly make your photos look better with our free photo filters and presets. • Enhance your image with powerful photo editing tools including contrast, exposure, saturation, grain, and clarity RESIZE & CROP • Quickly resize photos and crop videos for social networks including Instagram, TikTok, Twitter, Pinterest, and more. • Crop pictures to the perfect format every time — the ultimate image cropper tool. BACKGROUND REMOVAL • Instantly transform your photos with our powerful background removal tool. • Effortlessly isolate your subject for a clean, professional look. • Perfect for product images, profile photos, or creative edits BATCH EDIT • Revolutionize your image processing with our robust batch editing tool. • Quickly process and edit multiple images simultaneously. Applying changes such as resizing, presets and adjustments across all your photos. • Maintain consistent high-quality results across all images, ensuring your resized photos maintain clarity and quality FREE VIDEO EDITOR • Quickly create and edit videos with our easy-to-use video editor. • Edit your videos with our premium video filters and effects. • Crop and export video for any format size including Instagram Stories, TikTok, and Snapchat. FILTERS & PRESETS • Over 130 filters for photos and videos makes it easy to add your favorite presets on any image. • From natural look filters to retro aesthetic presets, there is always the perfect filter for your photo or video. COLLAGE MAKER • Easily combine multiple photos with our easy to use free photo collage maker app. • Choose your favorite photo collage template from hundreds of different possible layouts. • Try different frames and backgrounds to give your photo collage a unique touch. PREMIUM Unleash your creativity with InstaSize Premium! Transform your photos effortlessly with our exclusive tools: • Magic Fill: Easily Expand and uncrop your image to fit any aspect. • Object Removal: Say goodbye to unwanted distractions with just a tap. • Background Remover: Instantly isolate your subject for a clean, professional look. • 130+ Premium Filters: From retro vibes to natural aesthetics, get the perfect filter for every mood. — Instasize Premium will automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period. Payment will be charged to your iTunes Account at confirmation of purchase. You may manage your subscription and turn off auto-renewal by going to your Account Settings after purchase. Terms of use: http://instasize.com/terms Privacy Policy: http://instasize.com/privacy
Written user reviews are not shown here. Check current App Store reviews >
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 features in the free tier to attract users.
Assumption to check: Limited free features
Validate with people who use this workflow before building.
Hypothesis 2
Optimize the app for better performance on lower-end devices.
Assumption to check: Performance issues on older devices
Validate with people who use this workflow before building.
Hypothesis 3
Provide better onboarding tutorials and tooltips.
Assumption to check: Steep learning curve for new users
Validate with people who use this workflow before building.
Hypothesis 4
Ensure all filters have consistent output quality and performance.
Assumption to check: Inconsistent filter quality
Validate with people who use this workflow before building.
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
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.
