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
Diptic
Diptic, a former App Store App of the Week, helps you create and share beautiful photo and video collages
$2.99 · In-app purchases
PRICE
$2.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.5
3,005 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 Diptic: 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.
Preview ready. Verify your email to reveal and copy the full prompt.
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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 flexible layout options and user-defined templates.
Assumption to check: Limited customization options for layouts
Validate with people who use this workflow before building.
Hypothesis 2
Add non-destructive editing options like filters and adjustments.
Assumption to check: Lack of advanced editing features
Validate with people who use this workflow before building.
Hypothesis 3
Implement a more consistent and clear navigation structure.
Assumption to check: Inconsistent user experience in navigation
Validate with people who use this workflow before building.
Hypothesis 4
Offer a free tier with essential features to attract more users.
Assumption to check: Higher price point for basic 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
Diptic, a former App Store App of the Week, helps you create and share beautiful photo and video collages. See for yourself why millions of people have downloaded this app! "A simple, elegant way to use pictures to tell your story." – Macworld DIPTIC 101 • Create collages with photos and videos • Super Customizable — Tons of layouts to choose from plus tons of ways to enhance each one. Save your own customized layouts for re-use • Add text captions, filters, colored borders, textured borders & more LAYOUTS AND BORDERS • Choose from 194+ layouts (additional layouts are available as in-app purchases) • Combine up to nine photos and/or videos in each layout • Customize your layouts to better fit your video or images by sliding interior frame lines or moving joints along the line • Create rectangular Diptics (great for printing) with Expandable Layouts (in-app purchase) • Round the inner and outer borders, as well as modify thickness and color, and apply textures to videos and images IMAGE ADJUSTMENTS • Choose from 14 filters, as well as adjust brightness, contrast, hue and color saturation • Pan, rotate, mirror, flip, and zoom individual photos TEXT CAPTIONS • Personalize your Diptic photo and video creations with a text caption • Adjust the font, style, color and size of the text VIDEO ADJUSTMENTS • Add music to any video collage and adjust audio start and stop time • Pick any song from your Music library • Customize video start and stop time IMPORT/EXPORT OPTIONS • Create Diptics with photos or videos from your library, Instagram, Dropbox, Facebook or Flickr, or take a photo on the spot with the camera • Save Diptics for safe keeping or share them with friends. You can send via email, or share by uploading directly to Instagram, Facebook, Twitter, Tumblr or any app that accepts JPGs and/or video files • High-resolution export for pixel-perfect images • Import multiple photos and videos at once and swap media between frames • Add music from your music library to any of your videos Let’s connect! Twitter: @dipticapp Instagram: @dipticapp Facebook: facebook.com/dipticapp Flickr: flickr.com/groups/diptic Please reach out to us at [email protected] if you have any suggestions for the new video features or anything else you’d like to see... we’d love to hear from you!
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
Supabase
react-navigation
react-native-reanimated
expo-image-picker
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.
