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
Circular Tiny Planet Editor
Now supports 360 degree photos! - A new twist on photo editing
$4.99 · In-app purchases
PRICE
$4.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.7
658 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.
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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 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 Circular Tiny Planet 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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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
Add more advanced editing tools like AI enhancements and batch editing.
Assumption to check: Limited editing features compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Optimize image processing and memory management.
Assumption to check: Performance issues with large images
Validate with people who use this workflow before building.
Hypothesis 3
Implement cloud storage for user edits.
Assumption to check: Lack of cloud backup options
Validate with people who use this workflow before building.
Hypothesis 4
Expand sharing options to include social media integration.
Assumption to check: Limited sharing options
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
Now supports 360 degree photos! - A new twist on photo editing. Turn your photos into amazing circular images with Circular+. Circular+ is a fun app with powerful new features never seen before in this type of app. You can easily zoom in and out of your circular image to get it just right. Once you're happy with your image, add professional effects such as lens flares and sky objects like the sun, moon, planets, and birds. REVIEWS "My favorite iPhone app for this purpose is Circular+" - Joanna Stern, Wall Street Journal "I've tried them all and Circular is by far the best "tiny planet" app. You get more controls and fun effects like lens flares and moons. Having a blast with this app!" - Customer Review "I tried different Tiny planet apps, but this is really the best. Love that I can put different things inside the picture ... Thanks for the great work." - Customer Review This app does so much more than just turn your image into a tiny planet. It has all kinds of effects you can add and you have a lot of control over how it twists your image. - Customer Review VIDEO: http://vimeo.com/brainfevermedia/circular Another really cool feature is a collection of "center" objects. These include spheres, planets, and geometric shapes to place at the center of your image circle. This turns your image into a mini world. FEATURES - Super fast and responsive editing - Adjust image zoom, rotation, invert-mode, and repeats - Professional effects: lens flares, sky objects, and centers. The lens flares are the same as the pro desktop app, LensFlare Studio - Filters and Lens Textures - Fun sample images to get your started Tag your photos with #CircularApp for a chance 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.
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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.
