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
Task Timeline Gantt
**Task Timeline Gantt — Plan, Track, and Deliver**
$5.99
PRICE
$5.99
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.
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A product spec, screen plans, and build steps for your coding agent.
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What's included
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.
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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
**Task Timeline Gantt — Plan, Track, and Deliver** Whether you're managing a product launch, a home renovation, or a personal project, Task Timeline Gantt gives you the clarity to see exactly where everything stands — and what needs to happen next. **A Timeline That Actually Makes Sense** The Gantt chart view puts your entire project on one screen. Drag to move tasks, resize bars to adjust durations, and see how everything fits together at a glance. Need to mark a key delivery date? Zero-duration milestones render as crisp diamonds so critical moments never get lost in the timeline. **Dependencies That Keep You Honest** Link tasks together so you always know what's blocking what. Dependency arrows connect automatically — even to milestone diamonds — so your schedule reflects reality, not wishful thinking. **Kanban When You Need It** Switch to the Kanban board when you want to focus on status rather than schedule. Drag cards between columns to move work forward. Both views stay in sync, so you're always looking at the same underlying data no matter which perspective you prefer. **Export in Any Format** When it's time to share your plan, Task Timeline Gantt has you covered: - **PDF** — sharp, print-ready, and easy to attach to any email or document - **PNG** — a clean image of your chart, ready to drop into a presentation or report - **Excel** — a full spreadsheet of your task data, compatible with Microsoft Excel and Apple Numbers - **XML** — a project file importable into other planning tools Exports are generated entirely on-device. No account required, no data sent to a server. **Seamless iCloud Sync** Your projects stay in sync across all your Apple devices automatically via iCloud. Start a plan on your iPhone, refine it on your iPad, and present it from your Mac — everything is always up to date. **Built for iPhone, iPad, and Mac** Task Timeline Gantt is a single universal purchase that runs natively on all your Apple devices. The Mac app is a full-featured desktop experience — not a scaled-up phone app — with a fixed side panel, native save dialogs, and keyboard-friendly interactions. **Private by Design** Your project data belongs to you. Task Timeline Gantt does not collect personal information, does not serve ads, and does not require an account. Everything is stored locally and in your own private iCloud container. **Entries (projects, tasks, owners and categories) can be in your native language!** --- *Plan with confidence. Ship on time.*
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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.
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
BUILD KIT DIFFICULTY
Not assessed in a Build Kit yet.
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.
