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.
GContact is the most popular contact management software with easy-to-use
$19.99 · In-app purchases
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.
A product spec, screen plans, and build steps for your coding agent.
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Combine features and design from your favorite apps.
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What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
A product spec, phased build plan, differentiation notes, and screen references.
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Goal: Send a clear invoice after finishing a job.
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.
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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Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
Rork plan preview for GContact: map the core Business workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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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
Assumption to check: Limited contact organization features
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: No cloud sync options
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Inconsistent UI design
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: High initial cost without trial
Validate with people who use this workflow before building.
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
GContact is the most popular contact management software with easy-to-use. Features New Features(New!) Add todo task feature for contacts. Features 1. Contact could be gathered in the groups automatically by company names. 2. Groups could be created, edited, or deleted freely. 3. You could also create, delete, and edit a single contact. 4. It support to search for contacts 5. And send email to all group members 6. Fantastic respond speed 7. Support to send sms/mms to all group members *The group mms just support the emoji only,picture and camera it can not be support in this version. 8.You could change the group's sort 9.You could change the group's color 10.drag & drop for the group editing 11.Contacts backup and save to iCloud 12.QR code reader 13.Backup your contacts and shared your archive file by iTunes connect or EMail Mark: English,Japanese,Chinese versions are available. Tips: Click group bottom twice continuously, you will see the menu including “Edit Group Members” “Change Group Name/Color” “Delete Group” “Send Group Mail” “Send Group SMS/MMS" “Cancel”. We do apologize for the inconvenience to customers which caused by our incomplete illustration. The following is the summary of questions mentioned by customers. Thanks you so much for your treasure feedbacks. FAQ: 1. How to add contacts to groups (1) Please have a browse of the tip mentioned above for reference. (2) Firstly, click a contact in “No Group”, which you would like to add to a certain group. And then you will see a menu including “Contact Detail” “Join in group” “Cancel”. Once you choose and click “Join In Group”, the contact could be ready to add to your favor group. 2. How to delete the group which has been already added? (1) Please have a browse of the tips mentioned above for reference. (2) If you have cancelled GContact software, and plan to delete the groups remained in Apple’s Contacts, there are several ways to deal with it. One is deleting the groups by Exchange or Itune, and connecting your iphone or itouch to the computer, then doing synchronization. Another one is installing GContact again, and deleting the groups by it. Because the function of deleting groups is not supported by Contacts, and only supported by SDK software of Apple. 3. How to change the name of groups? Please have a browse of the tips mentioned above for reference. 4.Why some groups are added automatically, although we did not do any edition on it? We are afraid it is not caused by GContact, but may be caused by other familiar software or others’ computers, while doing synchronization on it.
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Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
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.