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.
Track Kit is a great GPS tracking and publishing app packed with tons of cool features from Pro version.
$3.99 · 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.
First kit free with a verified email
Combine features and design from your favorite apps.
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Generating… usually about a minute.
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 Track Kit - GPS Tracker with offline maps: map the core Navigation 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 offline map features compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Inconsistent search results
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Poor user onboarding experience
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Subscription options may be confusing
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.
Track Kit is a great GPS tracking and publishing app packed with tons of cool features from Pro version. Instead of paying $4.99 get Track Kit just for $3.99 right NOW! Don't miss the SALE with a lower price! Would you like to explore new places even before you start traveling? Do you want to share travel routes and pictures with your friends? Track Kit – is not only multifunctional tracker but also a unique free web service for exploring, editing and presenting your travel routes. Features: TRACK RECORDING [+] One BIG RED BUTTON for recording your track. [+] LARGE map screen. [+] Quick camera button. [+] Brief statistics can be expanded by vertical swipe on a red panel. [+] (i) button for complete real-time stats and scrollable charts. [+] Segments and splits. [+] Following a pre-loaded track. [+] Appending a pre-loaded track. [+] Multi-color gradients for SPEED, ALTITUDE and VERTICAL SPEED. [+] Follow my location mode - observe current position. [+] Track recording in background. [+] ADVANCED. Energy saving mode. [+] ADVANCED. Recording intervals for track optimization. [+] ADVANCED. Douglas-Peucker track point reduction. [+] ADVANCED. GPS data filters. ------- Recommended ***** v.2.1 - Mar 29, 2015 This app is a must have for travelers, many powerful features and offline maps very useful. Recommended. ------- FREE OFFLINE MAPS The application includes some of the popular maps including Google Maps, Bing, OSM, MapQuest, Yandex, USGS. [+] 16 downloadable map sources from total of 27 providers. [+] Worldwide coverage [+] ADVANCED. Up to 19 zoom levels: select only necessary data to download [+] USGS Topo maps ------- Great ***** v.2.1 -Mar 31, 2015 I have tried this app today and all I can say is WOW. Offline maps is hands down very much needed. Thanks devs ------- LABELS AND WAYPOINTS [+] Store favorite locations either as labels of waypoints [+] Add fully editable waypoints with pictures text, URL, audio notes [+] Add IMAGES to your track in 1 click using adjustable mini-camera button [+] Add labels to your maps [+] Use GPS to create precisely accurate location for labels [Add label button] [+] ADVANCED. Track bearing and distance to labels in real-time MAP TOOLS [+] Search on the map [+] Multipoint distance measurement and radius overlay. [+] Measure distance between points [+] Measure angles and bearing WORKING WITH TRACKS [+] Record [+] Share [+] Search tracks [+] ADVANCED. Compare tracks [+] ADVANCED. Optimize tracks REAL-TIME TRACKING [+] Track your friends in real time (internet connection is required)! SENSOR RECORDING [+] Record sensors! Go to options to select sensors to be recorded. COMPASS [+] Easily navigate to waypoints with the advanced compass. SHARING AND PUBLISHING [+] Publish tracks on www.track-kit.net web site. [+] Share your tracks and pictures with friends via Gmail, Facebook or Twitter. [+] GPX, KML, KMZ file import and export [+] KMZ file can be imported to Google earth WWW.TRACK-KIT.NET web site was created to make sharing of your tracks as easy as possible. Register for FREE to be able to share your tracks with the world! IMPORTANT NOTES. 1.While recording tracks the application uses GPS in background mode. Continued use of GPS running in the background can dramatically decrease battery life. 2.To keep your tracks stored on the server, please register for FREE at www.track-kit.net. 3.iPod Touch and Wi-Fi only iPads - This application will not be fully functional on these devices, unless you have an external GPS attachment. Would you like to learn more? https://www.facebook.com/pages/Track-Kit/1437725253174593
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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.