App Overview

TDF Tracker icon

TDF Tracker

Technical Data Freeway, Inc. · Business

TDF Tracker is an easy to use, powerful tool for those who need to keep track of time/expenses/mileage

$9.99 · In-app purchases

PRICE
$9.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
4.3
11 ratings · Top 30%

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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Combine features and design from your favorite apps.

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What's included17 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.

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.

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

> SELECT BUILD PLATFORM:

Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.

// RORK SYSTEM PROMPT
Rork plan preview for TDF Tracker: 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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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

Allow users to create custom metric categories and fields.

Assumption to check: Limited customization options for metrics tracking

Validate with people who use this workflow before building.

Hypothesis 2

Implement advanced filtering and sorting options for reports.

Assumption to check: Difficulty in generating detailed reports

Validate with people who use this workflow before building.

Hypothesis 3

Enable sharing of data and reports among users.

Assumption to check: Lack of collaborative features

Validate with people who use this workflow before building.

Hypothesis 4

Implement offline data logging and syncing.

Assumption to check: No offline functionality

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

TDF Tracker is an easy to use, powerful tool for those who need to keep track of time/expenses/mileage. Potential users include consultants, lawyers, accountants, contractors and freelance designers - but can include anyone needing a flexible tool for tracking such items. While you could buy one app as a tracker for billable time, another as a mileage reimbursement log, and yet another for reimbursable expense record keeping - if you are looking for the simplicity of one combined application to truly save you time - then TDF Tracker is the perfect choice. Features • intuitive interface makes it easy to be up and going quickly • quick entry of client, project, and task (time) / type (expense) / purpose (mileage) • quick time entry - can be entered using the timer or manually entered/adjusted • flexible timing increments • basic time tracking by duration or more advanced tracking that includes start/end/break • single or multiple running timers • along with time, you can easily track business expenses and mileage for reimbursement • supports both miles and kilometers • support for multiple currencies (Dollar, Pound, Euro, Yen, etc.) • add notes to any entry • daily summary visible on main screen • quick and easy reporting system • daily, weekly, monthly and custom reports • reports can be filtered by client/project • detailed reports can be emailed - in a format that allows pasting into Excel • reports can also be included as csv attachments • backup/restore your database to Dropbox • backup/restore you database via email • supports TextExpander touch snippet expansion If you have a suggestion for making TDF Tracker better, please visit our website www.tdf.com/feedback and submit a feature request. We are always looking for ways to improve TDF Tracker. You can also contact us if you are interested in helping translate/localize for your language.

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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
Starter

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.