App Overview

Trek Log icon

Trek Log

Jason Irwin · Travel

Record where you go

$1.99

PRICE
$1.99
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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Build Kit

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A product spec, screen plans, and build steps for your coding agent.

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What's included15 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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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 Trek Log: map the core Travel workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
            

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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

Record where you go. Own what you record. TrekLog is a GPS trek recorder that saves your routes as standard KML files directly to your phone or iCloud Drive. There are no accounts to create, no servers involved, and no data leaving your hands. You don’t even need an active Internet connection. What you record belongs to you. Completely. Permanently. Privately. TrekLog can also export your journeys as animated GIFs or MP4 videos, ready for YouTube, social media, video editors, or anywhere else you want to share your adventures. WHAT IT DOES Press play. Walk, hike, drive, or explore. TrekLog records your GPS coordinates, altitude, heading, and timestamps as you move. When you finish, your route is saved as a KML file in your iCloud Drive, ready to open in Google Earth or any mapping tool that supports the format. Recording continues in the background; lock your phone, switch apps, or put it in your pocket. TrekLog stays on, quietly doing its job. PAUSE AND RESUME Real journeys are rarely uninterrupted. Pause when you stop, then resume when you’re ready. Each continuous stretch of movement is stored as its own track segment, so pauses appear as natural breaks rather than straight-line jumps. If you forget to resume, TrekLog notices when you start moving again and sends a quiet notification. Tap to continue, and any missed movement is folded into your route. Nothing is lost. ROUTE PLAYBACK Open any saved trek and press play to watch your route draw itself across the map. The full journey plays back in 5, 10, or 15 seconds; a quick way to relive a long hike, revisit a road trip, or share where you’ve been. EXPORT FOR SHARING Export your routes as animated GIFs or MP4 videos in 720p, 1080p, or 4K resolution. Route animations are perfect for YouTube travel videos, scenic drive recordings, hiking journals, or sharing your adventures online. MP4 exports work beautifully with editors like Final Cut Pro, DaVinci Resolve, and iMovie, making it easy to integrate route animations into larger video projects. LIVE MAP While recording, a live map shows your route building in real time, along with a directional indicator showing where you’re headed. Paused movement appears as a dashed line, clearly separated from your active track. The map is there when you want it. Recording continues whether you’re looking at it or not. TREK HISTORY Every completed trek is saved in the History tab, sorted by date. Tap any entry to view it on the map alongside key details: start time, duration, distance, and point count. Delete treks anytime, directly from the app. YOUR DATA, YOUR WAY TrekLog’s KML files are plain XML. Open them in any text editor, import them into Google Earth or GIS software, or store them wherever you like. Because your files live in your iCloud Drive, they sync automatically across your devices with no extra setup. HONEST PRICING TrekLog is a one-time purchase. After that, it’s yours. No subscriptions. No ads. No locked features. Every update is included.

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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

Offer additional features like in-app messaging or social sharing.

Assumption to check: Limited features compared to competitors

Validate with people who use this workflow before building.

Hypothesis 2

Implement a review system to build trust and gather feedback.

Assumption to check: Lack of user reviews and ratings

Validate with people who use this workflow before building.

Hypothesis 3

Enable offline log creation and syncing when back online.

Assumption to check: No offline functionality

Validate with people who use this workflow before building.

Hypothesis 4

Allow users to customize log templates or formats.

Assumption to check: Limited customization options for trip logs

Validate with people who use this workflow before building.

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
React Native
Expo
Zustand
React Navigation
expo-image-picker
TypeScript
BUILD KIT DIFFICULTY
Intermediate

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.