App Overview

OpLine icon

OpLine

Justin Calvert · Social Networking

OpLine - AllStarLink in Your Pocket

$9.99 · In-app purchases

PRICE
$9.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
5.0
2 ratings · Top 5%

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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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 OpLine: map the core Social Networking 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

Implement advanced algorithms for personalized content recommendations.

Assumption to check: Limited content discovery features

Validate with people who use this workflow before building.

Hypothesis 2

Create gamification elements to encourage regular interaction.

Assumption to check: User engagement drops after initial signup

Validate with people who use this workflow before building.

Hypothesis 3

Introduce customizable notification preferences and filters.

Assumption to check: Difficulty in managing notifications

Validate with people who use this workflow before building.

Hypothesis 4

Optimize image/video compression and upload processes.

Assumption to check: Slow media uploads

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

OpLine - AllStarLink in Your Pocket Connect to AllStarLink nodes anywhere your iPhone has signal. OpLine is a fast, native iOS client for licensed amateur radio operators who want a clean, reliable way to get on the network without fiddling with desktop tools or generic SIP clients. KEY FEATURES Push to Talk Hold-to-talk or tap-to-toggle. Lock the mic when you need both hands free. Designed to feel like a real radio. Live Net Schedule Browse upcoming nets, filter by region or favorites, and set alerts before they start. Never miss a check-in. Smart Favorites Save your daily-driver nodes and the nets you actually attend. Group them however makes sense to you. Real-Time Telemetry RX/TX activity meters, connection status, and link tracking. See exactly what's happening on the network. Worldwide Coverage Connect to any AllStarLink node, from your local repeater to international hubs. Native iOS Built for iPhone with the polish you'd expect. Dark mode, responsive controls, low latency. REQUIREMENTS - A valid FCC-issued amateur radio license and call sign are required to transmit. - An AllStarLink node connection. Your own ASL3 Raspberry Pi node is recommended — see opline.app/setup for a free build guide. - Standard amateur radio rules apply: identify with your call sign, follow Part 97 (or your country's equivalent). WHY OPLINE Most AllStarLink clients started as desktop tools and got retrofitted for mobile. OpLine was designed iPhone-first: instant connect, sub-second PTT response, clean telemetry, and a UI that respects your time. No subscriptions. No ads. No data collection beyond what's needed to make the app work. Built by a licensed ham who wanted a better way to get on the air from a phone. NEW TO HAM RADIO? Visit opline.app/license for a quick guide to getting your Technician license — the only license you need to use OpLine, and the test is more accessible than you'd think. 73, - OpLine

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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
Advanced

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.