App Overview

Photographer's companion Pro icon

Photographer's companion Pro

Stephane DOUCET · Photo & Video

/!\ THIS IS NOT AN APPLICATION TO TAKE PHOTOS, BUT TO HELP TO PERFORM SETTINGS IN MANUAL MODE ON A CAMERA OR A DEDICATED APPLICATION.

$3.99 · In-app purchases

PRICE
$3.99
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 Photographer's companion Pro: map the core Photo & Video 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

Incorporate more advanced photography tools and features.

Assumption to check: Limited tools and features compared to competitors

Validate with people who use this workflow before building.

Hypothesis 2

Design a more user-friendly onboarding and tutorial process.

Assumption to check: User interface can be overwhelming for beginners

Validate with people who use this workflow before building.

Hypothesis 3

Add social features to allow users to share their work and collaborate.

Assumption to check: No community features for sharing projects or tools

Validate with people who use this workflow before building.

Hypothesis 4

Introduce a freemium model with essential features available for free.

Assumption to check: High price point for some users

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

/!\ THIS IS NOT AN APPLICATION TO TAKE PHOTOS, BUT TO HELP TO PERFORM SETTINGS IN MANUAL MODE ON A CAMERA OR A DEDICATED APPLICATION. THIS IS THE AD-FREE VERSION OF PHOTOGRAPHER'S COMPANION WITH MORE FEATURES. This application will help you to abandon the automatic mode of your cameras that doesn't do everything and control everything. For more experienced photographers, it can simplify the settings by doing the calculations for you (/!\ Camera adjustment must be done manually). It includes more than 40 tools and will also allow you to plan your photo outings from home by locating the places and positions of the Sun, the Moon or the Milky Way. In any case, it is not a magic application to make beautiful pictures every time, but it will allow you to find a basic setting to refine to get the best picture you think. It is aimed at professional or amateur photographers (basic knowledge is required) and offers the tools to: - Calculate the alternative/equivalent exposure (manages the ND filter and long exposures) - Calculate the depth of field, hyperfocal and simulation of Bokeh - Calculate the field of view - Calculate the shutter speed to freeze the motion of a subject - Capture/Photograph sunrise/sunset, the golden hour and the blue hour - Get the position of the sun, time of sunrise/sunset, golden hours, blue hours and monthly calendar - Capture/Photograph the moon based on the phase of the day - Capture/Photograph moonlit landscapes - Capture/Photograph lunar eclipse - Get the position of the moon, the hour of moonrise/moonset and the monthly calendar - Capture/Photograph the stars, the milky way without or with star trails (Simulator) - Capture/Photograph the northern lights - Capture/Photograph the lightning and the fireworks - Calculate the best setting for an EV (exposure value) given - Calculate distance or aperture with a flash - Calculate the optimum settings according to the lighting of the place (Light Meter) - Calculate for the macro photo the possible magnification with a close-up lens or an extension tube - Calculate the print size - Time lapse - Planner for landscape photos, from a drone and panorama - Black and whithe film developing - Calculate the reciprocity failure - Bracketing - Tilt lens - Capture/Photograph planets - Panorama - Bellows extension - Get/Set the characteristics of a camera (sensor size, crop factor, sensor resolution, ISO range, shutter speed range, circle of confusion) and set your favorites - Tools . Augmented reality for the Sun, the Moon and the Milky Way . Countdown . Compass . Bubble level . Torch . Notepad . Photographic composition (rule of thirds, diagonal, triangle, golden ratio, golden spiral) . Compose your photos with the colors (chromatic circle) . Ephemeris (Sun, Moon, Milky Way and tide) - Film sensitivity table (ISO, ASA, DIN, GOST) - Night mode - Data Import/Export Do not hesitate to contact me, if you have ideas for changes, improvements, any bugs or for translations ([email protected]).

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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.

SUGGESTED BUILD STACK
React Native
Expo
Axios
React Navigation
React Native Gesture Handler
Shadcn/UI
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.