App Overview

Gudak Cam icon

Gudak Cam

Screw Bar Inc. · Photo & Video

The Gudak Cam has been designed to focus on long-term memory, reminiscence

$0.99 · In-app purchases

PRICE
$0.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
2.9
56 ratings · Below Average

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 Gudak Cam: 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

Include advanced editing tools like filters, cropping, and adjustments.

Assumption to check: Limited editing features compared to full-fledged photo editing apps.

Validate with people who use this workflow before building.

Hypothesis 2

Optimize the app for better performance across a range of devices.

Assumption to check: Inconsistent performance on older devices.

Validate with people who use this workflow before building.

Hypothesis 3

Integrate more sharing options directly to social media platforms.

Assumption to check: Limited sharing options for photos.

Validate with people who use this workflow before building.

Hypothesis 4

Modernize the UI with a fresh design and improved user experience.

Assumption to check: User interface feels outdated.

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

The Gudak Cam has been designed to focus on long-term memory, reminiscence. It is recalling the images you took 72 hours later, when 80% of your memory has blurred and faded away, will turn your short-term memory into long-term memory. Our team also has attempted to reproduce the in-the-moment experience of taking photos by eliminating the Instant Review feature found on conventional digital cameras and reducing 95 % of the conventional viewfinder feature, leaving only the bare minimum needed for taking shots. "Gudak-dari Camera", as its name suggests, refers to a time-worn and antique camera. Living in a digital generation where "Un-do" function is prevalent, we may have lost the thrill of making new and conscious decisions. "Patients is a virtue" has faded its original value and people are getting used to selecting one palatable photo out of a myriad of photos. Amid this so-called "digitalization", we hope you to recall the thrill of making new choices by seizing the "Gudak Moment". Gudak 3.2 Update has added a self-camera feature that allows you to shoot with a front camera as Gudak feels. Experience a new look of Gudak and a variety of emotional photos with front cameras as well as rear cameras. The theme will be updated further in the future. *The Lecoq film is only available in Korea. Also, for those who feel that Gudak photos are dark, you can adjust the brightness of photos through the newly added ISO (based on world standard film sensitivity). A Gudakbook icon has been added to make Gudak photos a real album. Try to experience the feeling of those days through Gudakbook like the excitement I felt when printing the film camera. You can apply for Gudakbook through the print icon on the Printed Envelope Check page. [Explanation of Authority ] Essential access authority - Cameras: Camera access for photography - Save: External Storage Read/Write permissions for photoshooting, storing, and bringing in Selective access * You can use the service without agreeing to access rights. - Location: Location access to tag location information in pictures

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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
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@react-native-async-storage/async-storage
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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.