App Overview

Exacto icon

Exacto

Tinkerworks Apps · Photo & Video

Quickly remove unwanted backgrounds or create razor-sharp photo cutouts with the Pen Selection Tool

$2.99 · In-app purchases

PRICE
$2.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
4.5
616 ratings · Top 15%

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 included18 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 Exacto: 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

Expand filter library and allow custom filter creation.

Assumption to check: Limited filter options compared to competitors

Validate with people who use this workflow before building.

Hypothesis 2

Optimize performance for handling larger images.

Assumption to check: Occasional crashes during high-resolution image editing

Validate with people who use this workflow before building.

Hypothesis 3

Introduce batch editing for multiple images.

Assumption to check: Lack of batch editing features

Validate with people who use this workflow before building.

Hypothesis 4

Implement cloud backup for user edits and projects.

Assumption to check: No cloud backup for edits

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

Quickly remove unwanted backgrounds or create razor-sharp photo cutouts with the Pen Selection Tool. Previously found only in advanced desktop programs, now available for the very first time on iPhone and iPad with a streamlined and much simplified implementation optimized for touch. This incredibly versatile tool offers unique capabilities unmatched by anything else on the App Store. It’s an integral part of the professional toolbox and artists and photographers have relied on it for decades. Now you can too! You no longer have to waste hours working on a single photo only to achieve less than satisfactory results. With Exacto you can make pixel-perfect selections that precisely trace the contours of any subject, no matter how intricate or complex. But that’s not all! Exacto even goes beyond the standard functionality of the Pen Selection Tool by introducing features that provide greater flexibility and control such as the ability to delete and insert points anywhere in the selection, the ability to reset control points, and most importantly, unlimited layers for making multiple selections. In addition, Exacto offers other advanced features that greatly enhance the user experience including unlimited undo / redo, projects autosave, instant preview, and much more! Here’s how it works: 1 - Place points around an area of interest then drag them into position to make a selection. 2 - Add layers to make selections of multiple subjects and areas in your photo. 3 - Keep track of your progress with the full-size instant preview option. 4 - Made a mistake? With unlimited undo / redo your entire editing history is preserved, from start to finish. So you can go backward or forward as many steps as you need. 5 - Must leave in a hurry? With autosave your work is never lost and you can pick up right where you left off at any time. 6 - All done? Save your photo cutout to the Camera Roll or open it in other apps. There’s no limit to the fun and exciting ways you could use your photo cutouts. For example, you could: 1 - Superimpose them on different backgrounds. 2 - Insert them in work or school presentations. 3 - Use them as stickers in chats. 4 - Use them in creating decorative art. 5 - Print them out and make actual cardboard cutouts for special occasions. and on and on! Experiencing issues? Have comments or suggestions for future updates? Please contact us at [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.

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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.