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.
App Overview
Sherlock: AI Face Search
Search for anyone's online presence from just a picture of their face.
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.4
6,407 ratings · Top 30%
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.
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
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for Sherlock: AI Face Search: map the core Utilities 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 a more generous free tier or referral program.
Assumption to check: Limited usage without a subscription after a few searches.
Validate with people who use this workflow before building.
Hypothesis 2
Enhance AI algorithms for better accuracy.
Assumption to check: Inconsistent results in face matching.
Validate with people who use this workflow before building.
Hypothesis 3
Allow users to filter and sort results.
Assumption to check: Lack of customization options for results display.
Validate with people who use this workflow before building.
Hypothesis 4
Add offline capabilities for previously searched images.
Assumption to check: No offline functionality.
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
Search for anyone's online presence from just a picture of their face. FEATURES - Identity Verification: Stay safe online by uploading a picture of someone's face and quickly finding their social media profiles, appearances in blogs, video and news websites. - Never get catfished again: Upload a screenshot from a dating profile to check for fake dating profiles, romance scammers, or sex offenders. - Better than reverse image search: Use any photo of someone's face, even if their face is partially covered or at an angle. - Wide coverage: Over 1 billion faces indexed and counting. SUBSCRIPTION INFORMATION - Credits are required to search for someone's online presence. You can either purchase these via a subscription or in-app purchase. Each subscription tier gives you an amount of credits per week. Unused credits can expire. You can top these up using in-app purchases. - Payment will be charged to your App Store account at confirmation of purchase. - You can cancel your subscription here: https://support.apple.com/en-gb/118428 - Your subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. - The account will be charged for renewal within 24-hours prior to the end of the current period. - When purchasing a subscription, any unused portion of a free trial period will be forfeited. Privacy Policy: https://www.imsherlock.com/privacy Terms & Conditions: https://www.imsherlock.com/terms Apple's Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Written user reviews are not shown here. Check current App Store reviews >
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
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Zustand
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expo-image-picker
BUILD KIT DIFFICULTY
Expert
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.
