App Overview

Zyl icon

Zyl

Fleon Labs · Games

Zyl is a puzzle built around elegant path tracing

$1.99 · In-app purchases

PRICE
$1.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
4.7
9 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.

Build your own version

Build Kit

Make this idea yours

A product spec, screen plans, and build steps for your coding agent.

First kit free with a verified email

Add to a Remix

Combine features and design from your favorite apps.

Kit ready. Verify your email to download it.

What's included17 files

A product spec, phased build plan, differentiation notes, and screen references.

  • START_HERE
  • AGENTS
  • EVIDENCE
  • SPEC
  • BUILD_PLAN
  • DIFFERENTIATION
  • skills/
  • screens/
Preview a sample Build Kit No email needed

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.

JavaScript is required to complete mailbox verification.

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 Zyl: map the core Games workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
            

Preview ready. Verify your email to reveal and copy the full prompt.

JavaScript is required to complete mailbox verification. Return to this prompt preview.

Continue in Rork copies the full prompt to your clipboard first, then opens Rork in a new tab.

Continue in Rork >

Affiliate link: CloneChart may earn a commission at no extra cost

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

Introduce more diverse challenges to keep users engaged.

Assumption to check: Lack of variety in challenges

Validate with people who use this workflow before building.

Hypothesis 2

Add friend challenges and social sharing options.

Assumption to check: Limited social interaction features

Validate with people who use this workflow before building.

Hypothesis 3

Offer more free content or trials to attract users.

Assumption to check: Monetization may deter users

Validate with people who use this workflow before building.

Hypothesis 4

Implement seasonal events or updates to refresh content.

Assumption to check: Repetitive gameplay can become dull

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

Zyl is a puzzle built around elegant path tracing. It's a small, quiet game. Soft colors, clean lines, and nothing on screen you don't need. Drop arrows on the grid to guide each path from its start tile to an exit. Pick up the stars on the way. When you're ready, hit Play and watch the route run. The rules: • Drag arrows onto the grid. • Send every path to an exit. • Pick up every star. • Hit Play to test the route. • Reset and try a new approach whenever. It starts simple, but then the difficulty ramps up: • Boards don't always use a clean grid. • Some levels have more than one start, or more than one exit. • Split arrows send a path off in two directions at once. • Merge arrows converge two paths into one. • U-turn arrows re-route a path from where it came. A few things worth knowing: • 300 handcrafted levels, each built around a single idea. • Levels stay small. Most of them can be finished in less than a minute. • Cloud save syncs your progress across devices. • Relaxing music and sound design. • No timers. • No ads. • No in-app purchases. • No data collected. Every puzzle has a solution. Some have multiple. The fun is in finding it.

Written user reviews are not shown here. Check current App Store reviews >

Screenshots

< Scroll to see more >

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
Supabase
Zustand
React Navigation
react-native-reanimated
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.