App Overview

Low Poly Synth icon

Low Poly Synth

Alexander Zolotov · Music

Low Poly Synth is a generator of melodic atmospheric sounds with billions of unique timbres.

$0.99 · In-app purchases

PRICE
$0.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
4.8
18 ratings · Top 5%

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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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 Low Poly Synth: map the core Music 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 sound libraries and allow user-generated sounds.

Assumption to check: Limited sound options and presets

Validate with people who use this workflow before building.

Hypothesis 2

Implement a more user-friendly pattern editor.

Assumption to check: Difficult to create complex patterns

Validate with people who use this workflow before building.

Hypothesis 3

Add social sharing features for patterns.

Assumption to check: No sharing options for created music

Validate with people who use this workflow before building.

Hypothesis 4

Create onboarding tutorials and tooltips.

Assumption to check: Steep learning curve for beginners

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

Low Poly Synth is a generator of melodic atmospheric sounds with billions of unique timbres. The app is built on modified synthesis algorithms from Fractal Bits, Relic Waves, and Relic Flow, with the addition of pure tone generation code. The sound space is divided into 4294967296 presets, each corresponding to a set of 8 sample textures. The volume of an individual sample can be adjusted in the top panel or via MIDI (Settings -> MIDI Mapping). The bottom panel is a classic musical keyboard that sets the note for the sounds in the set. Each note triggers all 8 samples at once - together they form a complex harmonic pattern that almost never repeats over time due to the different lengths of the looped fragments. Features: * search for new sounds with three buttons: next random set, edit code, previous set; each set of 8 sounds corresponds to a code of 8 characters (you can save/copy/paste it as plain text); * three types of keyboards for live performing: on-screen, PC keyboard, MIDI input; for the on-screen keyboard, you can set the number of displayed octaves and scale; * 20+ parameters can be controlled via MIDI or directly through the app interface: Settings -> MIDI Mapping; * real-time audio recording to WAV (32-bit); * export to: WAV (one file or a set), SunVox (samples + effects in one file), text clipboard; * the LCK button freezes individual samples - they will not change during the search for new sets; * Audio Unit Extension (AUv3), Wi-Fi export/import. Double clicking on a parameter opens a window for setting the exact value. If you enable the Hold option, the notes will play endlessly, without reacting to key release (noteOff) events; turning the note on again works like turning it off; there are two ways to enable this option: 1) using the Hold parameter in the "MIDI Mapping" window; 2) by pressing the HOLD button, which appears in place of LCK while playing the musical keyboard: press HOLD, release the desired notes - then the released notes will continue to play.

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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
Zustand
expo-sound
react-navigation
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.