App Overview

Noisli icon

Noisli

Noisli Labs UG (haftungsbeschraenkt) · Health & Fitness

The Official app of Noisli.com - The background noise and color generator for working and relaxing

$1.99 · In-app purchases

PRICE
$1.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
4.2
255 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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Combine features and design from your favorite apps.

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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/
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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 Noisli: map the core Health & Fitness 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 library with user-generated sounds.

Assumption to check: Limited sound options compared to competitors

Validate with people who use this workflow before building.

Hypothesis 2

Allow users to share sound mixes with friends.

Assumption to check: No social sharing features

Validate with people who use this workflow before building.

Hypothesis 3

Offer more free sounds or a time-limited trial.

Assumption to check: Paywall after limited sounds played

Validate with people who use this workflow before building.

Hypothesis 4

Implement a more modern design and better UX.

Assumption to check: Basic UI can feel 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 Official app of Noisli.com - The background noise and color generator for working and relaxing. High quality ambient sounds to help you focus while working, relieve anxiety, help during your meditation or yoga classes, or just to relax while reading or before going to sleep. Noisli is mainly used to drown out annoying noises in order to better concentrate and to enhance productivity, or to create a pleasant audio environment for relaxing or sleeping. You’re working from an open office, have loud co workers and can’t focus? You’re working or studying from home or in a library and nothing gets you motivated? You’re continuous travelling on plane or train and need a quick power nap? Noisli makes your life a little easier and keeps you sane during long office hours or intense study sessions. PRESS & MEDIA QUOTES The Next Web – “The perfect tool to help get you more productive in the comfort of your own home” Time – “Noisli helps you tackle busywork” FastCompany – “12 Tech Tools Productivity Experts Can’t Live Without” Cnet – “Relax during your stressful workday with Noisli. It is pure simplicity” LifeHacker – “Noisli Generates Background Sounds to Keep You Creative and Relaxed” The app is also useful in many other situations, such as helping with insomnia, relaxing while reading, reduce stress, soothe headaches and migraines or at the spa, during massaging sessions and for parents to help your baby fall asleep. Noisli is also used to mask Tinnitus and to help with ADD and ADHD. With Noisli you can improve your health and feel better. The service is already being used all over the world by coders, programmers, bloggers, writers, students and translators during work or by teachers during creative writing classes. HOW IT WORKS Mix different sounds and create your perfect sound ambience tailored to your personal need and taste. Activate one or more sounds and adjust the volume slider to create an always different and pleasing sound environment. With Noisli you can boost your focus and enhance your productivity or just lay back, listen, and enjoy falling asleep. SOUNDS Rain, Thunderstorm, Wind, Forest with Birds, Leaves, Water stream, Seaside with seagulls and relaxing waves, Water, Fireplace, Summer night with owls and crickets, Fan, rumbling Train, Coffee Shop, White Noise, Pink Noise, Brown Noise. ALWAYS WITH YOU - OFFLINE SOUNDS The Noisli app lets you play all of the sounds offline and therefore you can always enjoy its features and benefits also while travelling on a plane or commuting on a train, or during any other activity with no need for an internet connection. CREATE AND SAVE YOUR WONDERFUL COMBOS Play and Mix the Sounds together and find your Favourite Combos - Save and Replay them whenever you like. SYNC Now you can sign up for a free Noisli account and have your wonderful Combos always in sync on all your devices. A network connection is required to synchronise. TIMER WITH FADE OUT FUNCTION With the Timer function you can take advantage of efficient time management methods, such as the Pomodoro Technique, to be more efficient and productive while cutting out distractions and prevent burnouts. Use the built-in countdown timer function during work, study or creativity sessions or simply use it as a sleeping timer for taking a relaxed nap or while falling asleep. BACKGROUND AUDIO SUPPORT You can enjoy the wonderful sounds also while using other apps or while surfing the web. FOLLOW US Like it: https://facebook.com/Noisli Follow: https://twitter.com/Noisli Website: https://www.noisli.com

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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
Starter

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.