App Overview

Offline Music Player - Muzika icon

Offline Music Player - Muzika

MobSoft · Music

manage your music freely with muzika! your modern music player that works entirely offline.

Free · In-app purchases

PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
4.6
2,873 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 included16 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 Offline Music Player - Muzika: 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

Implement an advanced search feature with filters for genre, artist, album, and mood.

Assumption to check: Difficulty in finding specific songs due to lack of advanced search filters.

Validate with people who use this workflow before building.

Hypothesis 2

Enhance offline management with better organization of downloaded songs and playlists.

Assumption to check: Limited offline music management capabilities.

Validate with people who use this workflow before building.

Hypothesis 3

Add features for users to share songs and playlists on social media.

Assumption to check: No social sharing features for music.

Validate with people who use this workflow before building.

Hypothesis 4

Optimize audio streaming and offline playback for a more consistent experience.

Assumption to check: Inconsistent playback experience with buffering issues.

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

manage your music freely with muzika! your modern music player that works entirely offline. take full control of your music collection with smart playlists, an organized library structure, and id3 tag editing. convert video files imported from the files app, camera, or other applications into high-quality audio files. manage and listen to your music instantly with a web interface over wifi. features: • built‑in equalizer with presets (car mode, bluetooth, speakers, headphones, night mode, workout, focus, relax, party, driving, bass boost, treble boost, vocal boost) • advanced video editor: paint, add text, crop, rotate, blur, stickers, and more • bass booster for extra low‑end impact • karaoke mode with synchronized lyrics support • organized library by song, artist, and album • smart and easily manageable playlists • id3 metadata editing • advanced audio conversion from video files • professional audio optimization • files app integration • direct import from the camera roll • seamless background playback • offline mode • advanced search features • favorite songs list • recently played history • shuffle play mode • repeat options • fast forward and rewind • mini player • wifi transfer and remote management via web interface • notification center controls note: all features can be used without an internet connection. the wifi feature is only required for file transfer and web interface access. premium access: with premium access you get unlimited access to all the features muzika has in stock. the app contains the following subscription options: • payment will be charged to itunes account at confirmation of purchase • subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period • account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal • subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's account settings after purchase • any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable privacy & policy https://mob-soft.eu/privacy/ terms of use https://mob-soft.eu/terms/

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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.