App Overview

Guitarism - Pocket Guitar icon

Guitarism - Pocket Guitar

Rhism LLC · Music

Over a million downloads

$4.99 · In-app purchases

PRICE
$4.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
4.6
57 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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A product spec, screen plans, and build steps for your coding agent.

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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 Guitarism - Pocket Guitar: 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

Add more complex chord and scale options.

Assumption to check: Limited features for advanced guitar players.

Validate with people who use this workflow before building.

Hypothesis 2

Simplify purchase flow with clear explanations.

Assumption to check: In-app purchase model can be confusing.

Validate with people who use this workflow before building.

Hypothesis 3

Implement a community feature for sharing and collaborating.

Assumption to check: Lack of social features for sharing songs.

Validate with people who use this workflow before building.

Hypothesis 4

Optimize audio playback for different devices.

Assumption to check: Audio quality can vary based on device.

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

Over a million downloads. 9,000+ user reviews. 4.5 star avg rating. Get it now! "My guitarist friend had a stroke that paralyzed the left side of his body and left him unable to play. I fired up Guitarism and handed my iPhone to him. A minute later he was singing and playing, his wife began to tear up and the smiles filled the room. Thank you thank you thank you." - 5 star user review from Canada "After losing a finger in an accident, I have searched for a way to play guitar again. The first time I played with this app, I cried; I was finally playing guitar again. Thanks so much." - 5 star user review from the United States Time.com: "simulates the experience of strumming away on six strings" MacLife.com: "beautiful acoustic tones" Evolver.fm: "a virtual acoustic guitar that anyone can play" Apps4iDevices: "Killer App" SmiteMatter: "amazingly playable design ... 5 stars!" theiphoneappreview.com: "Fantastic sounding" appchronicles.com: "Life-like guitar sounds" appdictions.com: "Top notch" "Everyone I show this to - WANTS it!"
 - 5 stars "feels like a real musical instrument"
 - 5 stars "can't make it sound bad"
 - 5 stars "My wife often asks me why I’m playing (guitar) in the kitchen and then realizes it’s the app"
 - 5 stars "Don't need any musical knowledge, you will gain it as you play"

 - 5 stars "Mind blown"

 - 5 stars Featured on MacLife's "8 Apps for Guitar Enthusiasts" and Music App Blog's "25 iOS music apps to get you started" ---
 A guitar app for those who love the physical, visceral experience of playing guitar, with an online community for limitless inspiration and feedback! guitarism offers a highly tuned strumming interface integrated with spectacular guitar samples. The result of years of iteration, improvement and polish, you won't find a better-sounding or more playable guitar app on the App Store. - Unrivaled sound quality - people will think you're playing a real guitar! Other guitar apps don't compare - The most natural interface around - literally play with your eyes closed - A complete suite of stunning acoustic and electric guitars, a powerful electric amp, fantastic effects, beautiful skins and a diverse range of presets to give you maximum control over your tone and sound! - Beautiful artwork from graphic artist Ryan Hemeon - Play along with songs from your music library, and save chord presets per song - Record and share your performances with the community and your friends - Watch others' performances for inspiration and download their chords - Get feedback and stats on your published performances, and climb the charts - Universal app for iPad, iPhone and iPod touch. Hold your iPad like a guitar and fret the chords! - Integrate with your DAW via AudioCopy and export to iTunes File Sharing and Garageband - Audiobus support! Now you can use guitarism as an Audiobus input and send live audio directly to other Audiobus-compatible apps. E.g. use Audiobus to connect guitarism to AmpKit and get live guitar effects in guitarism! See http://audiob.us for more information. Note: iPhone 4S+ / iPad 2+ required for Audiobus - Quadroplay: simultaneously control guitarism and up to 3 additional MIDI-compatible apps (e.g. GarageBand) in complementary roles: guitar, bass and chords. Quadroplay turns guitarism into an advanced multi-channel MIDI controller - Demo videos at www.youtube.com/rhismnation - Rock out with guitarism today! --- I am an independent developer, working hard to make guitarism the best guitar app possible. If you have any issues please email me at [email protected] - I reply to every support request! Download guitarism now and start rocking out!

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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.