App Overview

Tomplay Sheet Music icon

Tomplay Sheet Music

Tombooks · Music

#1 Music Practice Tool — trusted by Yamaha, Kawai, and ABRSM

Free · In-app purchases

PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
4.7
6,608 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 Tomplay Sheet Music: 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

Offer more free samples or trial access.

Assumption to check: Limited sheet music access on free tier

Validate with people who use this workflow before building.

Hypothesis 2

Simplify annotation features for better user experience.

Assumption to check: Difficulties with annotation tools

Validate with people who use this workflow before building.

Hypothesis 3

Implement offline access for free users with limited functionality.

Assumption to check: No offline access without subscription

Validate with people who use this workflow before building.

Hypothesis 4

Optimize search algorithms for faster results.

Assumption to check: Search functionality can be slow

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

#1 Music Practice Tool — trusted by Yamaha, Kawai, and ABRSM. Used by over 2 million musicians and hundreds of music schools worldwide. Learn and Play your favorite pieces with Tomplay! Access thousands of sheet music titles with professional backing tracks for all instruments and levels. —————————— WHY MUSICIANS PRACTICE WITH TOMPLAY • Never play alone! Play along with high-quality audio recordings from professional musicians • Mute your instrument, and play while the sheet music scrolls automatically on your screen with the music • Slow down or speed up the tempo to adjust it to your level • Note by note practice: The score advances only when you play the right note • Smart page-turn mode: The app listens to your playing and turns the pages automatically (for piano) • Record yourself and play back your performance to track your progress • Add your own annotations directly on the score • Print your music scores with annotations • Loop a section until you’ve mastered it • Integrated metronome and tuner • And much more… —————————— ALSO IDEAL FOR COMPLETE BEGINNERS • Can’t read music notes yet? No problem — follow our Visual Guide to see the right notes and fingerings in real time • Learn the notes at your own pace with real-time feedback NEW — Learn piano from scratch with your favourite songs: Tomplay Learn guides you step by step with short videos and interactive exercises. —————————— ACCESS THOUSANDS OF MUSIC SHEETS WITH BACKING TRACKS • Get instant access to 100,000+ sheet music titles and tabs • Carefully arranged in 8 difficulty levels — from complete beginner to virtuoso • Play music for 26 instruments: Piano, Violin, Flute, Saxophone (Alto, Tenor, Soprano, Baritone), Drums, Guitar (acoustic & electric), Bass, Cello, Trumpet (in B-flat, in C), Clarinet (in B-flat, in A, in C), Viola, Double Bass, Percussion, Ukulele, Accordion, Trombone (F-Clef, G-Clef), French Horn, Oboe, Harp, Bassoon, Tuba, Euphonium, Tenor Horn, Recorder (Soprano, Alto, Tenor), and Singing (including Choir). Also available for Bands & Ensembles • Explore a vast selection of pieces across all genres — Classical, Pop, Rock, Metal, Folk, Jazz, Reggae, Rap & HipHop, R&B, Electro & House, Chrisitan Worship, Film & TV, Video Games, and more • Play solo, in duet, trio, quartet, or with full orchestra or band accompaniment! • Learn the basics of music theory with TomTheory, practice scales with professional accompaniments with the TomScales, and explore countless music exercises, lessons, and courses to improve your skills. • Play by ear and improvise with the TomImprov Mode, which shows only the chords on the music score —————————— PRICING AND TERMS Discover Tomplay with a 14-day free trial. During the trial, you’ll enjoy unlimited access to the entire catalogue — all instruments, all levels, on all your devices (smartphone, tablet, and computer). Tomplay offers two subscription options: • Auto-renewing monthly plan • Auto-renewing yearly plan (includes the 14-day free trial) Payment will be charged to the credit card connected to your iTunes Account when you confirm the initial subscription purchase. Subscriptions automatically renew unless auto-renew is turned off at least 24-hours before the end of the current subscription period. Your account will be charged for renewal within 24-hours prior to the end of the current period, and the cost of the renewal will be specified. You may manage your subscription and auto-renewal may be turned off by going to your Account Settings after the purchase. Any unused portion of a free trial period will be forfeited when you purchase a subscription, where applicable. Terms of service: https://tomplay.com/ims/AppleTerms Privacy policy: https://tomplay.com/ims/ApplePrivacy

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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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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.