Comparison

Perform™ Scrolling Sheet Music vs String Theory

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Perform™ Scrolling Sheet Music

This app transforms your device into a hands-free sheet music reader. Import, organize, and annotate your PDF scores with automatic scrolling for uninterrupted performance. Manage thousands of scores and setlists with ease.

Highlights
  • Autoscroll PDF scores
  • Hands-free performance
  • Import from cloud storage
  • Organize scores into setlists
  • Annotate and mark up music
  • Share scores via AirDrop
  • Automatic sync and backup
Features
Read full description

Setlist PDF Sheet Music Reader with Autoscroll for Hands-Free Play Perform is ideal for Orchestras, Bands, Choirs, and individual musicians. It turns the iPad and iPhone into a full-featured sheet music reader that offers musicians new and exciting ways to read music without ever taking their hands off their instruments. It smoothly scrolls sheet music from page to page and score to score, allowing musicians to focus on performing. Stop lugging around binders of scores from place to place. Import and manage thousands of scores with ease. Organize scores into setlists and easily arrange them to your liking with drag-and-drop, then tap Start when you're ready to perform. It's that simple. Whether practice, auditions, rehearsals, or concerts, performing will never be the same. BASIC FEATURES With Perform™, you can: • Autoscroll scores from page to page for hands-free play • Import your PDF scores from Files, Google Drive, and Dropbox • Use the built-in search to locate scores quickly • Annotate and mark up scores • Quickly share scores with fellow musicians with AirDrop • Automatic sync and backup scores across devices PRO FEATURES Perform™ Pro Includes all the features of Free plus: • No advertisements • Unlimited scores • Setlists for folder and song management • Audio & Video Recording • Automatic sync and backup of setlists and scores across devices TRY PERFORM™ PRO FREE FOR 3-DAYS! Available Pro Subscriptions $4.99 / every 1 month* $24.99 / every 6 months* $39.99 / every 1 year* *Price may vary by location. Subscriptions will be charged to your credit card through your App Store account. Where applicable, your subscription will automatically renew unless canceled at least 24 hours before the end of the current period. Subscriptions may not be canceled for a refund after a new period has begun. Manage your subscriptions in Account Settings after purchase. TERMS OF USE https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ SUPPORT If you need help or would like to suggest a feature, we'd love to hear from you! Tap on the Info icon to send us an email or visit https://dantemedia.com/contact/ We respond to all emails within 24hrs. Please check your bulk email or spam folders if you didn't receive a response. Thank you for considering Perform™

About

String Theory

This app helps guitarists explore scales and chords with an interactive fretboard. It allows users to compare scales, test custom tunings, and record riff ideas. The tool is designed for practicing improvisation, learning theory, and saving musical inspiration.

Highlights
  • Interactive guitar fretboard with scale mapping
  • Scale and Chord Finder tools
  • Custom tunings with octave control
  • Riff recording and vault organization
  • Left-handed mode
  • Scale comparison overlay
Features
Read full description

String Theory is a focused guitar tool for exploring scales, visualizing the fretboard, matching chords, and capturing riff ideas without clutter. Build better fretboard awareness with an interactive scales map, compare two scales at once, test custom tunings, and find compatible chords in seconds. When inspiration hits, record the idea and save it to your riff vault with notes and playback. Features: • Interactive guitar fretboard with scale mapping • Major, harmonic minor, melodic minor, and pentatonic scale families • Scale Finder and Chord Finder tools • Chords-to-scales matching • Add a second scale overlay for comparison • Custom tunings with per-string octave control • Left-handed fretboard mode • Fullscreen fretboard view • Riff recording, playback, rename, share, and vault organization • Light/dark mode, 3 color themes, haptics, and a polished liquid glass interface Whether you’re practicing improvisation, learning theory, or saving new ideas, String Theory keeps the essential guitar tools in one fast, modern app.

Screenshots

Perform™ Scrolling Sheet Music4 screens
String Theory4 screens

Verdict

The call

Perform™ Scrolling Sheet Music and String Theory both sit at 5.0 stars, but that hides the real split: 100% of String Theory's written reviews are positive against 48% of Perform™ Scrolling Sheet Music's. String Theory also leads on in-app purchases (none vs 3) and ads (none vs shown). Perform™ Scrolling Sheet Music's advantage is price (Free vs $1.99) and iOS requirement (15.0 vs 26.0). On rating, ratings volume and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Perform™ Scrolling Sheet Music is free to download; String Theory costs $1.99 up front. Perform™ Scrolling Sheet Music sells 3 in-app purchases, starting at $6.99 per month. String Theory asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Perform™ Scrolling Sheet Music against 5.0 for String Theory. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews are what separate them: 48% of Perform™ Scrolling Sheet Music's written reviews are positive against 100% of String Theory's.

Scorecard6 real differences · 4 level
Perform™ Scrolling Sheet Music versus String Theory: the parameters behind the verdict, then further details
ParameterPerform™ Scrolling Sheet MusicString Theory
PriceFree — better$1.99
Rating5.0 (2 ratings)5.0 (1 ratings)
Positive reviews47.8% of reviews100.0% of reviews — better
Number of ratings2 — better1
Update frequencyEvery 3 months—
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better26.0
Further details — not scored
Size47 MB10 MB
Age rating4+4+
DeveloperDante Media, LLCDANIEL NIKOLAS SZTURM

Customer experience

Perform™ Scrolling Sheet Music

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews23 reviews
Positive47.8%
Neutral17.4%
Negative34.8%

String Theory

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Perform™ Scrolling Sheet Music

Subscriptions3
  • Monthly Subscription$6.991 Month
  • 6 Month Subscription3 Days trial$34.996 Months
  • 12 Month Subscription3 Days trial$59.991 Year
None

String Theory

No in-app purchases

Questions

Is Perform™ Scrolling Sheet Music free?
Perform™ Scrolling Sheet Music is free to download, with in-app purchases available.
Is String Theory free?
String Theory costs $1.99, with no in-app purchases.
Which has better reviews, Perform™ Scrolling Sheet Music or String Theory?
Perform™ Scrolling Sheet Music and String Theory are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.
Do Perform™ Scrolling Sheet Music or String Theory have ads?
Perform™ Scrolling Sheet Music shows ads; String Theory does not.

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