Comparison

Calypso Score vs Effectrix

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

Head to head
About

Calypso Score

Manage and annotate your digital sheet music library with this iPad app. Features include PDF import, scanning, organization into custom songbooks, and quick song searching with pre-built indexes for popular fakebooks. Effortlessly turn pages and practice with synchronized audio tracks.

Highlights
  • Import and scan sheet music PDFs
  • Organize music into custom songbooks
  • Annotate with text, symbols, and drawings
  • Quick song search with fakebook indexes
  • Automatic and manual page turning
  • Attach and synchronize audio tracks
Features
Read full description

Calypso Score is a feature-rich digital sheet music app for the iPad that lets musicians manage their scores in a way that was never possible with paper. With the app’s pre-built indexes for dozens of popular jazz and pop fakebooks, you’ll never struggle with finding the right chart at a rehearsal or jam session. Calypso Score also provides unique features for navigating through multi-page scores and powerful, easy-to-use tools for organizing and annotating your entire digital library. Compare these features with other apps to see how Calypso Score changes for the game for digital sheet music: ORGANIZE YOUR DIGITAL SHEET MUSIC FILES • Import sheet music PDFs directly from any app that supports file sharing, including common cloud services • Create optimized sheet music PDFs from your paper notes with the integrated scanner • Extract only the pages you need from a long file (e.g., just your part from a multi-part score) and assign critical metadata with an intuitive import wizard • Annotate your songs with text, music symbols, guitar tabs, highlights, and drawings, all optimized for Apple Pencil; no additional purchase required • Optimize the layout of your songs with a powerful built-in PDF editor; no additional purchase required • Create your own custom songbooks or gig books for organizing your repertoire; a song can appear in more than one songbook, so you no longer need clumsy workarounds like bookmarks and layers to maintain different annotations and settings for different playing situations • Easily share your library, including your fakebooks, songbooks, set lists, and individual songs; optionally include annotations, metadata and synchronized recordings with the PDF • Backup files and metadata to iPad folders or any cloud service THE transposable NEW BOB BOOK The New Bob Book is a freely available fake book created by guitarist Bob Roetker. It allows you to transpose any of its 666 songs into any key - melody and chords, in excellent readable quality! You can download it for free. FIND SONGS QUICKLY • Get started with pre-built indexes for over 90 commercially published jazz and pop fakebooks*. +100 Aebersolds* • Search and sort by page #, song title, composer, lyricist, genre, creation date, or user-assigned labels • Search all fakebooks at once or limit your search to a single book • Organize selected songs into set lists for quick and easy access at a gig FREE YOUR HANDS AND EVEN YOUR FEET • Turn pages automatically without swipes or pedals • Minimize scrolling and scanning for repeats and jumps with optimized layouts for each turn of a page • Manually turn pages with a Bluetooth pedal PRACTICE MORE PRODUCTIVELY • Attach any number of recorded music tracks to your sheet music for play-along during practice; audio files are linked to the index entry for a song, so only one copy of the track is needed even if the song appears in multiple books • Synchronize playback of an attached audio file to follow automated page turns or start at a specific bar • Adjust the pitch and playback speed of audio files - even if synchronized to the score • Record your practice session; recordings are automatically synced to the score • Avoid inefficient app-switching with built-in tools including a metronome, keyboard, and tuner GET STARTED! Calypso Score offers a familiar look and feel that follows best practices for iPad user experience and integration with iPad services and other apps. Detailed video tutorials (in-app and on our website) and an extensive help system will further help you get started quickly with productive management of your digital sheet music library. *PLEASE NOTE Calypso Score only provides the indexes for commercially published fakebooks; it does not provide the books themselves. However, Calypso Score makes it super easy to import any PDF and match it to one of the pre-built indexes. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Effectrix

This professional multi-effect sequencer for iPad allows users to create unique sound patterns and loop collages by scattering 14 intelligent effects across a sequencer matrix. It offers a playful workflow, refined algorithms, and a wide spectrum of effects for outstanding results.

Highlights
  • Multi-effect sequencer matrix
  • 14 intelligent effects
  • Creative sound pattern generation
  • Loop collage creation
  • Audio Unit v3 integration
  • Full MIDI support
  • Ableton Link synchronization
Read full description

Effectrix is a professional multi-effect sequencer for the iPad. The game-changing tool for creative and effective music production is now available on the App Store: scatter 14 intelligent effects across a sequencer matrix and create unheard-of sound patterns and cheeky loop collages. A playful workflow, refined algorithms and carefully parameterised effects lead to outstanding results - fast! The effects, each exceeding conventional wisdom, cover a wide spectrum from classy standards to scandalising splatter sprees. This iOS port faithfully recreates the desktop engine, today's de-facto standard of finest audio manipulation. INSTANT INSPIRATION - quickly create variations and mutations for productive sound design - 20 fine audio samples installed - 230 factory presets (100 global, ca. 9 per effect) - 14 high-quality effects - redesigned GUI for a smooth iOS workflow DIG DEEP - manipulate each individual effect with up to eight parameters - two modulator tracks per effect - Seamless iOS integration: Audio Unit v3, full MIDI support, Host Automation & MIDI Learn - save your own presets & use them on your desktop version of Effectrix via Preset iCloud Sync - upload your recordings to Dropbox and other supported apps - share your recordings with other apps - sync Effectrix with Ableton Live via Ableton Link PRAISE: Diplo "I never thought I'd use Effectrix on a Beyonce song. Sugar Bytes help to inspire me with limitlessness of sound." Armin van Buuren "A three-band EQ, sometimes the Effectrix... and a whole tube of glue, that's all I needed to put together ASOT." Music Radar "It's hard to wrench yourself from it, and when you do, you'll probably come away with a head full of new ideas." iOS WORKFLOW You name it: Audio Unit v3, Ableton Link, Full MIDI Support (Virtual, Netzwerk, Extern, Bluetooth), MIDI Learn & Host Automation. Integrated Audio Player and Recorder (AudioShare, Music Library, Factory Loops).

Verdict

The call

The clearest difference is rating: Effectrix at 4.7 against Calypso Score's 4.2. Effectrix also leads on ratings volume (97 vs 22). Calypso Score's advantage is monetization model (free with in-app purchases vs paid) and review sentiment (77% vs 67%). On price, update cadence, ads and in-app purchases 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

Both are free to download. Calypso Score sells 4 in-app purchases, starting at $3.99 per 3 months and Effectrix sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Effectrix holds the better App Store score, 4.7 against 4.2. Both are backed by a comparable volume of ratings — 22 and 97 respectively. Written reviews complicate that: 77% of Calypso Score's written reviews are positive against 67% of Effectrix's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Calypso Score ships an update every 3 months, Effectrix every 4 months. The most recent releases landed on July 6, 2026 and August 7, 2026 respectively.

Scorecard5 real differences · 5 level
Calypso Score versus Effectrix: the parameters behind the verdict, then further details
ParameterCalypso ScoreEffectrix
PriceFreeFree
Rating4.2 (22 ratings)4.7 (97 ratings) — better
Positive reviews77.3% of reviews — better67.3% of reviews
Number of ratings2297 — better
Update frequencyEvery 3 months — betterEvery 4 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterPaid
DevicesiPadiPad
Requires iOS13.0 — better17.6
Further details — not scored
Size191 MB52 MB
Age rating4+4+
DeveloperiMobilTecSugar Bytes GmbH

Customer experience

Calypso Score

All ratings22 ratings
Positive81.8%
Neutral0.0%
Negative18.2%
Written reviews22 reviews
Positive77.3%
Neutral0.0%
Negative22.7%

Effectrix

All ratings97 ratings
Positive91.8%
Neutral3.1%
Negative5.2%
Written reviews52 reviews
Positive67.3%
Neutral5.8%
Negative26.9%

In-app purchases

4 purchases

Calypso Score

Subscriptions2
  • Full Version$3.993 Months
  • Full Version$11.991 Year
One-time2
  • Free TrialFree
  • Full Version$22.99
1 purchases

Effectrix

One-time1
  • Effectrix Full Version$24.99

Questions

Is Calypso Score free?
Calypso Score is free to download, with in-app purchases available.
Is Effectrix free?
Effectrix is free to download, with in-app purchases available.
Which has better reviews, Calypso Score or Effectrix?
Effectrix is rated higher. Calypso Score averages 4.2 out of 5 from 22 ratings, while Effectrix averages 4.7 from 97 ratings.
Do Calypso Score or Effectrix have ads?
Neither Calypso Score nor Effectrix shows ads.
Which is updated more often, Calypso Score or Effectrix?
Calypso Score ships an update every 3 months, and Effectrix every 4 months. Most recently, Calypso Score was updated on July 6, 2026 and Effectrix on August 7, 2026.

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