Comparison

MobileSheets® vs ChordChaser

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

Head to head
About

MobileSheets®

This app is a digital sheet music manager and viewer for musicians. It allows you to store, organize, and access your entire music library on your device, eliminating the need for physical copies. Features include hands-free page turns, annotation tools, and custom audio playback.

Highlights
  • Digital sheet music management
  • Hands-free page turns
  • Music annotation tools
  • Custom audio player
  • Library synchronization
  • Metronome
  • Setlist creation
Features
Currently charting
Read full description

MobileSheets is the ultimate sheet music viewer for the iPhone, iPad and Mac. It frees you from having to lug around books and binders, and gives you the ability to access any score in your library in seconds. It also comes with a number of powerful features for musicians including: - Connect to other devices running MobileSheets on any platform, and easily share songs and setlists. - Synchronize device libraries using WiFi, bluetooth or the cloud - Multiple modes of operation including two pages side-by-side, half page turns, and vertically scrolling pages. - Hands-free page turns using any bluetooth or usb devices (including two and four pedal models), through the automatic scrolling feature, or by using face gestures such as an open mouth or smile. - Annotations for marking up music including support for freeform drawing, basic shapes, text and stamps - Connect multiple tablets over WiFi or bluetooth in book mode to display two pages at once - A custom audio player for playing audio tracks with your scores. Audio player supports a-b looping and multiple sizes. - Custom page ordering, making it easy to cut out unnecessary pages, repeat pages or change the sequence of pages without affecting the original document. - A metronome with multiple display modes and sound effects - Bookmarks for quick and easy access to sections in scores - Link points for handling repeats and quickly jumping between pages - Smart buttons that can be placed on a score to activate configurable actions when pressed - Support for multiple file types including images, PDFs, text files and chord pro files. - Support for importing CSV index files to break up large PDF songbooks - Support for communicating with MIDI devices over USB, Bluetooth and WiFi to load songs or trigger actions. - The ability to transpose chords in text and chord pro files. - Manual and automatic cropping to completely eliminate unnecessary margins - Support for setlists and collections to efficiently group songs for playback. - Powerful library management features with a huge list of supported metadata fields, giving you complete control over the data in your library - A free companion application for the PC that makes it a breeze to create and edit songs Give MobileSheets a try today and experience the freedom of having all your scores just a simple tap away. NOTE: This application does not include any sheet music - you must provide your own. This application can not play back PDFs, images or text/chord pro files. It can only display those files and play back audio files. The companion app is for your PC and is not included. You can download the companion app for free here: https://www.zubersoft.com/mobilesheets/companion.php Privacy Policy: https://zubersoft.com/mobilesheets/privacy_policy_ios.html Terms of Use: https://zubersoft.com/mobilesheets/terms_and_conditions_ios.html

About

ChordChaser

Features
Read full description

***ChordChaser: Train your ears with the quiz, understand harmony, and improvise over any chord.*** ChordChaser is a fast, fun, and effective way to build real harmonic awareness. Whether you’re a music student, hobby musician, or professional player, this app will sharpen your ears, expand your harmonic vocabulary, and help you gain confidence when improvising or analyzing music. ***Chord Quiz & Daily Chord Chase*** Fun, addictive, and educational. Test and improve your ability to recognize chords by ear in a fast-paced, addictive quiz format. Build accuracy, speed, and confidence as you level up through increasingly challenging chord types and combinations. Perfect for both ear-training classes and self-study. Take on seven quick chords each day, build your streak, and keep your ears in shape. ***Chord Randomizer - powerful improvisation practice tool*** Get inspired and challenged by constantly changing chord progressions. You select the chords and keys to work on to achieve harmonic freedom - fully configurable. Random chord progressions, chromatic, or circle of fifths. Each chord come with matching scale suggestions, helping you connect theoretical knowledge with real musical performance. ***Single Chord Mode - understand harmony one sound at a time*** Explore any chord in isolation and learn to appreciate its unique color. Compare major, minor, dominant, altered, suspended, diminished, and extended harmonies. Learn which scales fit each sound and get a deep understanding of chord–scale relationships. ***INSTRUMENT MODE*** Instrument mode (toggle in Single Chord) lets you play any chord yourself using the piano keys and the chord buttons. This turns ChordChaser into a musical instrument! Designed by a musician for serious musicians and curious learners. - Clean, intuitive interface - Audio playback - Works offline - No account required Who is ChordChaser for? - Music students who want to improve their harmonic awareness - Hobby musicians who want to improvise with confidence - Practice tool for advanced players and pro musicians - Music educators looking for an inspiring tool for students ***ChordChaser is FREE*** The free app gives you full access to all the core experiences. Pro version option gives you full access to all features and removes ads.

Screenshots

MobileSheets®4 screens
ChordChaser4 screens

Verdict

The call

The clearest difference is price: ChordChaser at Free against MobileSheets®'s $15.99. MobileSheets®'s advantage is ads (none vs shown) and chart position (#94 vs unranked). On update cadence, in-app purchases, device support and iOS requirement 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

ChordChaser is free to download; MobileSheets® costs $15.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

MobileSheets® ships an update every 9 days, ChordChaser every 8 days. The most recent releases landed on November 7, 2026 and October 28, 2026 respectively.

Scorecard3 real differences · 8 level
MobileSheets® versus ChordChaser: the parameters behind the verdict, then further details
ParameterMobileSheets®ChordChaser
Price$15.99Free — better
Rating4.6 (66 ratings) — better—
Positive reviews81.0% of reviews—
Number of ratings66 — better—
Update frequencyEvery 9 daysEvery 8 days — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationPaid—
Best chart rank#94 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size129 MB79 MB
Age rating4+12+
DeveloperMichael ZuberAnders Larson

Bugs and requests

MobileSheets®

Reported bugs

19 issues
  • App not opening after update
  • Slider bar gets stuck and glitches
  • Menu bar not appearing when clicked
  • Synchronization lag between devices
  • First pages are black during sync
Show 14 more
  • Titles disappear after backup
  • App crashes when entering annotations
  • App crashes after opening sheet music
  • App not working after iOS 18 update (metronome, page turning)
  • Syncing deleting files from computer instead of adding to iPad
  • Two-way sync does not synchronize annotations
  • App freezes on 'please wait' when exiting editing mode
  • Annotations lost after app crashes
  • Difficult to reconnect devices after crashes
  • Import not working on iPad
  • App crashes when downloading too many pages simultaneously
  • Titles no longer available after recent updates
  • Sheets covered with gray background after update
  • Edit mode for .cho files is difficult to handle

Requested features

15 requests
  • Ability to adjust display and page turning options per song
  • Save custom colors for annotations
  • Shortcuts or faster access to sync button
  • Display time during app usage
  • Integrated tuner
Show 10 more
  • Keyboard with transpose function
  • Better PDF cropping and scaling
  • Ability to set custom colors for drawing tools
  • Button for direct start of scroll function
  • Support for more file types (Word Docs, images)
  • Move shortcut box to center bottom of screen
  • Add more templates for blank pages
  • Auto-sync option for cloud services
  • iCloud file access support
  • Tabs for multiple songs open simultaneously

ChordChaser

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

MobileSheets®

No in-app purchases

None

ChordChaser

No in-app purchases

Questions

Is MobileSheets® free?
MobileSheets® costs $15.99, with no in-app purchases.
Is ChordChaser free?
ChordChaser is free to download, with no in-app purchases.
Do MobileSheets® or ChordChaser have ads?
ChordChaser shows ads; MobileSheets® does not.
Which is updated more often, MobileSheets® or ChordChaser?
MobileSheets® ships an update every 9 days, and ChordChaser every 8 days. Most recently, MobileSheets® was updated on November 7, 2026 and ChordChaser on October 28, 2026.

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