Comparison

SubX vs Music Keyboard For Chords

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

Head to head
About

SubX

This app provides a modern and intuitive timer for speedcubing enthusiasts. It allows users to log and track solves, view results and averages, and share best times with friends. Customize your experience with different cube types, sessions, and haptic feedback options.

Highlights
  • Log and track solves
  • View results and averages
  • Share best solves with scrambles
  • Select cube type for scrambles
  • Create multiple sessions
  • Pre-inspection countdown
  • Haptic and confetti feedback
Read full description

Get faster. Understand every solve. SubX is a modern speedcubing timer built for cubers who want more than a stopwatch. Time your solves with a fast, distraction-free interface, then turn your results into meaningful insights that help you improve. BUILT FOR SPEED Hold to ready, release to start, and tap to stop. SubX combines responsive controls, haptic feedback, scramble generation, inspection, +2 and DNF penalties, and Zen Mode into a timer designed to stay out of your way. UNDERSTAND YOUR SOLVES Go beyond basic averages with detailed performance analytics. Follow your personal bests, explore trends and solve distributions, and see how your performance changes over time. SET GOALS. CHASE SUB-X. Create performance goals and track your progress toward faster singles and averages. COMPARE YOUR TRAINING Compare sessions to see how different cubes, routines, or practice styles affect your speed and consistency. PRACTICE LIKE IT COUNTS Competition Mode gives you a focused average-of-five experience with inspection, penalties, individual results, and competition-style averaging. YOUR CUBING HISTORY Organize solves into sessions, review your history, track PB progression, and keep your practice organized in one place. Filter your solves by personal bests, penalties, date, and speed to quickly find the results that matter. SHARE YOUR PROGRESS Turn your solves into polished SubX share cards. Share individual results, Ao5s, and Ao12s with times, penalties, dropped solves, PBs, and scramble details beautifully presented. GAN HALO TIMER SUPPORT Connect a compatible GAN Halo smart timer over Bluetooth for hardware timing while keeping your solves and analytics inside SubX. SUBX PRO The core SubX experience is free. SubX Pro unlocks advanced training tools including deeper trends and distributions, goal tracking, PB progression, session comparison, and advanced performance insights. SubX Pro is available as a one-time lifetime purchase. No subscription. Whether you're chasing your first sub-30, sub-20, sub-10, or your next personal best, SubX gives you the tools to measure your progress and keep improving. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.jesserubio.com/subx/privacy/

About

Music Keyboard For Chords

This keyboard app simplifies typing musical notation, chord symbols, and notes directly into documents or social media. It offers quick access to essential music symbols without the need for copy-pasting.

Highlights
  • Type musical notes (A-G)
  • Input accidentals
  • Add chord symbols
  • Use numbers for chord extensions
  • Quick access to space, return, delete
Features
Read full description

Music Keyboard – Effortless Music Notation on the Go Tired of searching for special music symbols when writing chord charts or musical notes? Music Keyboard makes it easy to type musical notation anywhere—whether you're creating lead sheets, composing in a Google Doc, or discussing chords on social media. With a thoughtfully designed layout, Music Keyboard gives you quick access to essential music symbols, including: - Musical notes (A–G, a–g) - Accidentals - Chord symbols - Numbers for chord extensions (1–9, 0) - Easy access to space, return, and delete keys Designed for musicians, composers, and music educators, this keyboard simplifies music input so you can focus on your music—not finding the right key. No more copy-pasting symbols—just type and go! Privacy Policy 1. Information We Collect No Personal Data Collected Music Keyboard does not collect, store, or share any personal information. The app functions entirely on your device and does not transmit any data to external servers. No Keyboard Input Logging Music Keyboard does not record, store, or track what you type. All keystrokes remain private and are only sent to the active text field within your selected app. 2. Permissions & Full Access Why Does Music Keyboard Request "Full Access"? Some apps require "Allow Full Access" for third-party keyboards to function properly. If you enable this setting, Music Keyboard can be used across more apps. However, even with Full Access: We do not collect or transmit keystrokes We do not access any personal data No internet connection is used for keyboard operations Enabling Full Access is optional, and Music Keyboard will still function in many apps without it. 3. Data Sharing & Third Parties Music Keyboard: Does not share data with third parties Does not use analytics or tracking services Does not display ads or collect advertising data Your privacy is 100% respected at all times. 4. Children's Privacy Music Keyboard is safe for all ages. Since the app does not collect any data, there are no risks related to children's privacy. 5. Contact Us If you have any questions about this Privacy Policy, feel free to contact us: Email: appkeyboards@gmail.com We are committed to keeping Music Keyboard secure and private for all users. 6. Changes to This Policy We may update this Privacy Policy from time to time. Any updates will be posted on this page with a revised "Effective Date" at the top. By using Music Keyboard, you agree to this Privacy Policy. This ensures compliance with Apple's App Store privacy requirements while making it clear that your app does not collect any user data. Let me know if you need any adjustments!

Screenshots

SubX4 screens
Music Keyboard For Chords1 screens

Verdict

The call

The clearest difference is price: SubX at Free against Music Keyboard For Chords's $0.99. Music Keyboard For Chords's advantage is update cadence (weekly vs every 15 months) and iOS requirement (15.6 vs 17.0). On rating, ratings volume, 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

SubX is free to download; Music Keyboard For Chords costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for SubX against 4.9 for Music Keyboard For Chords. Both are backed by a comparable volume of ratings — 6 and 8 respectively.

UpkeepUpdate frequency

SubX ships an update every 15 months, Music Keyboard For Chords weekly. Both last shipped on October 24, 2026.

Scorecard4 real differences · 6 level
SubX versus Music Keyboard For Chords: the parameters behind the verdict, then further details
ParameterSubXMusic Keyboard For Chords
PriceFree — better$0.99
Rating4.8 (6 ratings)4.9 (8 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings68 — better
Update frequencyEvery 15 monthsWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS17.015.6 — better
Further details — not scored
Size45 MB0 MB
Age rating4+4+
DeveloperJesse RubioShawn Boucke

Customer experience

SubX

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Music Keyboard For Chords

All ratings7 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

SubX

No in-app purchases

None

Music Keyboard For Chords

No in-app purchases

Questions

Is SubX free?
SubX is free to download, with no in-app purchases.
Is Music Keyboard For Chords free?
Music Keyboard For Chords costs $0.99, with no in-app purchases.
Which has better reviews, SubX or Music Keyboard For Chords?
Music Keyboard For Chords is rated higher. SubX averages 4.8 out of 5 from 6 ratings, while Music Keyboard For Chords averages 4.9 from 8 ratings.
Do SubX or Music Keyboard For Chords have ads?
Neither SubX nor Music Keyboard For Chords shows ads.
Which is updated more often, SubX or Music Keyboard For Chords?
SubX ships an update every 15 months, and Music Keyboard For Chords weekly. Most recently, SubX was updated on October 24, 2026 and Music Keyboard For Chords on October 24, 2026.

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