Comparison

iSequence HD vs GtrLib Chords Pro

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

Head to head
About

iSequence HD

Create professional music on your iPad with an intuitive 8-track sequencer, a vast library of instruments, and flexible mixing with DSP effects. Record, edit, and arrange loops, beats, and melodies in real-time, controlling every aspect of your music project.

Highlights
  • 8-track sequencer
  • 160+ built-in instruments
  • Custom instrument sampler
  • Real-time recording and automation
  • Step sequencer and FX editor
  • Flexible mixer with DSP effects
  • Wi-Fi file sharing
Read full description

iSequence is a long-running iPad music app appreciated for its speed, simplicity, and distinctive workflow. Build beats, melodies, and arrangements with an intuitive 8-track sequencer with 32-step patterns, shape sounds with its sampler, and mix everything with flexible DSP effects. Whether you are sketching loops or building full tracks, iSequence keeps music creation direct and hands-on. FAST, FLUID WORKFLOW Create patterns, record parts in real time, and edit them without interrupting playback. Switch between tracks, instruments, step sequencing, and automation as you build your song. iSequence is built for sketching ideas quickly, jamming with loops, and arranging complete tracks in a simple, focused environment. INSTRUMENTS • 160 built-in instruments, including acoustic sounds, drum kits, pads, leads, sweeps, and ambient textures • Additional sound banks available in the BankShop • Play with the on-screen piano keyboard or drum pads • Create custom instruments with the built-in sampler • Supports CoreMIDI and MIDI instruments REAL-TIME RECORDING AND AUTOMATION • Record notes as you play • Change tracks and instruments during playback • Use the metronome and slowdown mode for easier recording • Record parameter changes in real time STEP SEQUENCER • 8 tracks with FX curve editing • 32 steps per row / pattern • Instruments are not tied to tracks, allowing flexible sequencing and layering • Edit notes with the piano keyboard, drum pads, and other controls • Adjust note duration, panning, velocity, and gliss • Copy, paste, move, and transpose patterns and selections • Arrange patterns into full song structures MIXER AND EFFECTS • Adjust tempo, master volume, and shuffle • Mute, solo, and set levels for each track • Route tracks to 5 configurable effect channels • Includes Filter, Reverb, Flanger, Delay, Ring Modulator, EQ, Lo-Fi Crusher, Live Looper, and Distortion SAMPLER • Import, record, or paste samples to build custom instruments • Edit loop points, ADSR envelope, and sample mapping • Slice loops and synchronize them to tempo automatically FILE SHARING • Export songs as HSQ, MIDI, or WAV • Import samples and presets • Copy tracks to the audio clipboard • Import HSQ songs

About

GtrLib Chords Pro

Access a comprehensive library of guitar chords with detailed fingering and audio demonstrations. Quickly find any chord, explore inversions, and view positions across the fretboard. This tool is designed for guitarists of all levels.

Highlights
  • Vast chord library
  • Suggested fingering
  • Audio demonstrations
  • Chord search
  • All positions and inversions
  • Apple Watch app
  • Export as PNG/MIDI
Features
Read full description

Explore the vast and comprehensive collection of guitar chords in GtrLib Chords Pro. Get all the possible positions of any chord throughout the fretboard along with its suggested fingering and audio demonstration. Use the built-in search to quickly get to any chord that you are looking for. GtrLib Chords is an invaluable tool in the pocket of any guitarist.​ • Vast and comprehensive chord library for guitar. • Includes suggested fingering for every chord. • Browse all the chords for every root note. • Explore all the inversions of a chord. • Change the root note with simple taps. • Search and quickly find any chord in any key. • Browse all the possible positions for every chord. • Search any chord directly using Spotlight. • Export any chord as a PNG image or MIDI file. • Includes a standalone app for Apple Watch. • VoiceOver support - makes the app accessible for users who are blind or have low vision. • Widgets - Quickly access recently viewed chords. • App Clips - Explore any chord in detail without having to install the complete app. • Includes support for Dark Mode. More on GtrLib Chords Pro for Apple Watch: GtrLib Chords Pro bundles a standalone app for Apple Watch and makes “most of the guitar chords you will ever need” accessible on the Apple Watch. You can quickly access any chord using just a few taps or using the context menu. Listen to any chord by just tapping on it.

Screenshots

GtrLib Chords Pro4 screens

Verdict

The call

The clearest difference is price: iSequence HD at Free against GtrLib Chords Pro's $8.99. GtrLib Chords Pro's advantage is rating (4.8 vs 4.2) and in-app purchases (none vs 8). On review sentiment, update cadence, ads 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

iSequence HD is free to download; GtrLib Chords Pro costs $8.99 up front. iSequence HD sells 8 one-off in-app purchases. GtrLib Chords Pro asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

GtrLib Chords Pro holds the better App Store score, 4.8 against 4.2. Both are backed by a comparable volume of ratings — 33 and 130 respectively. Written reviews point the same way: 77% of iSequence HD's written reviews are positive against 84% of GtrLib Chords Pro's.

UpkeepUpdate frequency

iSequence HD ships an update every 3 months, GtrLib Chords Pro every 2 months. The most recent releases landed on October 23, 2026 and October 29, 2026 respectively.

Scorecard6 real differences · 4 level
iSequence HD versus GtrLib Chords Pro: the parameters behind the verdict, then further details
ParameteriSequence HDGtrLib Chords Pro
PriceFree — better$8.99
Rating4.2 (33 ratings)4.8 (130 ratings) — better
Positive reviews76.6% of reviews84.0% of reviews — better
Number of ratings33130 — better
Update frequencyEvery 3 monthsEvery 2 months — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPadiPhone, iPad, Apple Watch, Vision Pro — better
Requires iOS15.6 — better16.0
Further details — not scored
Size156 MB11 MB
Age rating4+4+
DeveloperBeepStreetBijoy Thangaraj

Customer experience

iSequence HD

All ratings32 ratings
Positive78.1%
Neutral0.0%
Negative21.9%
Written reviews222 reviews
Positive76.6%
Neutral9.0%
Negative14.4%

GtrLib Chords Pro

All ratings128 ratings
Positive93.8%
Neutral2.3%
Negative3.9%
Written reviews25 reviews
Positive84.0%
Neutral4.0%
Negative12.0%

Bugs and requests

iSequence HD

Reported bugs

4 issues
  • Crashes on startup or during use
  • Issues with sample loading and playback
  • Inconsistent behavior with certain features
  • Compatibility problems with newer iOS versions

Requested features

6 requests
  • Expanded track count
  • More effects and sound design capabilities
  • Audiobus and Inter-App Audio integration
  • Improved sample import and management
  • Support for more time signatures and rhythms
Show 1 more
  • Ability to save and load full projects

GtrLib Chords Pro

Not enough reviews yet to summarise bugs or requests.

In-app purchases

8 purchases

iSequence HD

One-time8
  • Funny farm bank$1.99
  • Chiptunes bank$1.99
  • Acoustic bank$2.99
Show 5 more
  • Electro/house bank$2.99
  • Trance waves$2.99
  • Loops vol.1$2.99
  • Loops vol.2$2.99
  • Beat elements bank$2.99
None

GtrLib Chords Pro

No in-app purchases

Questions

Is iSequence HD free?
iSequence HD is free to download, with in-app purchases available.
Is GtrLib Chords Pro free?
GtrLib Chords Pro costs $8.99, with no in-app purchases.
Which has better reviews, iSequence HD or GtrLib Chords Pro?
GtrLib Chords Pro is rated higher. iSequence HD averages 4.2 out of 5 from 33 ratings, while GtrLib Chords Pro averages 4.8 from 130 ratings.
Do iSequence HD or GtrLib Chords Pro have ads?
Neither iSequence HD nor GtrLib Chords Pro shows ads.
Which is updated more often, iSequence HD or GtrLib Chords Pro?
iSequence HD ships an update every 3 months, and GtrLib Chords Pro every 2 months. Most recently, iSequence HD was updated on October 23, 2026 and GtrLib Chords Pro on October 29, 2026.

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