Comparison

D0TS Echoplex vs iSequence HD

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

Head to head
About

D0TS Echoplex

Recreate the iconic "Echoplex" song by Nine Inch Nails with this music sequencer. Experience the same visuals and sounds used during live performances, allowing you to play the drum line on your device.

Highlights
  • Music sequencer
  • Recreate "Echoplex" song
  • Live performance tool
  • Authentic visuals and sounds
  • Drum line recreation
Read full description

D0TS Echoplex is a basic music sequencer designed to let you perform the Nine Inch Nails song “Echoplex”. During the “Lights In The Sky” tour, the band used to play this song with a giant sequencer at the background of the stage. D0TS Echoplex gives you the same visuals and sounds, so you can easily recreate the drum line, right in your hand. Feel free to use this application as a music instrument to play the song live by yourself, or with your band. All the audio files are extracted from the Nine Inch Nails album “The Slip”, available at nin.com under a creative commons attribution non-commercial share alike license.

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

Screenshots

D0TS Echoplex2 screens

Verdict

The call

The clearest difference is rating: iSequence HD at 4.2 against D0TS Echoplex's 3.1. iSequence HD also leads on update cadence (every 3 months vs every 11 months). D0TS Echoplex's advantage is in-app purchases (none vs 8) and ratings volume (411 vs 33). On price, review sentiment, 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

Both are free to download. iSequence HD sells 8 one-off in-app purchases. D0TS Echoplex asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

iSequence HD holds the better App Store score, 4.2 against 3.1. That said, the two scores are not equally well evidenced: D0TS Echoplex has 411 ratings behind it against 33, so its average is the more settled of the two. Written reviews point the same way: 73% of D0TS Echoplex's written reviews are positive against 77% of iSequence HD's.

UpkeepUpdate frequency

D0TS Echoplex ships an update every 11 months, iSequence HD every 3 months. The most recent releases landed on October 21, 2026 and October 14, 2026 respectively.

Scorecard6 real differences · 4 level
D0TS Echoplex versus iSequence HD: the parameters behind the verdict, then further details
ParameterD0TS EchoplexiSequence HD
PriceFreeFree
Rating3.1 (411 ratings)4.2 (33 ratings) — better
Positive reviews72.7% of reviews76.6% of reviews — better
Number of ratings411 — better33
Update frequencyEvery 11 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod, Mac — betteriPad
Requires iOS14.0 — better15.6
Further details — not scored
Size2 MB156 MB
Age rating4+4+
DeveloperVincent TourraineBeepStreet

Customer experience

D0TS Echoplex

All ratings412 ratings
Positive44.2%
Neutral15.8%
Negative40.0%
Written reviews99 reviews
Positive72.7%
Neutral10.1%
Negative17.2%

iSequence HD

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

User reviews

D0TS Echoplex

From 411 App Store ratings

What we love

  • 👍 Sweet nostalgia
  • 👍 Thank you for updating
  • 👍 Awesome
  • 👍 Fun to play around with
  • 👍 Great app for any NIN fan

Room to improve

  • 🐛 Instruments not working
  • 🐛 Lags like crazy
  • 🐛 Terrible execution
  • 🐛 Samples play twice
  • 🐛 Out of sync

iSequence HD

From 33 App Store ratings

What we love

  • 🚀 Powerful sequencer
  • 👍 Intuitive interface
  • 🎨 Great sound quality
  • 💰 Good value for money
  • 🎶 Excellent for music creation

Room to improve

  • 🐛 Crashes and stability issues
  • 🔇 Limited audio export options
  • 🔒 Lack of Audiobus/Inter-App Audio support
  • 🔢 Limited track count
  • 🔀 Difficulty with time signatures and polyrhythms

Bugs and requests

D0TS Echoplex

Reported bugs

3 issues
  • Guitar, bass, and vocals don't match up
  • Vocals and other tracks don't sync with beat
  • App crashes or stops working

Requested features

5 requests
  • Enable original sound samples and selection queues
  • Add ability to change tempo
  • Add more drum sounds and samples
  • Add BPM display
  • Add more songs and instruments

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

In-app purchases

None

D0TS Echoplex

No 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

Questions

Is D0TS Echoplex free?
D0TS Echoplex is free to download, with no in-app purchases.
Is iSequence HD free?
iSequence HD is free to download, with in-app purchases available.
Which has better reviews, D0TS Echoplex or iSequence HD?
iSequence HD is rated higher. D0TS Echoplex averages 3.1 out of 5 from 411 ratings, while iSequence HD averages 4.2 from 33 ratings.
Do D0TS Echoplex or iSequence HD have ads?
Neither D0TS Echoplex nor iSequence HD shows ads.
Which is updated more often, D0TS Echoplex or iSequence HD?
D0TS Echoplex ships an update every 11 months, and iSequence HD every 3 months. Most recently, D0TS Echoplex was updated on October 21, 2026 and iSequence HD on October 14, 2026.

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