D0TS Echoplex vs iSequence HD
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Music sequencer
- Recreate "Echoplex" song
- Live performance tool
- Authentic visuals and sounds
- Drum line recreation
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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.
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.
- 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
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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
Verdict
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
Both are free to download. iSequence HD sells 8 one-off in-app purchases. D0TS Echoplex asks for nothing beyond the download.
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.
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.
| Parameter | D0TS Echoplex | iSequence HD |
|---|---|---|
| Price | Free | Free |
| Rating | 3.1 (411 ratings) | 4.2 (33 ratings) — better |
| Positive reviews | 72.7% of reviews | 76.6% of reviews — better |
| Number of ratings | 411 — better | 33 |
| Update frequency | Every 11 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod, Mac — better | iPad |
| Requires iOS | 14.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 2 MB | 156 MB |
| Age rating | 4+ | 4+ |
| Developer | Vincent Tourraine | BeepStreet |
Customer experience
D0TS Echoplex
iSequence HD
User reviews
D0TS Echoplex
From 411 App Store ratingsWhat 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 ratingsWhat 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
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- Ability to save and load full projects
In-app purchases
D0TS Echoplex
No in-app purchases
iSequence HD
- Funny farm bank$1.99
- Chiptunes bank$1.99
- Acoustic bank$2.99
Show 5 moreShow fewer
- Electro/house bank$2.99
- Trance waves$2.99
- Loops vol.1$2.99
- Loops vol.2$2.99
- Beat elements bank$2.99









