D0TS Echoplex vs Frenzy MIDI Sequencer
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.
Frenzy MIDI Sequencer
This application generates random musical patterns using physics-based objects. It allows you to play a built-in tone generator or connect to external MIDI devices and software.
- Physics-based note generation
- Built-in tone generator
- External MIDI connectivity
- Random pattern creation
- Object interaction for sound
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Frenzy is a MIDI sequencer that uses objects in a physics environment to generate random patterns of notes. You can play it's built in tone generator or connect to other apps, software, or devices over MIDI.
Screenshots
Verdict
The clearest difference is rating: Frenzy MIDI Sequencer at 4.7 against D0TS Echoplex's 3.1. Frenzy MIDI Sequencer also leads on update cadence (every 2 weeks vs every 11 months) and review sentiment (83% vs 73%). D0TS Echoplex's advantage is ratings volume (411 vs 9) and device support (4 vs 1). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.
Frenzy MIDI Sequencer holds the better App Store score, 4.7 against 3.1. That said, the two scores are not equally well evidenced: D0TS Echoplex has 411 ratings behind it against 9, 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 83% of Frenzy MIDI Sequencer's.
D0TS Echoplex ships an update every 11 months, Frenzy MIDI Sequencer every 2 weeks. The most recent releases landed on October 21, 2026 and October 3, 2026 respectively.
| Parameter | D0TS Echoplex | Frenzy MIDI Sequencer |
|---|---|---|
| Price | Free | Free |
| Rating | 3.1 (411 ratings) | 4.7 (9 ratings) — better |
| Positive reviews | 72.7% of reviews | 83.3% of reviews — better |
| Number of ratings | 411 — better | 9 |
| Update frequency | Every 11 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone |
| Requires iOS | 14.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 2 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Vincent Tourraine | Daniel Hooper |
Customer experience
D0TS Echoplex
Frenzy MIDI Sequencer
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
Frenzy MIDI Sequencer
Not enough reviews yet to summarise bugs or requests.
In-app purchases
D0TS Echoplex
No in-app purchases
Frenzy MIDI Sequencer
No in-app purchases
Questions
Is D0TS Echoplex free?
Is Frenzy MIDI Sequencer free?
Which has better reviews, D0TS Echoplex or Frenzy MIDI Sequencer?
Do D0TS Echoplex or Frenzy MIDI Sequencer have ads?
Which is updated more often, D0TS Echoplex or Frenzy MIDI Sequencer?
Other comparisons
