D0TS Echoplex vs Sequencer Rack 2
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.
Sequencer Rack 2
Create music and beats with a vintage-inspired step sequencer. Features 16 distinct sounds, chord progressions, and effects. Export your creations as WAV files.
- 16 distinct vintage sounds
- Chord progressions in C major
- Melody pads
- Two audio effects
- Export to WAV
- Sound pitch and volume control
- Loop playback
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Sequencer Rack 2 (Retro) is step sequencer app looking like a small machine. Geared with pure vintage acoustic sounds. Banjo, guitar, synth, bass and drums! It has 16 voices that can be used in 16 patterns. It is very easy to create music and beats with it. However the sequencer has its limits. Features: - 16 different sounds - Chords in C major - Melody pads that can play the current chord - 2 effects (Stone Echo and virtual speaker) - export to .wav file - sound pitch control for every sound - can play sounds backwards - tempo BPM control - select beats per minute - volume control - can play in loop - pads volume control
Screenshots
Verdict
The clearest difference is price: D0TS Echoplex at Free against Sequencer Rack 2's $3.99. D0TS Echoplex also leads on in-app purchases (none vs 1) and update cadence (every 11 months vs every 91 months). On rating, ads, device support 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
D0TS Echoplex is free to download; Sequencer Rack 2 costs $3.99 up front. Sequencer Rack 2 sells 1 one-off in-app purchase. D0TS Echoplex asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 3.1 for D0TS Echoplex against 3.0 for Sequencer Rack 2. That said, the two scores are not equally well evidenced: D0TS Echoplex has 412 ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 73% of D0TS Echoplex's written reviews are positive against 50% of Sequencer Rack 2's.
D0TS Echoplex ships an update every 11 months, Sequencer Rack 2 every 91 months. The most recent releases landed on September 20, 2026 and September 18, 2026 respectively.
| Parameter | D0TS Echoplex | Sequencer Rack 2 |
|---|---|---|
| Price | Free — better | $3.99 |
| Rating | 3.1 (412 ratings) — better | 3.0 (2 ratings) |
| Positive reviews | 72.7% of reviews — better | 50.0% of reviews |
| Number of ratings | 412 — better | 2 |
| Update frequency | Every 11 months — better | Every 91 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, iPod |
| Requires iOS | 14.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 2 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | Vincent Tourraine | Aleksandar Mlazev |
Customer experience
D0TS Echoplex
Sequencer Rack 2
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
Sequencer Rack 2
Not enough reviews yet to summarise bugs or requests.
In-app purchases
D0TS Echoplex
No in-app purchases
Sequencer Rack 2
- Sequencer Rack 2 unlock export$1.99
Questions
Is D0TS Echoplex free?
Is Sequencer Rack 2 free?
Which has better reviews, D0TS Echoplex or Sequencer Rack 2?
Do D0TS Echoplex or Sequencer Rack 2 have ads?
Which is updated more often, D0TS Echoplex or Sequencer Rack 2?
Other comparisons
