DubFilter vs Sequencer Rack 2
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DubFilter
This app provides a powerful dual filter with resonance and an exclusive overlap parameter. It also features a redesigned stereo sample player with LFO and scrubbing, along with extensive MIDI and file management capabilities.
- Dual low-pass/high-pass filter
- Resonance and Overlap parameter
- Stereo sample player with LFO
- Scrubbing capabilities
- Audiobus and Inter-App Audio support
- MIDI control and file management
- Preset morphing pad
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The Dub Filter is a dual low-pass/high-pass 24/48 dB filter, with resonance and the exclusive Overlap parameter! It contains a completely redesigned stereo sample player with LFO and scrubbing capabilities. Main Features: - Audiobus and Inter-App Audio support (sender and FX) - State Variable Filter (Low-Pass and High-Pass) with resonance and overlap - Built In Stereo Sampler with varispeed and scrubbing - Control Manager LFO for all the Parameters - Midibus, Virtual Midi and Network: 14 bit NRPN controllers - File Manager, sharing common audio files via iTunes, Dropbox and AudioCopy - Snapshots Presets Morphing Pad - Post Fx Chain: Low-shelf Filter, High-shelf and Compressor
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: DubFilter at Free against Sequencer Rack 2's $3.99. DubFilter also leads on rating (4.7 vs 3.0) and update cadence (every 6 months vs every 91 months). Sequencer Rack 2's advantage is iOS requirement (15.6 vs 17.0). On ads, in-app purchases and device support 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
DubFilter is free to download; Sequencer Rack 2 costs $3.99 up front. DubFilter sells 1 one-off in-app purchase and Sequencer Rack 2 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
DubFilter holds the better App Store score, 4.7 against 3.0. That said, the two scores are not equally well evidenced: DubFilter has 71 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 73% of DubFilter's written reviews are positive against 50% of Sequencer Rack 2's.
DubFilter ships an update every 6 months, Sequencer Rack 2 every 91 months. The most recent releases landed on September 22, 2026 and September 18, 2026 respectively.
| Parameter | DubFilter | Sequencer Rack 2 |
|---|---|---|
| Price | Free — better | $3.99 |
| Rating | 4.7 (71 ratings) — better | 3.0 (2 ratings) |
| Positive reviews | 73.3% of reviews — better | 50.0% of reviews |
| Number of ratings | 71 — better | 2 |
| Update frequency | Every 6 months — better | Every 91 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases — better | Paid |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 12 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | Amazing Noises | Aleksandar Mlazev |
Customer experience
DubFilter
Sequencer Rack 2
In-app purchases
DubFilter
- Audio Unit Plugin Support$1.99
Sequencer Rack 2
- Sequencer Rack 2 unlock export$1.99
Questions
Is DubFilter free?
Is Sequencer Rack 2 free?
Which has better reviews, DubFilter or Sequencer Rack 2?
Do DubFilter or Sequencer Rack 2 have ads?
Which is updated more often, DubFilter or Sequencer Rack 2?
Other comparisons
