Comparison

AUFX vs Xequence 2

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

Head to head
About

AUFX

This app offers a versatile stereo dynamics processor with advanced features like a noise gate, compressor/expander, and limiter. It allows for a wide range of audio manipulation, from subtle adjustments to extreme effects, with external side-chain capabilities and high-quality DSP.

Highlights
  • Stereo dynamics processor
  • Noise gate
  • Compressor/expander
  • External side-chain input
  • Lookahead limiter
  • High quality 32-bit DSP
Features
Read full description

A highly tweakable stereo dynamics processor with noise gate, compressor/expander with external side-chain input, and limiter/clipper. From subtle compression, extreme pumping, to maximum loudness! This app is part of the AUFX series, a collection of simple and powerful audio effect apps. • High quality 32-bit DSP engine. • Compressor/expander with optional lookahead buffer. • Allows negative ratios for pumping/cancellation effects. • Hard or soft knee with adjustable radius. • Built-in side-chain low/high cut filters with monitor toggle. • External side-chain input through Inter-App Audio or Audiobus. • Built-in noise gate. • Brick-wall lookahead limiter. • Hard/soft clipper. • Supports "parallell compression". • RMS/Peak envelope followers with attack, release and hold time. • Switchable between Linear and Logarithmic mode. • Automatic makeup gain. • Stereo link on/off. • Process hardware input/output, or other apps through Inter-App Audio or Audiobus (input/filter/output slots supported). • Save, load and share user presets. • Supports Audiobus 2 state saving. • Comes with several bundled presets. • Fully MIDI controllable, including Virtual MIDI. • Background Audio. • Record the result directly in app. • Email recordings or export to AudioShare audio document manager app. • Access user presets and recordings through iTunes File Sharing.

About

Xequence 2

A powerful MIDI sequencer, editor, and controller for digital music production on iPhone and iPad. It offers a desktop-class editing experience, robust import/export, and advanced features like MPE support and Ableton Link.

Highlights
  • MIDI sequencer, editor, arranger, and controller
  • Desktop-class editing experience
  • Robust MIDI file import/export
  • MPE support with per-note editing
  • Scale support in editors and keyboard
  • Ableton Link and Audiobus 3 integration
  • Advanced clip-based arranger
Features
Read full description

This app is targeted at digital music production enthusiasts & professionals. Xequence is a comprehensive, fast & reliable MIDI sequencer, editor, arranger & controller for iPhone & iPad. Providing a desktop-class editing experience, it is the perfect centerpiece for a hardware studio, or for apps like AUM & Audiobus 3 to create a modular mobile music production environment. HIGHLIGHTS: - Efficient & fast User Interface for an amazing editing workflow - Robust MIDI File Import & Export (notes, controllers, program changes, etc.) - Extensive support for MPE (In-App Purchase) with per-note expression data editing - Support for scales everywhere (keyboard, pianoroll, etc.) - Over 70 included scales in 10 categories - MIDI Time Stretching in all editors - Best-in-class MIDI timing and clock output - Full Ableton Link 3 support - Full Audiobus 3 support - MIDI In & Thru with re-channelization & re-routing - MIDI Sync Master (Clock/Start/Stop/Continue/SPP) to sync other DAWs & sequencers to Xequence, e.g. to use audio tracks, or external drum machines. Several options for compatibility ARRANGER: - Unlimited Clips - Unlimited Tracks - Unlimited Sub Tracks per Track - 64 Undo/Redo steps - Flexible grid - Per-track non-destructive Swing & MIDI Delay - Linked Clips / Clones (editing the original changes all copies) - Powerful clip-based, per-track independent looping - Program changes - Selection tools: Marquee/Rectangle, Same Track, Same Instrument, Linked Clips, Invert, etc. - Editing tools: Create Copy, Create Linked Copy, Unlink, Split, Join, Convert loops to clips, etc. - Global clipboard, even between projects - Movement/Trimming Handles at screen edges for efficient editing PIANOROLL EDITOR: - 256 Undo/Redo steps - Scale-awareness ("folding") - Relative or absolute grid (move by grid increments or snap to nearest grid lines) - Live MIDI previews of all edits - Selection tools: Box, Same Note, Same Key, Same Beat Position, Invert, etc. - Editing tools: Copy, Legato, Quantize, Quantize Ends, Octave +/-, Flip H/V (mirror), Fill clip with selection, etc. - Smart Draw mode: Touch to create, touch again to delete, drag up/down to transpose, drag left/right to change length - Global clipboard, even between projects - Configurable "ghost" overlays - Note velocities quickly adjustable via a handle, or editable like controllers, see below: CONTROLLER EDITOR: - 256 Undo/Redo steps - Selection tools: Box, Same Beat Position, Invert - Selection modes: Add & Replace - Editing tools: Copy, Reduce, Quantize, Compress/Expand, Flip H/V (mirror), Ramp (various curves), Fill clip with selection - Smart Draw mode - Note Velocities can be shown as controllers and edited with the same tools - Configurable vertical grid & value entry KEYBOARD / CONTROLLER: - Scale-aware, very playable single or dual keyboards - Glide support - Adjustable key width - Velocity emulation (via vertical position) - Drum maps and pads, fully editable, 40+ factory maps - Touch ribbons for live control - Controllers can be moved by sliding (ribbon), device rotation (up to three axes at once), like a button (sustain pedal, "trance gates"), or by touching the keys at different vertical positions. All highly configurable. INSTRUMENTS: - Unlimited Instruments (MIDI configurations for devices / apps) - Up to 150controller slots per Instrument - Optional support for (N)RPNs (In-App Purchase) - Loading & Saving of instruments for re-use in other projects, 40+ factory presets included (In-App Purchase) - Compatible with virtually ALL apps and class-compliant MIDI interfaces VARIOUS: - Audio or MIDI Metronome - Note chasing (notes play even when playback starts in the middle) - Controller chasing - Perfect song looping, no dropouts/jitter at loop points - Supports any time signature/BPM (fixed per song) - Includes PolyHymnia, an advanced Generative Music module - Light and Dark themes Please report any issues via our website, we provide quick and comprehensive support!

Screenshots

AUFX4 screens
Xequence 24 screens

Verdict

The call

The clearest difference is price: AUFX at $4.99 against Xequence 2's $19.99. AUFX also leads on in-app purchases (none vs 1) and iOS requirement (9.0 vs 14.2). Xequence 2's advantage is update cadence (every 2 weeks vs every 5 months) and rating (4.6 vs 4.3). On ratings volume, ads 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

CostPrice · In-app purchases · Ads · Monetization

AUFX costs $4.99 and Xequence 2 $19.99 up front. Xequence 2 sells 1 one-off in-app purchase. AUFX asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Xequence 2 holds the better App Store score, 4.6 against 4.3. Both are backed by a comparable volume of ratings — 32 and 65 respectively. Written reviews point the same way: 66% of AUFX's written reviews are positive against 78% of Xequence 2's.

UpkeepUpdate frequency

AUFX ships an update every 5 months, Xequence 2 every 2 weeks. The most recent releases landed on October 9, 2026 and October 15, 2026 respectively.

Scorecard7 real differences · 3 level
AUFX versus Xequence 2: the parameters behind the verdict, then further details
ParameterAUFXXequence 2
Price$4.99 — better$19.99
Rating4.3 (32 ratings)4.6 (65 ratings) — better
Positive reviews65.8% of reviews77.8% of reviews — better
Number of ratings3265 — better
Update frequencyEvery 5 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFreemium — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better14.2
Further details — not scored
Size5 MB8 MB
Age rating4+4+
DeveloperKymatica ABAlexander Ewering

Customer experience

AUFX

All ratings32 ratings
Positive84.4%
Neutral6.3%
Negative9.4%
Written reviews38 reviews
Positive65.8%
Neutral13.2%
Negative21.1%

Xequence 2

All ratings65 ratings
Positive89.2%
Neutral1.5%
Negative9.2%
Written reviews45 reviews
Positive77.8%
Neutral4.4%
Negative17.8%

Bugs and requests

AUFX

Not enough reviews yet to summarise bugs or requests.

Xequence 2

Reported bugs

4 issues
  • No sound for some users
  • Auto-save failed, lost work
  • Exported MIDI out of sync
  • Controller values not resetting properly

Requested features

5 requests
  • AUV3 support
  • Tempo and time signature changes mid-song
  • MIDI control for transport (start/stop)
  • SysEx support
  • Always visible Metronome button

In-app purchases

None

AUFX

No in-app purchases

1 purchases

Xequence 2

One-time1
  • Enhanced Pack$4.99

Questions

Is AUFX free?
AUFX costs $4.99, with no in-app purchases.
Is Xequence 2 free?
Xequence 2 costs $19.99, and also offers in-app purchases.
Which has better reviews, AUFX or Xequence 2?
Xequence 2 is rated higher. AUFX averages 4.3 out of 5 from 32 ratings, while Xequence 2 averages 4.6 from 65 ratings.
Do AUFX or Xequence 2 have ads?
Neither AUFX nor Xequence 2 shows ads.
Which is updated more often, AUFX or Xequence 2?
AUFX ships an update every 5 months, and Xequence 2 every 2 weeks. Most recently, AUFX was updated on October 9, 2026 and Xequence 2 on October 15, 2026.

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