Comparison

Arpeggionome for iPhone | matrix arpeggiator vs SKIIID

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

Head to head
About

Arpeggionome for iPhone | matrix arpeggiator

This app is a musical instrument for creating arpeggios. Design patterns using a matrix, control speed and pitch, and utilize device motion for expressive effects like volume, pitchbend, and vibrato. It supports MIDI and can control other music apps and gear with an optional upgrade.

Highlights
  • Matrix arpeggio pattern design
  • Speed and pitch control
  • Tilt for volume and pitchbend
  • Shake for vibrato
  • MIDI support
  • Control external gear and software (Pro Upgrade)
Read full description

Arpeggionome (pronounced ahr-pej-ee-oh-nohm) is a new musical instrument designed to play arpeggios*. • "Arpeggionome makes amazing patterns in arrays of pulsing circles" (Peter Kirn, Create Digital Music) • "A masterpiece in design and functionality" (smitematter.com) • Rated as the "Most Creative MIDI App" by iPadMusic.com • "Arpeggionome Pro is a very very powerful arpeggiator that can really take your music to the next level" (Chip Boaz, iosmusicandyou.com) • "If you like great Arpeggiators, this is it!" (Jordan Rudess) Design an arpeggio pattern with various knobs and buttons, then move up-and-down the matrix to set its speed, or left-and-right to set its pitch. Tilt the device to control volume and pitchbend, or shake for vibrato. Also, with the Pro Upgrade In-App Purchase, Arpeggionome for iPhone can be used to control other iOS music apps, external gear, and computer software like never before. *An arpeggio is a musical technique where notes in a chord are played in sequence, rather than ringing out simultaneously. Supports MIDI.

About

SKIIID

This app is a percussion synthesizer designed for live performance. It features four morphing pads where finger position controls sound parameters and velocity. Explore deep sound design with a step sequencer, auto-mutation, and chaos engine for instant sound generation.

Highlights
  • Four morphing percussion pads
  • Real-time parameter control via touch
  • 16-step sequencer per pad
  • Auto-mutate sound evolution
  • Chaos engine for instant sound generation
  • AUv3 plugin support
  • MIDI input and Ableton Link sync
Features
Read full description

SKIIID is a percussion synthesizer built for real-time performance. Four pads. Each one is a sound sculpted by where your finger lands. Move left or right to morph between synth parameters. Move up or down to control velocity. Simple to play, deep to explore. — PADS — Four independent drum voices. Each pad morphs between parameter extremes based on X-axis position. Velocity is Y-axis. — STEP SEQUENCER — 16-step sequencer per pad. Variable step length for polyrhythms. Reverse playback, shuffle, pin and random step modes. Sync to Ableton Link or run free. — AUTO-MUTATE — Evolves your sound automatically. Individual interval and intensity per pad, synced to tempo. — CHAOS ENGINE — RANDOM, CHAOS, and MUTATE modes generate new sounds instantly. — AUv3 PLUGIN — Run SKIIID inside AUM, ApeMatrix, Audiobus, or any AUv3 host. Multiple instances work independently — different patches, different sequencers, no shared state. — MIDI — MIDI In for pad triggering. MIDI Learn for external controller mapping. Ableton Link for tempo sync. — WORKS ON — iPhone and iPad, all modern screen sizes. Landscape mode.

Screenshots

Arpeggionome for iPhone | matrix arpeggiator4 screens
SKIIID2 screens

Verdict

The call

The clearest difference is rating: Arpeggionome for iPhone | matrix arpeggiator at 4.9 against SKIIID's 4.4. Arpeggionome for iPhone | matrix arpeggiator also leads on review sentiment (86% vs 74%) and iOS requirement (8.0 vs 16.0). SKIIID's advantage is update cadence (every 4 days vs every 6 months) and price ($3.99 vs $4.99). On ratings volume, 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

CostPrice · In-app purchases · Ads · Monetization

Arpeggionome for iPhone | matrix arpeggiator costs $4.99 and SKIIID $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Arpeggionome for iPhone | matrix arpeggiator holds the better App Store score, 4.9 against 4.4. Both are backed by a comparable volume of ratings — 69 and 31 respectively. Written reviews point the same way: 86% of Arpeggionome for iPhone | matrix arpeggiator's written reviews are positive against 74% of SKIIID's.

UpkeepUpdate frequency

Arpeggionome for iPhone | matrix arpeggiator ships an update every 6 months, SKIIID every 4 days. The most recent releases landed on October 26, 2026 and October 21, 2026 respectively.

Scorecard6 real differences · 4 level
Arpeggionome for iPhone | matrix arpeggiator versus SKIIID: the parameters behind the verdict, then further details
ParameterArpeggionome for iPhone | matrix arpeggiatorSKIIID
Price$4.99$3.99 — better
Rating4.9 (69 ratings) — better4.4 (31 ratings)
Positive reviews86.4% of reviews — better73.9% of reviews
Number of ratings69 — better31
Update frequencyEvery 6 monthsEvery 4 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPodiPhone, iPad
Requires iOS8.0 — better16.0
Further details — not scored
Size7 MB20 MB
Age rating4+4+
DeveloperAlexandernautStephan Bolch

Customer experience

Arpeggionome for iPhone | matrix arpeggiator

All ratings69 ratings
Positive97.1%
Neutral1.4%
Negative1.4%
Written reviews140 reviews
Positive86.4%
Neutral2.9%
Negative10.7%

SKIIID

All ratings31 ratings
Positive83.9%
Neutral6.5%
Negative9.7%
Written reviews23 reviews
Positive73.9%
Neutral13.0%
Negative13.0%

Bugs and requests

Arpeggionome for iPhone | matrix arpeggiator

Reported bugs

5 issues
  • Pro upgrade not working/app continues to ask for upgrade after purchase
  • In-app purchase system failing to process MIDI unlock
  • App crashes on iPad 3 at startup
  • High background audio battery drain
  • Accessibility features not functioning properly with VoiceOver

Requested features

10 requests
  • Audiobus and Inter-App Audio (IAA) support
  • Ableton Link support
  • Recording and saving patterns/audio
  • Volume control and equalizer
  • Multitouch support for playing multiple notes simultaneously
Show 5 more
  • Ability to save and load presets
  • Universal app (single purchase for both iPhone and iPad)
  • Better accessibility for VoiceOver users
  • Landscape mode on iPhone
  • Quick XY settings configuration before playing

SKIIID

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Arpeggionome for iPhone | matrix arpeggiator

No in-app purchases

None

SKIIID

No in-app purchases

Questions

Is Arpeggionome for iPhone | matrix arpeggiator free?
Arpeggionome for iPhone | matrix arpeggiator costs $4.99, with no in-app purchases.
Is SKIIID free?
SKIIID costs $3.99, with no in-app purchases.
Which has better reviews, Arpeggionome for iPhone | matrix arpeggiator or SKIIID?
Arpeggionome for iPhone | matrix arpeggiator is rated higher. Arpeggionome for iPhone | matrix arpeggiator averages 4.9 out of 5 from 69 ratings, while SKIIID averages 4.4 from 31 ratings.
Do Arpeggionome for iPhone | matrix arpeggiator or SKIIID have ads?
Neither Arpeggionome for iPhone | matrix arpeggiator nor SKIIID shows ads.
Which is updated more often, Arpeggionome for iPhone | matrix arpeggiator or SKIIID?
Arpeggionome for iPhone | matrix arpeggiator ships an update every 6 months, and SKIIID every 4 days. Most recently, Arpeggionome for iPhone | matrix arpeggiator was updated on October 26, 2026 and SKIIID on October 21, 2026.

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