Comparison

WOW Filterbox vs Stravinski

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

Head to head
About

WOW Filterbox

This app offers a creative multi-filterbox with 21 filter types, analog and digital distortions, and powerful modulation options. It includes an integrated player and recorder, XY-pads for parameter control, and supports MIDI and Ableton Link.

Highlights
  • 21 filter types
  • Analog and digital distortion
  • Step sequencer & wobble generator
  • LFO with multiple waveforms
  • XY-Pads for parameter control
  • Integrated player and recorder
  • MIDI support & Ableton Link
Read full description

WOW2 is here! With a future-dripping user interface, 21 incredible filter types with the famous vowel mode. With distortions that cover your tracks with gas and put them on fire. Modulations that cause more trouble than your modular dark room. And finally that warm and juicy sound, that you were looking for. - 21 Filter types like Lowpass, Bandpass, Highpass, Bandreject, Comb and much more. Low pass types up to 48 db, including flavors like SVF, Diode Ladder and Transistor Ladder. The filters and distortions have been designed for best harmonics without aliasing, for high definition audio quality. - Three different analog modeling overdrives and four digital distortion functions are included. Use them pre or post the filter. - Modulation is power. Power is ***. Create stunning trance gates with the step sequencer, do some giant wobbles with the wobble generator or let all the modulators interact with each other. The LFO offers many different wave forms, restart options and sync flavors. - Presets are just one click away. Randomize presets to inspire yourself. Features at a Glance: • Audio Unit v3 & Standalone • XY-Pads to control 6 Parameters simultaneously • Integrated Player (File Sharing, Music Library, Factory Loops) • Integrated Recorder (div. Optionen: Start/Stop/Sync/Länge) • Live Modus (Inputs & Outputs selectable) • MIDI Support, MIDI Learn & Host Automation • Midi Clock Sync • Ableton Link support • Audioshare Import & Preset Share (iCloud)

About

Stravinski

This app generates eight-bar piano melodies based on music psychology research. Users can adjust complexity, tempo, and key, and toggle drum tracks. It supports Audiobus, Inter-App Audio, and MIDI out.

Highlights
  • Melody generation
  • Adjustable complexity
  • Tempo and key settings
  • Drum track toggle
  • Audiobus support
  • Inter-App Audio support
  • MIDI out support
Features
Read full description

"Stravinski" is a melody generator that creates eight-bar piano melodies with adjustable complexity. The algorithm is based on scientific research in the field of music psychology. It is developed by the team behind "CHAiOS SYNTH 2". Workflow: set the complexity to your preferred level, press "generate", then "play". That's it. Hit "settings" to set tempo and key, or toggle the drum tracks on/off. Of cause "Stravinski" supports Audiobus, Inter-App Audio and MIDI out. If you want to know more about the theory behind the algorithm get in contact with us. Have fun and get inspired by this premium melody algorithm!

Screenshots

Stravinski4 screens

Verdict

The call

The clearest difference is rating: WOW Filterbox at 4.6 against Stravinski's 4.0. Stravinski's advantage is in-app purchases (none vs 1) and update cadence (every 5 days vs every 4 months). On price, ratings volume and ads 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

Both are free to download. WOW Filterbox sells 1 one-off in-app purchase. Stravinski asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

WOW Filterbox holds the better App Store score, 4.6 against 4.0. Both are backed by a comparable volume of ratings — 30 and 21 respectively. Written reviews complicate that: 64% of WOW Filterbox's written reviews are positive against 86% of Stravinski's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

WOW Filterbox ships an update every 4 months, Stravinski every 5 days. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

Scorecard7 real differences · 3 level
WOW Filterbox versus Stravinski: the parameters behind the verdict, then further details
ParameterWOW FilterboxStravinski
PriceFreeFree
Rating4.6 (30 ratings) — better4.0 (21 ratings)
Positive reviews64.3% of reviews85.7% of reviews — better
Number of ratings30 — better21
Update frequencyEvery 4 monthsEvery 5 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPadiPhone, iPad, iPod — better
Requires iOS17.610.0 — better
Further details — not scored
Size86 MB136 MB
Age rating4+4+
DeveloperSugar Bytes GmbHPer Loenicker

Customer experience

WOW Filterbox

All ratings30 ratings
Positive86.7%
Neutral10.0%
Negative3.3%
Written reviews42 reviews
Positive64.3%
Neutral11.9%
Negative23.8%

Stravinski

All ratings21 ratings
Positive71.4%
Neutral9.5%
Negative19.0%
Written reviews14 reviews
Positive85.7%
Neutral7.1%
Negative7.1%

In-app purchases

1 purchases

WOW Filterbox

One-time1
  • WOW Full Version$19.99
None

Stravinski

No in-app purchases

Questions

Is WOW Filterbox free?
WOW Filterbox is free to download, with in-app purchases available.
Is Stravinski free?
Stravinski is free to download, with no in-app purchases.
Which has better reviews, WOW Filterbox or Stravinski?
WOW Filterbox is rated higher. WOW Filterbox averages 4.6 out of 5 from 30 ratings, while Stravinski averages 4.0 from 21 ratings.
Do WOW Filterbox or Stravinski have ads?
Neither WOW Filterbox nor Stravinski shows ads.
Which is updated more often, WOW Filterbox or Stravinski?
WOW Filterbox ships an update every 4 months, and Stravinski every 5 days. Most recently, WOW Filterbox was updated on October 23, 2026 and Stravinski on October 24, 2026.

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