Comparison

BLEASS Groovebox vs Stravinski

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

Head to head
About

BLEASS Groovebox

Create, perform, and compose music with this all-in-one beat studio. Features a multitrack sequencer, synthesizers, and drum machines for intuitive beatmaking and sound design. Optimized for both studio and live performance.

Highlights
  • Multitrack sequencer
  • Monophonic & polyphonic synthesizers
  • Drum machines
  • Sample recording and editing
  • Real-time performance controls
  • MIDI and Ableton Link support
Features
Read full description

BLEASS Groovebox brings music production and performance to its very core: play, perform, compose beats, chords and melodies in a new yet intuitive way thanks to its multitrack sequencer, monophonic & polyphonic synthesizers and drum machines. PROFESSIONAL GRADE INSTRUMENT BLEASS Groovebox has been designed for both iPhone and iPad and offers great performance and stability thanks to its powerful realtime audio engine and fully customizable parameters: go deep in the shaping of electronic sounds without being limited by factory presets. WILD BASSES, BEATS AND SYNTHS Record, import and edit your own samples and make sick beats out of the 16 steps sequencer with customizable filters and grooves, as well as binary and ternary quantization. Customize endlessly your monophonic and polyphonic synthesizers by tweaking the effects, envelopes and LFOs ! BUILT FOR STUDIO AND LIVE PERFORMANCE Unique slider controls, long-press & multi-touch controls make this groovebox a perfect live tool: Record/Edit/Start/Stop/Copy/Paste your patterns as you feel like, build and arrange your songs on the fly, apply reverb or delay effects, and let the music live! COMPATIBLE WITH THE iOS MUSIC STANDARDS BLEASS groovebox supports Ableton Link and Inter-App Audio and also works in complete synergy with all of your studio soft- and hardware gear using MIDI IN/OUT and SYNC OUT features. Manage your project files, audio export, import your own samples thanks to the Apple iOS Files Integration. Load BLEASS groovebox in your favorite host or plug your iPhone or iPad in an external sound card to enjoy virtual and physical multi-track output routing. GENERAL FEATURES : > low-CPU and low-latency iOS-dedicated audio engine > up to 16 steps per bar > up to 8 bars per sequence > separate groove settings per track > binary and ternary time signatures and quantization > live and song modes > tap tempo > metronome > speed control for each sequence ( x 0.5 / x1 / x2 ) > multi-touch solo button for each track > start & stop sequences with single tap and double tap > 2 FX sends > 4 tracks sequencer > optimized workflow for a smooth live/studio experience > notes swapping : easily move a note to a different step > major and minor scales DRUM MACHINE > 6 user-customizable samples per track > sample length, attack, release and pitch settings > low pass and high pass filters > post and pre- drive and bitcrusher settings > velocity settings per step (with random velocity option) > sample import via iCloud or Files MONO SYNTHS > up to 9 virtual-analog synthesizers for each track > 2 oscillators + 1 noise > 1 amplifier envelope > 2 filters with 1 envelope > post and pre- drive and bitcrusher > 2 LFOs > presets loading > pitch envelope CHORDS > on the fly chords performance with scales > up to 4 virtual-analog synthesizers for each track > 2 oscillators + 1 noise > amplifier and pitch envelope > 2 filters with 1 envelope > strumming > bitcrusher > 2 LFOs > presets loading ADVANCED FEATURES > expression panels (pads or keyboard) with beat repeat > on the fly sequence recording with quantization > sample recording > iCloud synchronization > live audio export > Ableton Link & Inter-App Audio compatibility PRO FEATURES You can access all the BLEASS PRO FEATURES by purchasing the full unlock (pay once and own forever). As a PRO user, you gain access to all premium features, all samples and all presets packs, as well as upcoming new features and instruments added continuously: > Access to all samples packs (over 1000 samples). New sample packs added regularly! > Projects files management : load, save, import, export… > MIDI in/out > MIDI LEARN (control changes) > MIDI sync out > Presets saving > MIX panel > FXs parameters customization : reverb, delay, ping pong delay > External Audio Routing > Virtual Audio Routing (open separate BLEASS audio channels into any compatible host) Find tutorials and more about our plugins on www.bleass.com

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

BLEASS Groovebox4 screens
Stravinski4 screens

Verdict

The call

The clearest difference is in-app purchases: Stravinski at none against BLEASS Groovebox's 1. Stravinski also leads on update cadence (every 5 days vs every 6 weeks) and review sentiment (86% vs 63%). BLEASS Groovebox's advantage is rating (4.2 vs 4.0). On price, 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

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

ReceptionRating · Positive reviews · Number of ratings

BLEASS Groovebox holds the better App Store score, 4.2 against 4.0. Both are backed by a comparable volume of ratings — 38 and 21 respectively. Written reviews complicate that: 63% of BLEASS Groovebox'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

BLEASS Groovebox ships an update every 6 weeks, Stravinski every 5 days. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

Scorecard5 real differences · 5 level
BLEASS Groovebox versus Stravinski: the parameters behind the verdict, then further details
ParameterBLEASS GrooveboxStravinski
PriceFreeFree
Rating4.2 (38 ratings) — better4.0 (21 ratings)
Positive reviews62.5% of reviews85.7% of reviews — better
Number of ratings38 — better21
Update frequencyEvery 6 weeksEvery 5 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better10.0
Further details — not scored
Size52 MB136 MB
Age rating4+4+
DeveloperBLEASSPer Loenicker

Customer experience

BLEASS Groovebox

All ratings38 ratings
Positive81.6%
Neutral5.3%
Negative13.2%
Written reviews40 reviews
Positive62.5%
Neutral22.5%
Negative15.0%

Stravinski

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

In-app purchases

1 purchases

BLEASS Groovebox

One-time1
  • Full Unlock$4.99
None

Stravinski

No in-app purchases

Questions

Is BLEASS Groovebox free?
BLEASS Groovebox 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, BLEASS Groovebox or Stravinski?
BLEASS Groovebox is rated higher. BLEASS Groovebox averages 4.2 out of 5 from 38 ratings, while Stravinski averages 4.0 from 21 ratings.
Do BLEASS Groovebox or Stravinski have ads?
Neither BLEASS Groovebox nor Stravinski shows ads.
Which is updated more often, BLEASS Groovebox or Stravinski?
BLEASS Groovebox ships an update every 6 weeks, and Stravinski every 5 days. Most recently, BLEASS Groovebox was updated on November 6, 2026 and Stravinski on November 2, 2026.

Other comparisons