Comparison

SynthScaper vs BLEASS Alpha Synthesizer

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

Head to head
About

SynthScaper

Create unique ambient soundscapes with a powerful synthesizer. Experiment with multi-layered oscillators, filters, and effects to generate everything from melodic instruments to abstract noises. Features a neural network for generating new presets and extensive MIDI/screen keyboard control.

Highlights
  • Multi-layered oscillators
  • Chains of filters and effects
  • Envelope generators and LFOs
  • Designer tool for preset generation
  • Flexible screen and MIDI keyboard control
  • Inter-App Audio and Audiobus 3 support
Features
Read full description

Synthesizer specially designed for creating and experiments with ambient soundscapes in wide range from noises to melodic instruments and everything in between. The sound engine of SynthScaper has its own unique sounding differ from any other software synths. You can construct outstanding melodic pads or atonal soundscapes from different kind of built-in or downloaded samples by using all power of multi-layered oscillators, chains of filters and effects, envelope generators and low frequency oscillators. Or you can create your own sound scenes combining oscillators presets from build-in library. Or just use predefined scenes. Very flexible settings of each module give you a great opportunity for creating unique and colorful sounding from usual instruments or natural samples and adding automated changes and spatial effects for an endless variations. Different ways of assigning screen and MIDI keyboards to the oscillators provide very advanced features to control the sound. The on-screen keyboard is adapted to create special effects and varying the continuous textures and drones. The Designer tool uses the neural network to generates new presets based on already existing by adding some random variations and checking the result so that the new preset remains similar to the selected pattern. Key features: - Three independent oscillators. - Three layers for each oscillator. - Six voices for each layer. - Six envelope generators. - Six low frequency oscillators. - Arpeggiator / sequencer for each oscillator. - Designer tool for generate scenes and presets. - General processing of level, balance, LPF, HPF for each layer. - Three slots for filters and effects after each oscillator. - Twenty additional selectable filters and effects. - Spatial mixer with two different sound space. - Screen keyboard adapted for continuous textures and soundscapes. - Predefined set of keyboard scales and custom scales. - Full screen, double and split features for screen keyboard. - Options of screen keyboard for pitch, continuous, modify, velocity. - Supports for two virtual and two MIDI keyboards at the same time. - Flexible assigning keyboards and controls to the oscillators. - Two main effects controls can combine several parameters. - Uploading samples thru Dropbox, Web access, clipboard. - Auto and manual tuning of samples with frequency analyzer. - Set of predefined and ready-to-use scenes and presets. - Built-in library of samples of instruments, synths, noises, etc. - Possibility to pack and share scenes and samples as single file. - Supports loop points and note info in WAV files. - Detailed application description (built-in and PDF file). - Inter-App audio compatible (with transport and BPM controls). - Supports Audiobus 3 with "State Saving" and MIDI features. - Supports Ableton Link with start / stop sync. Requirements: Recommended at least iPhone 6 / iPad Mini 4 / iPad Air 2 and higher. You can find more details about SynthScaper on the website: http://motion-soundscape.blogspot.com Overview and demo video: Preview - http://youtu.be/qqeWdFVfBCg Preview - http://youtu.be/vyKX0ZfJ_n8 Sound design demo - http://youtu.be/oqCz7ALNhOM Presets demo - http://youtu.be/-pflmiFtHnc Presets demo - http://youtu.be/InWOcfHS6rA

About

BLEASS Alpha Synthesizer

This versatile polyphonic synthesizer offers a virtual analog sound engine inspired by classic hardware. It provides intuitive sound design tools, efficient CPU usage, and a unique motion sequencer for expressive modulation. Explore a vast library of presets and create unique sounds for your music.

Highlights
  • Virtual analog polyphonic stereo synthesizer
  • Intuitive sound design interface
  • CPU efficient for live performance
  • Unique motion sequencer
  • Built-in arpeggiator
  • Over 200 factory presets
  • Audio Unit V3 compatible
Read full description

BLEASS Alpha Synthesizer is a versatile virtual analogue polyphonic synthesizer built for immediate, hands-on sound design. Its three oscillators combine variable waveshapes and pulse widths with unison, hard sync, cross modulation and ring modulation, while dual variable-state filters with drive add further colour and character. The streamlined interface follows the natural signal path, keeping powerful synthesis controls accessible at a glance. Bring sounds to life with three ADSR envelopes, two multi-waveform LFOs and extensive modulation possibilities, while the Motion Sequencer adds rhythmic and expressive movement that can work hand in hand with the built-in arpeggiator. MPE support extends the performance possibilities, and BLEASS' efficient audio engine keeps the experience smooth and responsive on mobile devices. A complete built-in effects section includes Overdrive, Bitcrusher, Tremolo, filtered ping-pong Delay and Reverb, adding everything from subtle movement to more radical processing directly within the synth. More than 200 factory presets provide ready-to-play sounds and starting points for your own creations. BLEASS Alpha Synthesizer can be used as a standalone app or AUv3 instrument on iPhone and iPad. Also available for Windows and macOS. More information and technical specifications available on: https://www.bleass.com/alpha/

Screenshots

SynthScaper4 screens
BLEASS Alpha Synthesizer4 screens

Verdict

The call

The clearest difference is in-app purchases: SynthScaper at none against BLEASS Alpha Synthesizer's 10. SynthScaper also leads on iOS requirement (10.0 vs 15.0). BLEASS Alpha Synthesizer's advantage is rating (4.9 vs 4.6). On price, review sentiment, ratings volume and update cadence 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

SynthScaper costs $14.99 and BLEASS Alpha Synthesizer $14.99 up front. BLEASS Alpha Synthesizer sells 10 one-off in-app purchases. SynthScaper asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

BLEASS Alpha Synthesizer holds the better App Store score, 4.9 against 4.6. Both are backed by a comparable volume of ratings — 72 and 109 respectively. Written reviews split almost evenly too, at 87% and 86% positive.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. Both last shipped on October 26, 2026.

Scorecard4 real differences · 6 level
SynthScaper versus BLEASS Alpha Synthesizer: the parameters behind the verdict, then further details
ParameterSynthScaperBLEASS Alpha Synthesizer
Price$14.99$14.99
Rating4.6 (72 ratings)4.9 (109 ratings) — better
Positive reviews86.8% of reviews — better86.1% of reviews
Number of ratings72109 — better
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS10.0 — better15.0
Further details — not scored
Size68 MB38 MB
Age rating4++4
DeveloperIgor VasilievBLEASS

Customer experience

SynthScaper

All ratings71 ratings
Positive91.5%
Neutral2.8%
Negative5.6%
Written reviews68 reviews
Positive86.8%
Neutral4.4%
Negative8.8%

BLEASS Alpha Synthesizer

All ratings108 ratings
Positive97.2%
Neutral1.9%
Negative0.9%
Written reviews36 reviews
Positive86.1%
Neutral11.1%
Negative2.8%

Bugs and requests

SynthScaper

Reported bugs

5 issues
  • Crashing issue (resolved)
  • Laggy response to key touch
  • App doesn't stop in background
  • Clipping and digital distortion on iPad Pro
  • Modal dialogue boxes require multiple dives

Requested features

14 requests
  • AUv3 compatibility
  • Audio Unit support
  • Update or new version
  • MPE keyboard support
  • Export files to lite version
Show 9 more
  • UI color palette customization
  • Loop start/end point management
  • Pitch modulation (added in update)
  • More lighter sounds/textures
  • Ableton Link support
  • Extendable keyboard for performance
  • Spatial controller under voltage control
  • Recorder for manual movement
  • Easier interface

BLEASS Alpha Synthesizer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

SynthScaper

No in-app purchases

10 purchases

BLEASS Alpha Synthesizer

One-time10
  • Sound Of Izrael Preset Pack$2.99
  • Red Sky Lullaby Preset Pack$2.99
  • MPE Preset Pack #1$3.99
Show 7 more
  • Lily Jordy Preset Pack$3.99
  • The GarageBand Guide Pack$3.99
  • Hoops Collection #1$3.99
  • Yawdel Preset Pack$3.99
  • Funk Preset Pack$3.99
  • Torley Preset Pack$4.99
  • The Sound Test Room Pack$4.99

Questions

Is SynthScaper free?
SynthScaper costs $14.99, with no in-app purchases.
Is BLEASS Alpha Synthesizer free?
BLEASS Alpha Synthesizer costs $14.99, and also offers in-app purchases.
Which has better reviews, SynthScaper or BLEASS Alpha Synthesizer?
BLEASS Alpha Synthesizer is rated higher. SynthScaper averages 4.6 out of 5 from 72 ratings, while BLEASS Alpha Synthesizer averages 4.9 from 109 ratings.
Do SynthScaper or BLEASS Alpha Synthesizer have ads?
Neither SynthScaper nor BLEASS Alpha Synthesizer shows ads.
Which is updated more often, SynthScaper or BLEASS Alpha Synthesizer?
SynthScaper ships an update every 2 months, and BLEASS Alpha Synthesizer every 2 months. Most recently, SynthScaper was updated on October 26, 2026 and BLEASS Alpha Synthesizer on October 26, 2026.

Other comparisons