Comparison

SynthMaster Player vs BLEASS Monolit

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

Head to head
About

SynthMaster Player

This mobile synthesizer app provides a vast library of sounds for music production. It allows users to play presets, make limited edits, and access additional sound banks through in-app purchases. It integrates with other music apps and offers a built-in keyboard for immediate playability.

Highlights
  • Preset-based sound library
  • Limited parameter editing
  • XY pads for modulation
  • AUv3 and InterApp Audio support
  • Audiobus integration
  • Built-in keyboard with pitch/mod wheels
  • Scales functionality
Read full description

SynthMaster Player for iOS received "2016 Editor's Choice Award" from Electronic Musician Magazine! SynthMaster desktop version is voted as "The Best VST/AU Synth Plugin" by MusicRadar readers and also received "Gear of the Year" award from MusicTech Magazine for "Best Software Instrument" category. SynthMaster has received very positive reviews from acclaimed music technology magazines: "SynthMaster: The most powerful softsynth you may not have heard of" Keyboard Magazine "If ever there was a desert island synth, SynthMaster is it, covering all sonic bases with authority and a superb tone" Computer Music Magazine "Many developers say that they've produced the one and only synth you'll ever need, but we've always felt that was a dubious claim. In SynthMaster’s case, though, it’s one that rings true" MusicRadar INTRODUCTION SynthMaster Player for iOS is the MOBILE PLAYER VERSION of the award winning SynthMaster software synthesizer. It is targeted towards users who prefer to use presets rather than designing their own sounds during music production. Although it is a preset based player, users can edit the following preset parameters: 1) 8 easy parameters assigned by the sound designer 2) 2 XY Pads assigned by the sound designer 3) Effect bypass states and send amounts 4) Layer bypass states and volumes 5) Master volume, polyphony The free app comes with 100 factory presets. When users complete registration by entering their names and email addresses they receive another 100 factory presets as a bonus! After completing registration, users can upgrade to the Pro version of the app by purchasing the "Factory Presets" bank via In-App-Purchase (IAP). With the Pro Upgrade all of the 800 factory presets are loaded and also the following features are unlocked: 1. Users can save the changes they have made to the presets. 2. Users can purchase additional preset banks via In-App-Purchase (IAP). We currently have 28 additional preset banks that contain 1750 presets for various genres/styles. 3. Existing SynthMaster users can download their previously purchased SynthMaster preset banks inside the app, so that they don't have to purchase them again. 4. Existing SynthMaster users can export their own presets in SynthMaster v2.x and import them into SynthMaster Player for iPad using iTunes. AUv3 SynthMaster Player for iOS supports AUv3, you can add multiple instrument instances to your tracks. INTERAPP AUDIO SynthMaster Player for iOS acts as an source/instrument in InterApp Audio. We demonstrate in our user manual how to connect it to InterApp enabled DAW apps. AUDIOBUS SynthMaster Player for iOS acts as a source/instrument in AudioBus, with state saving enabled. We demonstrate in our user manual how to connect it to AudioBus enabled DAW apps. BUILT-IN KEYBOARD The built-in 2 octave keyboard with pitch and modulation wheels lets users play notes without having to connect an external MIDI controller to their iPad. With its Scale functionality, it shows the users the notes on the scale, and with its Chord functionality the user can play a certain chord by pressing a single note. MIDI SETTINGS SynthMaster Player for iOS supports CoreMIDI and also virtual MIDI. It acts as a virtual MIDI destination for other DAW apps. Midi input device, midi input channel, and receive midi beat clock settings can be adjusted from the MIDI Settings window. SYSTEM REQUIREMENTS Minimum Operating System Supported: iOS 9 Minimum Hardware Supported: iPad4, iPhone 5 and above Recommended Hardware: iPad Air and above, iPhone6 and above

About

BLEASS Monolit

This app offers a powerful yet intuitive mono-synthesizer for creating a wide range of sounds, from deep basses to sparkling arpeggios. It features a user-friendly interface with tactile controls and a randomizer for sonic inspiration, along with factory presets and purchasable sound packs.

Highlights
  • Intuitive mono-synthesizer
  • Analogue sound engine
  • User-friendly interface
  • Random sound generator
  • Factory presets
  • Additional sound packs
Features
Read full description

BLEASS Monolit combines the warm analogue character of BLEASS Alpha with the expressive sound design capabilities of BLEASS Omega. The result is a powerful and efficient mono synthesizer designed for basses, leads, arpeggios, sound effects, and electronic textures. Monolit delivers rich sound while maintaining very low CPU usage, allowing smooth performance even with multiple instances. Its streamlined interface makes sound design fast and intuitive, with responsive controls that feel precise and immediate on touch devices. For instant inspiration, the Dice button generates new synth patches using a musical randomization engine designed to produce usable and unique results. A wide library of factory presets is included, covering basses, leads, sequences, effects, and more, with additional sound packs available separately. Whether you are producing electronic music, designing cinematic soundscapes, or exploring experimental synthesis, Monolit provides a fast and accessible workflow with deep creative potential. Also available for Desktop in AU, VST3, and AAX formats. Learn more at bleass.com/monolit

Screenshots

SynthMaster Player3 screens
BLEASS Monolit3 screens

Verdict

The call

The clearest difference is review sentiment: BLEASS Monolit at 83% against SynthMaster Player's 52%. BLEASS Monolit also leads on rating (4.7 vs 4.4). SynthMaster Player's advantage is update cadence (every 3 months vs every 12 months). On price, ratings volume, ads and in-app purchases 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. SynthMaster Player sells 13 one-off in-app purchases and BLEASS Monolit sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

BLEASS Monolit holds the better App Store score, 4.7 against 4.4. Both are backed by a comparable volume of ratings — 55 and 82 respectively. Written reviews point the same way: 52% of SynthMaster Player's written reviews are positive against 83% of BLEASS Monolit's.

UpkeepUpdate frequency

SynthMaster Player ships an update every 3 months, BLEASS Monolit every 12 months. The most recent releases landed on September 24, 2026 and September 25, 2026 respectively.

Scorecard3 real differences · 7 level
SynthMaster Player versus BLEASS Monolit: the parameters behind the verdict, then further details
ParameterSynthMaster PlayerBLEASS Monolit
PriceFreeFree
Rating4.4 (55 ratings)4.7 (82 ratings) — better
Positive reviews52.1% of reviews83.3% of reviews — better
Number of ratings5582 — better
Update frequencyEvery 3 months — betterEvery 12 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better12.0
Further details — not scored
Size308 MB35 MB
Age rating4++4
DeveloperKV331 AudioBLEASS

Customer experience

SynthMaster Player

All ratings55 ratings
Positive85.5%
Neutral5.5%
Negative9.1%
Written reviews261 reviews
Positive52.1%
Neutral16.1%
Negative31.8%

BLEASS Monolit

All ratings82 ratings
Positive95.1%
Neutral0.0%
Negative4.9%
Written reviews30 reviews
Positive83.3%
Neutral0.0%
Negative16.7%

Bugs and requests

SynthMaster Player

Reported bugs

5 issues
  • Crashes on startup
  • Purchased presets not loading
  • Stuck notes
  • Incompatibility with newer iOS versions
  • Audiobus and IAA issues

Requested features

6 requests
  • Ability to edit and create own sounds
  • Improved preset management
  • Better integration with DAWs and Audiobus
  • Background playback support
  • Larger on-screen keyboard
Show 1 more
  • More customization options

BLEASS Monolit

Not enough reviews yet to summarise bugs or requests.

In-app purchases

13 purchases

SynthMaster Player

One-time13
  • Historical Synth Giants Vol 1$1.99
  • BigTone Signature Sounds Vol1$4.99
  • MK Expansion 2$4.99
Show 10 more
  • Nori Ubukata Art Rock Basics$4.99
  • Sounds of the World$4.99
  • Factory Presets (PRO Upgrade)$4.99
  • SynthMaster 2.7 presets$4.99
  • SynthMaster 2.8 Presets$4.99
  • Extra Factory Presets Bundle$9.99
  • SynthMaster EDM Bundle 1$13.99
  • Dawn Of Electronic Bundle$13.99
  • Synth Giants Bundle$13.99
  • Rob Lee EDM Bundle$19.99
3 purchases

BLEASS Monolit

One-time3
  • Abyssal Preset Pack$3.99
  • Leads Preset Pack$3.99
  • Basses Preset Pack$3.99

Questions

Is SynthMaster Player free?
SynthMaster Player is free to download, with in-app purchases available.
Is BLEASS Monolit free?
BLEASS Monolit is free to download, with in-app purchases available.
Which has better reviews, SynthMaster Player or BLEASS Monolit?
BLEASS Monolit is rated higher. SynthMaster Player averages 4.4 out of 5 from 55 ratings, while BLEASS Monolit averages 4.7 from 82 ratings.
Do SynthMaster Player or BLEASS Monolit have ads?
Neither SynthMaster Player nor BLEASS Monolit shows ads.
Which is updated more often, SynthMaster Player or BLEASS Monolit?
SynthMaster Player ships an update every 3 months, and BLEASS Monolit every 12 months. Most recently, SynthMaster Player was updated on September 24, 2026 and BLEASS Monolit on September 25, 2026.

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