Comparison

The Oscillator 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

The Oscillator

Generate tones and noise with adjustable lowpass filters and panning. Choose from sine, triangle, sawtooth, and square waveforms. Precisely tune frequencies in Hz or MIDI notes.

Highlights
  • Two oscillators
  • One noise generator
  • Individual lowpass filters
  • Panning control
  • Four waveforms (sine, triangle, sawtooth, square)
  • Precise frequency tuning (Hz/MIDI)
  • Audiobus and Inter-App Audio support
Features
Read full description

Simple and elegant tone generator with two Oscillators and one Noise generator, each with individual lowpass filters. The oscillators also has panning, and can produce one of four waveforms: sine, triangle, sawtooth and square. The oscillator frequencies can be tuned precisely in Hz or fractional MIDI note pitch. Use it for testing purposes or to make old-school electronic drone music. Supports Audiobus and Inter-App Audio: Stream the audio output in real time into other compatible apps!

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

The Oscillator4 screens
BLEASS Monolit3 screens

Verdict

The call

The clearest difference is in-app purchases: The Oscillator at none against BLEASS Monolit's 3. The Oscillator also leads on update cadence (every 5 months vs every 12 months) and iOS requirement (9.0 vs 12.0). BLEASS Monolit's advantage is rating (4.7 vs 4.3). On price, review sentiment, 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. BLEASS Monolit sells 3 one-off in-app purchases. The Oscillator asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

BLEASS Monolit holds the better App Store score, 4.7 against 4.3. Both are backed by a comparable volume of ratings — 58 and 83 respectively. Written reviews complicate that: 85% of The Oscillator's written reviews are positive against 83% of BLEASS Monolit's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

The Oscillator ships an update every 5 months, BLEASS Monolit every 12 months. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

Scorecard5 real differences · 5 level
The Oscillator versus BLEASS Monolit: the parameters behind the verdict, then further details
ParameterThe OscillatorBLEASS Monolit
PriceFreeFree
Rating4.3 (58 ratings)4.7 (83 ratings) — better
Positive reviews84.8% of reviews — better83.3% of reviews
Number of ratings5883 — better
Update frequencyEvery 5 months — betterEvery 12 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better12.0
Further details — not scored
Size4 MB35 MB
Age rating4++4
DeveloperKymatica ABBLEASS

Customer experience

The Oscillator

All ratings58 ratings
Positive86.2%
Neutral3.4%
Negative10.3%
Written reviews79 reviews
Positive84.8%
Neutral5.1%
Negative10.1%

BLEASS Monolit

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

Bugs and requests

The Oscillator

Reported bugs

7 issues
  • Stopped working properly
  • Only noise comes out
  • Output levels wildly different
  • New version is not working
  • Can't play one osc without the other
Show 2 more
  • Doesn't support Bluetooth
  • Button labels are confusing (ON/OFF)

Requested features

18 requests
  • More functions (e.g., shorten waves, good bass)
  • Multiple layers for simultaneous playback
  • AUV3 support
  • Run in background and mix with audio
  • Four oscillators simultaneously
Show 13 more
  • Sweep function
  • LFO section for modulation
  • Pulse width control
  • Keyboard interface for chords
  • Filter
  • Third oscillator
  • Way to save setups
  • Other color noises (pink noise)
  • Higher frequencies
  • Direct frequency input via keyboard
  • Panning controls on tone generators
  • Presets for setups
  • JACK support

BLEASS Monolit

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

The Oscillator

No in-app purchases

3 purchases

BLEASS Monolit

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

Questions

Is The Oscillator free?
The Oscillator is free to download, with no in-app purchases.
Is BLEASS Monolit free?
BLEASS Monolit is free to download, with in-app purchases available.
Which has better reviews, The Oscillator or BLEASS Monolit?
BLEASS Monolit is rated higher. The Oscillator averages 4.3 out of 5 from 58 ratings, while BLEASS Monolit averages 4.7 from 83 ratings.
Do The Oscillator or BLEASS Monolit have ads?
Neither The Oscillator nor BLEASS Monolit shows ads.
Which is updated more often, The Oscillator or BLEASS Monolit?
The Oscillator ships an update every 5 months, and BLEASS Monolit every 12 months. Most recently, The Oscillator was updated on October 21, 2026 and BLEASS Monolit on October 24, 2026.

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