Comparison

TB Spectrogram 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

TB Spectrogram

This app provides real-time audio analysis with a spectrogram, spectrum analyzer, and goniometer. It can be used as a standalone application or as an AUv3 plugin within compatible music production hosts. Visualize your audio in detail with adjustable settings and multiple display options.

Highlights
  • Real-time spectrogram and spectrum analysis
  • Goniometer for stereo signal analysis
  • AUv3 plugin compatibility
  • Adjustable frequency and time resolution
  • Customizable color themes
  • On-screen piano keyboard mapping
Features
Read full description

ToneBoosters Spectrogram shows a real-time spectrogram, spectrum, and goniometer AUv3 plugin! We have taken the stunning visual spectrum analyzer features from our latest and greatest Equalizer Pro plugin and released it as a separate app / AUv3 plugin! The ToneBoosters Spectrogram app captures the microphone input and processes the signals in real time. To use it as a plug-in, use an AUv3-compatible host app such as Steinberg Cubasis, Apple Garageband, Audio Evolution Mobile Studio, Auria, AUM, or others. ToneBoosters Spectrogram will appear in the list of Audio Unit extensions for effect plug-ins. Key features: - Fully resizable (as AUv3 plugin) - Color themes for the user interface - Max screen support in Garageband - Adjustable color themes for UI and for spectrogram independently - Adjustable dynamic range - Adjustable frequency resolution - Adjustable time resolution - Adjustable spectral slope - Spectrogram AGC and dimming support - Show spectrogram and spectrum analyzer as overlay or individually - Spectrum analyzer also supports peak hold - Split-band goniometer for stereo signal analysis (correlation, left/right balance in one or two bands!) - On-screen piano keyboard to map spectrum analyzer to piano notes - Optimised for iPad and compatible with iPhone and iPod Touch What you should know: - Licenses acquired for this platform are not compatible with other platforms. - Audio Unit (AUv3) extensions require an iPad mini 2, iPad 4 or later models.

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

TB Spectrogram2 screens
BLEASS Monolit3 screens

Verdict

The call

The clearest difference is in-app purchases: TB Spectrogram at none against BLEASS Monolit's 3. TB Spectrogram also leads on update cadence (every 3 weeks vs every 12 months). BLEASS Monolit's advantage is rating (4.7 vs 4.4) and review sentiment (83% vs 71%). 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 Monolit sells 3 one-off in-app purchases. TB Spectrogram asks for nothing beyond the download.

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 — 50 and 82 respectively. Written reviews point the same way: 71% of TB Spectrogram's written reviews are positive against 83% of BLEASS Monolit's.

UpkeepUpdate frequency

TB Spectrogram ships an update every 3 weeks, BLEASS Monolit every 12 months. The most recent releases landed on September 27, 2026 and September 29, 2026 respectively.

Scorecard5 real differences · 5 level
TB Spectrogram versus BLEASS Monolit: the parameters behind the verdict, then further details
ParameterTB SpectrogramBLEASS Monolit
PriceFreeFree
Rating4.4 (50 ratings)4.7 (82 ratings) — better
Positive reviews71.0% of reviews83.3% of reviews — better
Number of ratings5082 — better
Update frequencyEvery 3 weeks — betterEvery 12 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.012.0 — better
Further details — not scored
Size15 MB35 MB
Age rating4++4
DeveloperToneBoostersBLEASS

Customer experience

TB Spectrogram

All ratings50 ratings
Positive86.0%
Neutral2.0%
Negative12.0%
Written reviews31 reviews
Positive71.0%
Neutral6.5%
Negative22.6%

BLEASS Monolit

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

In-app purchases

None

TB Spectrogram

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 TB Spectrogram free?
TB Spectrogram 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, TB Spectrogram or BLEASS Monolit?
BLEASS Monolit is rated higher. TB Spectrogram averages 4.4 out of 5 from 50 ratings, while BLEASS Monolit averages 4.7 from 82 ratings.
Do TB Spectrogram or BLEASS Monolit have ads?
Neither TB Spectrogram nor BLEASS Monolit shows ads.
Which is updated more often, TB Spectrogram or BLEASS Monolit?
TB Spectrogram ships an update every 3 weeks, and BLEASS Monolit every 12 months. Most recently, TB Spectrogram was updated on September 27, 2026 and BLEASS Monolit on September 29, 2026.

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