# TB Spectrogram vs BLEASS Monolit

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.

Both are free to download. BLEASS Monolit sells 3 one-off in-app purchases. TB Spectrogram asks for nothing beyond the download.

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.

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.

## The numbers

| Metric | TB Spectrogram | BLEASS Monolit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (50 ratings)](https://appshunter.io/ios/app/tb-spectrogram/id1530170842/reviews) | **[4.7 (82 ratings)](https://appshunter.io/ios/app/bleass-monolit/id1589410030/reviews)** |
| Number of ratings | 50 | **82** |
| Positive reviews | 71.0% of reviews | **83.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 12 months |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 15 MB | 35 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | +4 |
| Developer | [ToneBoosters](https://appshunter.io/developer/1472446500) | [BLEASS](https://appshunter.io/developer/1220444177) |

## What reviewers say

### TB Spectrogram

[App page](https://appshunter.io/ios/app/tb-spectrogram/id1530170842)

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:** Vision Pro support

**In-app purchases:** none


### BLEASS Monolit

[App page](https://appshunter.io/ios/app/bleass-monolit/id1589410030)

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:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Abyssal Preset Pack | $3.99 | one-time |
| Leads Preset Pack | $3.99 | one-time |
| Basses Preset Pack | $3.99 | one-time |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*