# TB Spectrogram vs Youlean Loudness Meter Lite

The clearest difference is rating: TB Spectrogram at 4.4 against Youlean Loudness Meter Lite's 3.8. TB Spectrogram also leads on in-app purchases (none vs 3) and review sentiment (71% vs 47%). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Youlean Loudness Meter Lite sells 3 in-app purchases, starting at $9.99 per year. TB Spectrogram asks for nothing beyond the download.

TB Spectrogram holds the better App Store score, 4.4 against 3.8. Both are backed by a comparable volume of ratings — 50 and 20 respectively. Written reviews point the same way: 71% of TB Spectrogram's written reviews are positive against 47% of Youlean Loudness Meter Lite's.

TB Spectrogram ships an update every 3 weeks, Youlean Loudness Meter Lite every 6 weeks. The most recent releases landed on September 14, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | TB Spectrogram | Youlean Loudness Meter Lite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (50 ratings)](https://appshunter.io/ios/app/tb-spectrogram/id1530170842/reviews)** | [3.8 (20 ratings)](https://appshunter.io/ios/app/youlean-loudness-meter-lite/id1565571860/reviews) |
| Number of ratings | **50** | 20 |
| Positive reviews | **71.0% of reviews** | 47.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | Paid | **Freemium** |
| Size | 15 MB | 4 MB |
| Requires iOS | **13.0** | 16 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ToneBoosters](https://appshunter.io/developer/1472446500) | [Julijan Nikolic](https://appshunter.io/developer/1565571862) |

## 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


### Youlean Loudness Meter Lite

[App page](https://appshunter.io/ios/app/youlean-loudness-meter-lite/id1565571860)

This app provides professional audio analysis tools, including LUFS, True Peak, Spectrum, and Vectorscope. It can be used as a standalone application or as an AUv3 plugin within other music production apps. Analyze audio from your device or stream it wirelessly from a desktop DAW.

**Highlights:** LUFS and True Peak analysis, Spectrum and Vectorscope graphs, Standalone app and AUv3 plugin, Wi-Fi audio streaming from desktop DAW, Record and export audio, Online streaming presets

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly Subscription | $9.99 | per year |
| Lifetime Access | $17.99 | one-time |
| Lifetime Access Original | $29.99 | one-time |


## Frequently asked questions

### Is TB Spectrogram free?

TB Spectrogram is free to download, with no in-app purchases.

### Is Youlean Loudness Meter Lite free?

Youlean Loudness Meter Lite is free to download, with in-app purchases available.

### Which has better reviews, TB Spectrogram or Youlean Loudness Meter Lite?

TB Spectrogram is rated higher. TB Spectrogram averages 4.4 out of 5 from 50 ratings, while Youlean Loudness Meter Lite averages 3.8 from 20 ratings.

### Do TB Spectrogram or Youlean Loudness Meter Lite have ads?

Neither TB Spectrogram nor Youlean Loudness Meter Lite shows ads.

### Which is updated more often, TB Spectrogram or Youlean Loudness Meter Lite?

TB Spectrogram ships an update every 3 weeks, and Youlean Loudness Meter Lite every 6 weeks. Most recently, TB Spectrogram was updated on September 14, 2026 and Youlean Loudness Meter Lite 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.*