# Spectrum Analyzer vs TB Spectrogram

The clearest difference is review sentiment: TB Spectrogram at 71% against Spectrum Analyzer's 5%. TB Spectrogram also leads on in-app purchases (none vs 13) and ads (none vs shown). Spectrum Analyzer's advantage is ratings volume (197 vs 50). On price, update cadence and device support there is nothing between them.

Both are free to download. Spectrum Analyzer sells 13 in-app purchases, starting at $4.99 per 7 days. TB Spectrogram asks for nothing beyond the download.

TB Spectrogram holds the better App Store score, 4.4 against 4.2. Both are backed by a comparable volume of ratings — 197 and 50 respectively. Written reviews point the same way: 5% of Spectrum Analyzer's written reviews are positive against 71% of TB Spectrogram's.

Spectrum Analyzer ships an update fortnightly, TB Spectrogram every 3 weeks. The most recent releases landed on September 24, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Spectrum Analyzer | TB Spectrogram |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (197 ratings)](https://appshunter.io/ios/app/spectrum-analyzer-spectrogram/id981810895/reviews) | **[4.4 (50 ratings)](https://appshunter.io/ios/app/tb-spectrogram/id1530170842/reviews)** |
| Number of ratings | **197** | 50 |
| Positive reviews | 5.0% of reviews | **71.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | **Freemium** | Paid |
| Size | 132 MB | 15 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Music Breath](https://appshunter.io/developer/1140008995) | [ToneBoosters](https://appshunter.io/developer/1472446500) |

## What reviewers say

### Spectrum Analyzer

[App page](https://appshunter.io/ios/app/spectrum-analyzer-spectrogram/id981810895)

Visualize audio frequencies with real-time analysis. Features include a sound level meter, multichannel harmonic analysis, and adjustable graphical representations. Gain insights into your sound environment with advanced tools.

**Highlights:** Sound level meter, Multichannel harmonic analysis, Adjustable graphics, AI-powered sound source analyzer, Real-time analysis, FFT analysis

**Features:** macOS Compatibility

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pitch Finder: Audio Visualizer | $4.99 | per 7 days |
| Pitch Finder: Audio Visualizer | $9.99 | per month |
| One Month Sale | $9.99 | per month |
| 1 Week Subscription | $9.99 | per 7 days |
| 1 Year Sub. with discount | $19.99 | per year |
| 1 Month Subscription | $19.99 | per month |
| 3 Month Subscription | $25.99 | per 3 months |
| 1 Year Subscription | $39.99 | per year |
| 2 months subscription | $39.99 | per 2 months |
| No Ads | $9.99 | one-time |
| Additional Settings Controls | $15.99 | one-time |
| Full Pack + No Ads | $19.99 | one-time |
| Get More | $19.99 | one-time |

**What reviewers like**

- ✅ Accurate frequency identification
- ✅ Clear and easy-to-read display
- ✅ Useful noise floor setup feature
- ✅ Works well when ads are removed

**What reviewers complain about**

- 💰 Extremely aggressive monetization strategy
- 📢 Excessive and intrusive ads
- 🔊 Loud ads that ignore device mute settings
- 🚫 Requires subscription/payment to access core features
- 😤 Deceptive purchase practices and accidental charges

**Reported bugs**

- App becomes unusable after iOS 16 update
- Crashes immediately on iPhone 5 with iOS 7
- Cannot exit app on iPhone X without reboot
- App freezes when changing settings or views
- Inaccurate frequency readings

**Requested features**

- Audio file import functionality
- Customizable background colors for chroma key compatibility
- Ability to record audio instead of only analyzing
- Better documentation and help files
- Improved sensitivity for detecting soft sounds


### 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


## Frequently asked questions

### Is Spectrum Analyzer free?

Spectrum Analyzer is free to download, with in-app purchases available.

### Is TB Spectrogram free?

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

### Which has better reviews, Spectrum Analyzer or TB Spectrogram?

TB Spectrogram is rated higher. Spectrum Analyzer averages 4.2 out of 5 from 197 ratings, while TB Spectrogram averages 4.4 from 50 ratings.

### Do Spectrum Analyzer or TB Spectrogram have ads?

Spectrum Analyzer shows ads; TB Spectrogram does not.

### Which is updated more often, Spectrum Analyzer or TB Spectrogram?

Spectrum Analyzer ships an update fortnightly, and TB Spectrogram every 3 weeks. Most recently, Spectrum Analyzer was updated on September 24, 2026 and TB Spectrogram on September 14, 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.*