# iAnalyzer vs TB Spectrogram

The clearest difference is in-app purchases: TB Spectrogram at none against iAnalyzer's 2. TB Spectrogram also leads on review sentiment (71% vs 41%) and update cadence (every 3 weeks vs every 5 months). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. iAnalyzer sells 2 in-app purchases, starting at $4.99 per month. 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 — 75 and 50 respectively. Written reviews point the same way: 41% of iAnalyzer's written reviews are positive against 71% of TB Spectrogram's.

iAnalyzer ships an update every 5 months, TB Spectrogram every 3 weeks. The most recent releases landed on September 28, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | iAnalyzer | TB Spectrogram |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (75 ratings)](https://appshunter.io/ios/app/ianalyzer/id335449113/reviews) | **[4.4 (50 ratings)](https://appshunter.io/ios/app/tb-spectrogram/id1530170842/reviews)** |
| Number of ratings | **75** | 50 |
| Positive reviews | 40.5% of reviews | **71.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 3 MB | 15 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [平 陈](https://appshunter.io/developer/315130423) | [ToneBoosters](https://appshunter.io/developer/1472446500) |

## What reviewers say

### iAnalyzer

[App page](https://appshunter.io/ios/app/ianalyzer/id335449113)

This professional audio analysis software uses FFT to examine sound signals on iOS devices. It offers real-time spectrum analysis, precise peak frequency computation, and a unique instrument tuner function. Ideal for musicians and sound engineers seeking detailed audio insights.

**Highlights:** Real-time FFT spectrum analysis, Octave and 1/3 Octave display, High precision peak frequency computation, Instrument tuner function, Adjustable playback speed, VGA output support, Waveform display

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| iAnalyzer Pro (1 Month) | $4.99 | per month |
| iAnalyzer Pro (1 Year) | $29.99 | per year |


### 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 iAnalyzer free?

iAnalyzer 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, iAnalyzer or TB Spectrogram?

TB Spectrogram is rated higher. iAnalyzer averages 4.2 out of 5 from 75 ratings, while TB Spectrogram averages 4.4 from 50 ratings.

### Do iAnalyzer or TB Spectrogram have ads?

Neither iAnalyzer nor TB Spectrogram shows ads.

### Which is updated more often, iAnalyzer or TB Spectrogram?

iAnalyzer ships an update every 5 months, and TB Spectrogram every 3 weeks. Most recently, iAnalyzer was updated on September 28, 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.*