# TB Spectrogram vs NA Tuner

The clearest difference is update cadence: TB Spectrogram at every 3 weeks against NA Tuner's every 17 months. TB Spectrogram also leads on iOS requirement (13.0 vs 15). NA Tuner's advantage is monetization model (ad-supported vs paid) and rating (4.7 vs 4.4). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

NA Tuner holds the better App Store score, 4.7 against 4.4. Both are backed by a comparable volume of ratings — 50 and 18 respectively. Written reviews complicate that: 71% of TB Spectrogram's written reviews are positive against 67% of NA Tuner's, so the app with the better star average is not the one people write more warmly about.

TB Spectrogram ships an update every 3 weeks, NA Tuner every 17 months. The most recent releases landed on October 6, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | TB Spectrogram | NA Tuner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (50 ratings)](https://appshunter.io/ios/app/tb-spectrogram/id1530170842/reviews) | **[4.7 (18 ratings)](https://appshunter.io/ios/app/na-tuner/id1613197835/reviews)** |
| Number of ratings | **50** | 18 |
| Positive reviews | **71.0% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 17 months |
| Monetization | Paid | **Ad-supported** |
| Size | 15 MB | 23 MB |
| Requires iOS | **13.0** | 15 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ToneBoosters](https://appshunter.io/developer/1472446500) | [Nembrini Audio](https://appshunter.io/developer/1493296895) |

## 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


### NA Tuner

[App page](https://appshunter.io/ios/app/na-tuner/id1613197835)

This music app offers fast and accurate chromatic tuning with a clear, full-color LED display. It supports various tuning standards, drop/capo modes, and provides ultra-precise ±0.01 cent accuracy for musicians on the go.

**Highlights:** Full color LED display, Accurate tuning anytime, anywhere, Calibration to any pitch standard, Drop/Capo mode with auto-transpose, Ultra-precise ±0.01 cent accuracy, Standalone app and AudioUnit v3 effect

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is TB Spectrogram free?

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

### Is NA Tuner free?

NA Tuner is free to download, with no in-app purchases.

### Which has better reviews, TB Spectrogram or NA Tuner?

NA Tuner is rated higher. TB Spectrogram averages 4.4 out of 5 from 50 ratings, while NA Tuner averages 4.7 from 18 ratings.

### Do TB Spectrogram or NA Tuner have ads?

Neither TB Spectrogram nor NA Tuner shows ads.

### Which is updated more often, TB Spectrogram or NA Tuner?

TB Spectrogram ships an update every 3 weeks, and NA Tuner every 17 months. Most recently, TB Spectrogram was updated on October 6, 2026 and NA Tuner on October 10, 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.*