# TB GonioMeter vs Zen AutoPan

The clearest difference is update cadence: TB GonioMeter at every 2 months against Zen AutoPan's every 13 months. TB GonioMeter also leads on review sentiment (100% vs 80%) and iOS requirement (13.0 vs 15.0). On price, rating, 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.

On the App Store both sit at effectively the same score — 4.6 for TB GonioMeter against 4.7 for Zen AutoPan. Both are backed by a comparable volume of ratings — 22 and 15 respectively. Written reviews are what separate them: 100% of TB GonioMeter's written reviews are positive against 80% of Zen AutoPan's.

TB GonioMeter ships an update every 2 months, Zen AutoPan every 13 months. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | TB GonioMeter | Zen AutoPan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (22 ratings)](https://appshunter.io/ios/app/tb-goniometer/id6444903624/reviews) | **[4.7 (15 ratings)](https://appshunter.io/ios/app/zen-autopan/id6478596185/reviews)** |
| Number of ratings | **22** | 15 |
| Positive reviews | **100.0% of reviews** | 80.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 13 months |
| Monetization | Free | Free |
| Size | 11 MB | 15 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ToneBoosters](https://appshunter.io/developer/1472446500) | [Tom Power](https://appshunter.io/developer/1629402664) |

## What reviewers say

### TB GonioMeter

[App page](https://appshunter.io/ios/app/tb-goniometer/id6444903624)

Analyze stereo image imbalances and frequency correlations in real-time. Ensure your audio content is high quality and compatible with mono down-mixes, crucial for mobile entertainment. This tool offers detailed waveform inspection and balance spectrum analysis.

**Highlights:** Real-time goniometer for stereo image waveforms, Real-time correlation meter and spectrum, Real-time stereo balance and spectrum meter, Color themes for UI, Mono down-mix compatibility check, Optimized for iPad, compatible with iPhone/iPod Touch

**In-app purchases:** none


### Zen AutoPan

[App page](https://appshunter.io/ios/app/zen-autopan/id6478596185)

This AUv3 stereo movement tool offers dynamic panning effects for music production and sound design. Sculpt your audio with multiple LFO shapes and an intuitive XY pad for real-time creative control. Seamlessly integrate with compatible DAWs on iOS devices.

**Highlights:** Multiple LFO Shapes, Intuitive XY Pad, Adjustable Stereo Width, AUv3 Compatibility, Optimized for iOS, 3D Visuals

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TB GonioMeter free?

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

### Is Zen AutoPan free?

Zen AutoPan is free to download, with no in-app purchases.

### Which has better reviews, TB GonioMeter or Zen AutoPan?

Zen AutoPan is rated higher. TB GonioMeter averages 4.6 out of 5 from 22 ratings, while Zen AutoPan averages 4.7 from 15 ratings.

### Do TB GonioMeter or Zen AutoPan have ads?

Neither TB GonioMeter nor Zen AutoPan shows ads.

### Which is updated more often, TB GonioMeter or Zen AutoPan?

TB GonioMeter ships an update every 2 months, and Zen AutoPan every 13 months. Most recently, TB GonioMeter was updated on October 24, 2026 and Zen AutoPan on October 21, 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.*