# DubFilter vs TB GonioMeter

The clearest difference is in-app purchases: TB GonioMeter at none against DubFilter's 1. TB GonioMeter also leads on review sentiment (100% vs 73%) and update cadence (every 2 months vs every 6 months). DubFilter's advantage is ratings volume (71 vs 23). On price, rating, ads and device support there is nothing between them.

Both are free to download. DubFilter sells 1 one-off in-app purchase. TB GonioMeter asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for DubFilter against 4.6 for TB GonioMeter. Both are backed by a comparable volume of ratings — 71 and 23 respectively. Written reviews are what separate them: 73% of DubFilter's written reviews are positive against 100% of TB GonioMeter's.

DubFilter ships an update every 6 months, TB GonioMeter every 2 months. The most recent releases landed on October 7, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | DubFilter | TB GonioMeter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (71 ratings)](https://appshunter.io/ios/app/dubfilter/id979648058/reviews)** | [4.6 (23 ratings)](https://appshunter.io/ios/app/tb-goniometer/id6444903624/reviews) |
| Number of ratings | **71** | 23 |
| Positive reviews | 73.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 12 MB | 11 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Amazing Noises](https://appshunter.io/developer/903336421) | [ToneBoosters](https://appshunter.io/developer/1472446500) |

## What reviewers say

### DubFilter

[App page](https://appshunter.io/ios/app/dubfilter/id979648058)

This app provides a powerful dual filter with resonance and an exclusive overlap parameter. It also features a redesigned stereo sample player with LFO and scrubbing, along with extensive MIDI and file management capabilities.

**Highlights:** Dual low-pass/high-pass filter, Resonance and Overlap parameter, Stereo sample player with LFO, Scrubbing capabilities, Audiobus and Inter-App Audio support, MIDI control and file management, Preset morphing pad

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Audio Unit Plugin Support | $1.99 | one-time |


### 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


## Frequently asked questions

### Is DubFilter free?

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

### Is TB GonioMeter free?

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

### Which has better reviews, DubFilter or TB GonioMeter?

DubFilter is rated higher. DubFilter averages 4.7 out of 5 from 71 ratings, while TB GonioMeter averages 4.6 from 23 ratings.

### Do DubFilter or TB GonioMeter have ads?

Neither DubFilter nor TB GonioMeter shows ads.

### Which is updated more often, DubFilter or TB GonioMeter?

DubFilter ships an update every 6 months, and TB GonioMeter every 2 months. Most recently, DubFilter was updated on October 7, 2026 and TB GonioMeter on October 1, 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.*