# SlowMoFX vs Goniometer for Logic Pro

The clearest difference is review sentiment: SlowMoFX at 70% against Goniometer for Logic Pro's 25%. SlowMoFX also leads on update cadence (every 6 days vs every 3 months) and ratings volume (14 vs 2). Goniometer for Logic Pro's advantage is price (Free vs $9.99) and rating (5.0 vs 3.8). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Goniometer for Logic Pro is free to download; SlowMoFX costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Goniometer for Logic Pro holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: SlowMoFX has 14 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 70% of SlowMoFX's written reviews are positive against 25% of Goniometer for Logic Pro's, so the app with the better star average is not the one people write more warmly about.

SlowMoFX ships an update every 6 days, Goniometer for Logic Pro every 3 months. The most recent releases landed on October 20, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | SlowMoFX | Goniometer for Logic Pro |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | [3.8 (14 ratings)](https://appshunter.io/ios/app/slowmofx/id1536139632/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/goniometer-for-logic-pro/id1667642920/reviews)** |
| Number of ratings | **14** | 2 |
| Positive reviews | **70.0% of reviews** | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 3 months |
| Monetization | Paid | **Free** |
| Size | 12 MB | 8 MB |
| Requires iOS | **13** | 14.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [4Pockets.com](https://appshunter.io/developer/370131860) | [Indigogo](https://appshunter.io/developer/1713412253) |

## What reviewers say

### SlowMoFX

[App page](https://appshunter.io/ios/app/slowmofx/id1536139632)

This audio effect plugin allows users to seamlessly blend incoming audio with a slowed-down version, creating unique half-speed effects. It offers adjustable slowdown speeds, filtering, and built-in effects like delay and reverb for sound manipulation.

**Highlights:** Half-speed audio effect, Adjustable slowdown speeds (1.5x, 2x, 4x), Low and high pass filters, Built-in delay and reverb, Ping Pong and Reverse modes, MIDI automation support

**Features:** macOS Compatibility

**In-app purchases:** none


### Goniometer for Logic Pro

[App page](https://appshunter.io/ios/app/goniometer-for-logic-pro/id1667642920)

This audio analysis tool visualizes the stereo image of sound recordings. It helps users analyze and adjust stereo width, balance, and phase relationships by displaying channel information.

**Highlights:** Stereo image analysis, Mid-Side (MS) and Left-Right (LR) channel display, Relative level and phase relationship visualization, Mono sum and channel difference analysis, Syncs with host app waveforms, GPU-accelerated waveform rendering

**In-app purchases:** none


## Frequently asked questions

### Is SlowMoFX free?

SlowMoFX costs $9.99, with no in-app purchases.

### Is Goniometer for Logic Pro free?

Goniometer for Logic Pro is free to download, with no in-app purchases.

### Which has better reviews, SlowMoFX or Goniometer for Logic Pro?

Goniometer for Logic Pro is rated higher. SlowMoFX averages 3.8 out of 5 from 14 ratings, while Goniometer for Logic Pro averages 5.0 from 2 ratings.

### Do SlowMoFX or Goniometer for Logic Pro have ads?

Neither SlowMoFX nor Goniometer for Logic Pro shows ads.

### Which is updated more often, SlowMoFX or Goniometer for Logic Pro?

SlowMoFX ships an update every 6 days, and Goniometer for Logic Pro every 3 months. Most recently, SlowMoFX was updated on October 20, 2026 and Goniometer for Logic Pro on October 22, 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.*