# ab Compressor | Limiter X vs FAC Gravity

The clearest difference is in-app purchases: ab Compressor | Limiter X at none against FAC Gravity's 3. ab Compressor | Limiter X also leads on price ($5.99 vs $9.99) and iOS requirement (12.0 vs 17.0). FAC Gravity's advantage is ratings volume (8 vs 1). On rating, ads, monetization model and device support there is nothing between them.

ab Compressor | Limiter X costs $5.99 and FAC Gravity $9.99 up front. FAC Gravity sells 3 one-off in-app purchases. ab Compressor | Limiter X asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for ab Compressor | Limiter X against 4.9 for FAC Gravity. That said, the two scores are not equally well evidenced: FAC Gravity has 8 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | ab Compressor | Limiter X | FAC Gravity |
| --- | --- | --- |
| Price | **$5.99** | $9.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ab-compressor-limiter-x/id6793625144/reviews)** | [4.9 (8 ratings)](https://appshunter.io/ios/app/fac-gravity/id6799092848/reviews) |
| Number of ratings | 1 | **8** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Monetization | Paid | Paid |
| Size | 11 MB | 4 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Alejandro Cabrera Zuniga](https://appshunter.io/developer/1660382836) | [Frederic Corvest](https://appshunter.io/developer/1230164765) |

## What reviewers say

### ab Compressor | Limiter X

[App page](https://appshunter.io/ios/app/ab-compressor-limiter-x/id6793625144)

This audio effect app offers advanced compression and limiting capabilities for music production. It allows independent control over three dimensional poles (Left, Right, Front) for unique sound shaping and includes features like dry/wet control for parallel processing.

**Highlights:** Per-dimensional pole compressor, Per-dimensional pole limiter, Per-dimensional pole saturator, Dry/wet control for parallel processing, Peak/RMS compression, Lookahead function, Knee control

**Features:** Vision Pro support

**In-app purchases:** none


### FAC Gravity

[App page](https://appshunter.io/ios/app/fac-gravity/id6799092848)

Create unique audio effects like Barberpole glissandos, spectral illusions, and evolving echoes. This frequency shifter offers stereo or mono processing with customizable feedback loops and modulation for dynamic sound design.

**Highlights:** Barberpole glissandos and spectral illusions, Stereo or mono frequency shifting, Spiral feedback loop with delay and filtering, Modulation matrix with LFO and envelope follower, Tempo-synced or MIDI-driven effects, Dry/wet mix and optional limiting

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $1.99 | one-time |
| Medium Tip | $4.99 | one-time |
| Large Tip | $14.99 | one-time |


## Frequently asked questions

### Is ab Compressor | Limiter X free?

ab Compressor | Limiter X costs $5.99, with no in-app purchases.

### Is FAC Gravity free?

FAC Gravity costs $9.99, and also offers in-app purchases.

### Which has better reviews, ab Compressor | Limiter X or FAC Gravity?

ab Compressor | Limiter X is rated higher. ab Compressor | Limiter X averages 5.0 out of 5 from 1 ratings, while FAC Gravity averages 4.9 from 8 ratings.

### Do ab Compressor | Limiter X or FAC Gravity have ads?

Neither ab Compressor | Limiter X nor FAC Gravity shows ads.

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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.*