# ab EQ X vs SL Prism

The clearest difference is price: ab EQ X at $5.99 against SL Prism's $19.99. SL Prism's advantage is update cadence (every 10 days vs every 6 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

ab EQ X costs $5.99 and SL Prism $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ab EQ X ships an update every 6 months, SL Prism every 10 days. Both last shipped on October 29, 2026.

## The numbers

| Metric | ab EQ X | SL Prism |
| --- | --- | --- |
| Price | **$5.99** | $19.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ab-eq-x/id6758950459/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 10 days** |
| Monetization | Paid | — |
| Size | 12 MB | 18 MB |
| Requires iOS | 15 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alejandro Cabrera Zuniga](https://appshunter.io/developer/1660382836) | [VIACHESLAV ZHILTSOV](https://appshunter.io/developer/1862005860) |

## What reviewers say

### ab EQ X

[App page](https://appshunter.io/ios/app/ab-eq-x/id6758950459)

This application offers a parametric equalizer that operates with Ambisonics technology. It allows independent equalization of three dimensional poles (LEFT, RIGHT, FRONT) with five bands each, supporting various filter types and a DRY/WET mix control.

**Highlights:** Ambisonics-based equalization, 3 independent dimensional poles (LEFT, RIGHT, FRONT), 5 bands per pole, Multiple filter types (HP, LP, Shelf, Bell, Notch), DRY/WET MIX control

**Features:** Vision Pro support

**In-app purchases:** none


### SL Prism

[App page](https://appshunter.io/ios/app/sl-prism/id6806684924)

**In-app purchases:** none


## Frequently asked questions

### Is ab EQ X free?

ab EQ X costs $5.99, with no in-app purchases.

### Is SL Prism free?

SL Prism costs $19.99, with no in-app purchases.

### Do ab EQ X or SL Prism have ads?

Neither ab EQ X nor SL Prism shows ads.

### Which is updated more often, ab EQ X or SL Prism?

ab EQ X ships an update every 6 months, and SL Prism every 10 days. Most recently, ab EQ X was updated on October 29, 2026 and SL Prism on October 29, 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.*