# DRM vs ab vortEx X

The clearest difference is price: DRM at $1.99 against ab vortEx X's $12.99. DRM also leads on rating (5.0 vs 4.6). ab vortEx X's advantage is review sentiment (88% vs 57%) and update cadence (every 2 months vs every 7 months). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

DRM costs $1.99 and ab vortEx X $12.99 up front. Neither carries in-app purchases, so what you see is what you pay.

DRM holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 6 and 8 respectively. Written reviews complicate that: 57% of DRM's written reviews are positive against 88% of ab vortEx X's, so the app with the better star average is not the one people write more warmly about.

DRM ships an update every 7 months, ab vortEx X every 2 months. The most recent releases landed on September 28, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | DRM | ab vortEx X |
| --- | --- | --- |
| Price | **$1.99** | $12.99 |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/drm-32/id1488347182/reviews)** | [4.6 (8 ratings)](https://appshunter.io/ios/app/ab-vortex-x/id1660941137/reviews) |
| Number of ratings | 6 | **8** |
| Positive reviews | 57.1% of reviews | **87.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 months** |
| Monetization | Paid | Paid |
| Size | 24 MB | 7 MB |
| Requires iOS | 12.0 | **11** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [David Rochaix](https://appshunter.io/developer/1441966350) | [Alejandro Cabrera Zuniga](https://appshunter.io/developer/1660382836) |

## What reviewers say

### DRM

[App page](https://appshunter.io/ios/app/drm-32/id1488347182)

This app emulates a vintage 1979 drum machine, offering a pure interface for creating beats on your device. It includes high-quality samples, preset patterns, and advanced audio features for music production.

**Highlights:** 8 original high-quality double-samples, 32 preset patterns, Selective instrument deletion modes, Full machine state auto-save, Background audio playback, Audiobus V3 and InterApp audio support, Built-in audio and global effects

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

**In-app purchases:** none


### ab vortEx X

[App page](https://appshunter.io/ios/app/ab-vortex-x/id1660941137)

This app is a stereo-only abstract spacetime designer for creating unique reverberations. It functions as an AUv3 plugin for compatible iOS hosts or as a standalone application, offering control over sound reflection spread.

**Highlights:** Stereo-only spatial audio algorithms, AUv3 plugin compatibility, Standalone application mode, Touch screen interface, Control over sound reflection spread, Space, Time, Viscosity, Volumes controls

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is DRM free?

DRM costs $1.99, with no in-app purchases.

### Is ab vortEx X free?

ab vortEx X costs $12.99, with no in-app purchases.

### Which has better reviews, DRM or ab vortEx X?

DRM is rated higher. DRM averages 5.0 out of 5 from 6 ratings, while ab vortEx X averages 4.6 from 8 ratings.

### Do DRM or ab vortEx X have ads?

Neither DRM nor ab vortEx X shows ads.

### Which is updated more often, DRM or ab vortEx X?

DRM ships an update every 7 months, and ab vortEx X every 2 months. Most recently, DRM was updated on September 28, 2026 and ab vortEx X on September 24, 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.*