# DirectionalEQ vs Piano Studio Mobile

The clearest difference is review sentiment: Piano Studio Mobile at 100% against DirectionalEQ's 33%. Piano Studio Mobile also leads on price ($2.99 vs $9.99) and update cadence (monthly vs every 19 months). DirectionalEQ's advantage is iOS requirement (9.3 vs 14.0). On ads, in-app purchases, monetization model and device support there is nothing between them.

DirectionalEQ costs $9.99 and Piano Studio Mobile $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

DirectionalEQ ships an update every 19 months, Piano Studio Mobile monthly. The most recent releases landed on October 26, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | DirectionalEQ | Piano Studio Mobile |
| --- | --- | --- |
| Price | $9.99 | **$2.99** |
| Rating | **[3.6 (14 ratings)](https://appshunter.io/ios/app/directionaleq/id1301365260/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Monthly** |
| Monetization | Paid | Paid |
| Size | 11 MB | 5 MB |
| Requires iOS | **9.3** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Christian Siedschlag](https://appshunter.io/developer/538434682) | [Eduardo Revilla Vaquero](https://appshunter.io/developer/806472602) |

## What reviewers say

### DirectionalEQ

[App page](https://appshunter.io/ios/app/directionaleq/id1301365260)

This audio plugin allows independent equalization of different directions within the stereo field. It offers five bands with advanced filter types, enabling precise adjustments to specific audio directions for a more nuanced sound. Designed for use within compatible music production host apps.

**Highlights:** Independent equalization of stereo field directions, Five bands with state-of-the-art filter types, 64-bit processing and 2x oversampling, Specify direction for each band's operation, Works as an Audio Unit or Inter App Audio plugin

**Features:** Vision Pro support

**In-app purchases:** none


### Piano Studio Mobile

[App page](https://appshunter.io/ios/app/piano-studio-mobile/id6747767288)

Transform your device into a professional 88-key piano with realistic sounds and advanced MIDI support. Learn with visual guidance, record melodies, and import your favorite songs. Perfect for musicians of all levels.

**Highlights:** 88-key professional piano interface, Advanced MIDI file import, Intelligent multi-track recording, Visual learning with illuminated keys, Multiple professional sound types, Bilingual interface (Spanish/English)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DirectionalEQ free?

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

### Is Piano Studio Mobile free?

Piano Studio Mobile costs $2.99, with no in-app purchases.

### Do DirectionalEQ or Piano Studio Mobile have ads?

Neither DirectionalEQ nor Piano Studio Mobile shows ads.

### Which is updated more often, DirectionalEQ or Piano Studio Mobile?

DirectionalEQ ships an update every 19 months, and Piano Studio Mobile monthly. Most recently, DirectionalEQ was updated on October 26, 2026 and Piano Studio Mobile on October 21, 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.*