# Disklavier Controller vs Assistant for Arkham Horror

The clearest difference is price: Disklavier Controller at Free against Assistant for Arkham Horror's $4.99. Disklavier Controller also leads on in-app purchases (none vs 4) and ratings volume (29 vs 6). Assistant for Arkham Horror's advantage is rating (3.5 vs 2.6) and review sentiment (67% vs 35%). On ads, device support and iOS requirement there is nothing between them.

Disklavier Controller is free to download; Assistant for Arkham Horror costs $4.99 up front. Assistant for Arkham Horror sells 4 one-off in-app purchases. Disklavier Controller asks for nothing beyond the download.

Assistant for Arkham Horror holds the better App Store score, 3.5 against 2.6. Both are backed by a comparable volume of ratings — 29 and 6 respectively. Written reviews point the same way: 35% of Disklavier Controller's written reviews are positive against 67% of Assistant for Arkham Horror's.

Disklavier Controller ships an update every 10 months, Assistant for Arkham Horror every 6 weeks. The most recent releases landed on October 22, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Disklavier Controller | Assistant for Arkham Horror |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | [2.6 (29 ratings)](https://appshunter.io/ios/app/disklavier-controller-us/id467490291/reviews) | **[3.5 (6 ratings)](https://appshunter.io/ios/app/assistant-for-arkham-horror/id1020261740/reviews)** |
| Number of ratings | **29** | 6 |
| Positive reviews | 34.6% of reviews | **66.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 6 weeks** |
| Monetization | **Free** | Paid |
| Size | 4 MB | 83 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Yamaha Corporation of America](https://appshunter.io/developer/408058585) | [Petr Hejkal](https://appshunter.io/developer/1020261739) |

## What reviewers say

### Disklavier Controller

[App page](https://appshunter.io/ios/app/disklavier-controller-us/id467490291)

Control key functions of your Disklavier piano remotely via WiFi. Adjust volume, manage playback, select songs, and perform simple recordings from your device. Compatible with specific Disklavier models.

**Highlights:** Main volume control, Start/stop song playback, Source, album, song selection, Simple recording functions, DisklavierRadio playback, Balance, Transpose, Tempo control

**Features:** macOS Compatibility

**In-app purchases:** none


### Assistant for Arkham Horror

[App page](https://appshunter.io/ios/app/assistant-for-arkham-horror/id1020261740)

This app acts as a digital substitute for physical game components for Arkham Horror. It includes interactive sheets for investigators and ancient ones, game rules, and reference materials. Additional content is available through in-app purchases.

**Highlights:** Interactive Investigator sheets, Ancient One tracking, Game rules reference, Player reference sheet, Custom community sheets, Expansion content via IAP

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kingsport Horror | $1.99 | one-time |
| Game Rules | $1.99 | one-time |
| Dunwich Horror | $2.99 | one-time |
| Innsmouth Horror | $2.99 | one-time |


## Frequently asked questions

### Is Disklavier Controller free?

Disklavier Controller is free to download, with no in-app purchases.

### Is Assistant for Arkham Horror free?

Assistant for Arkham Horror costs $4.99, and also offers in-app purchases.

### Which has better reviews, Disklavier Controller or Assistant for Arkham Horror?

Assistant for Arkham Horror is rated higher. Disklavier Controller averages 2.6 out of 5 from 29 ratings, while Assistant for Arkham Horror averages 3.5 from 6 ratings.

### Do Disklavier Controller or Assistant for Arkham Horror have ads?

Neither Disklavier Controller nor Assistant for Arkham Horror shows ads.

### Which is updated more often, Disklavier Controller or Assistant for Arkham Horror?

Disklavier Controller ships an update every 10 months, and Assistant for Arkham Horror every 6 weeks. Most recently, Disklavier Controller was updated on October 22, 2026 and Assistant for Arkham Horror on October 19, 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.*