# Gravis Sub Control vs What2WatchAI

The clearest difference is review sentiment: What2WatchAI at 75% against Gravis Sub Control's 0%. What2WatchAI also leads on update cadence (every 10 days vs every 46 months) and ratings volume (38 vs 1). Gravis Sub Control's advantage is rating (5.0 vs 4.2) and in-app purchases (none vs 4). On price, ads and device support there is nothing between them.

Both are free to download. What2WatchAI sells 4 in-app purchases, starting at $0.99 per 7 days. Gravis Sub Control asks for nothing beyond the download.

Gravis Sub Control holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: What2WatchAI has 38 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 0% of Gravis Sub Control's written reviews are positive against 75% of What2WatchAI's, so the app with the better star average is not the one people write more warmly about.

Gravis Sub Control ships an update every 46 months, What2WatchAI every 10 days. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Gravis Sub Control | What2WatchAI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/gravis-sub-control/id1385700759/reviews)** | [4.2 (38 ratings)](https://appshunter.io/ios/app/what2watchai/id6757456389/reviews) |
| Number of ratings | 1 | **38** |
| Positive reviews | 0.0% of reviews | **75.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 46 months | **Every 10 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 20 MB | 52 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sonus faber spa](https://appshunter.io/developer/1683266013) | [Block Browser INC](https://appshunter.io/developer/1714029609) |

## What reviewers say

### Gravis Sub Control

[App page](https://appshunter.io/ios/app/gravis-sub-control/id1385700759)

Adjust your Gravis subwoofer settings directly from your device. Fine-tune volume, select presets, and manage advanced audio parameters like low pass, phase, and delay. Optimize your sound experience with automatic equalization and power management.

**Highlights:** Volume control, Preset selection, Low pass filter, Phase adjustment, Delay settings, PEQ channels, Power management, Auto EQ

**Features:** macOS Compatibility

**In-app purchases:** none


### What2WatchAI

[App page](https://appshunter.io/ios/app/what2watchai/id6757456389)

Discover movies and TV shows tailored to your taste with smart recommendations. Avoid endless scrolling and get instant suggestions for what to watch tonight, manage your watchlist, and track progress from your lock screen.

**Highlights:** Smart AI recommendations, Personalized suggestions, Tonight Mode for instant picks, Watchlist manager, Live Activity support, Beautiful dark mode interface

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $0.99 | per 7 days |
| Monthly Premium | $2.99 | per month |
| Yearly Premium | $19.99 | per year |
| Lifetime Premium | $49.99 | one-time |


## Frequently asked questions

### Is Gravis Sub Control free?

Gravis Sub Control is free to download, with no in-app purchases.

### Is What2WatchAI free?

What2WatchAI is free to download, with in-app purchases available.

### Which has better reviews, Gravis Sub Control or What2WatchAI?

Gravis Sub Control is rated higher. Gravis Sub Control averages 5.0 out of 5 from 1 ratings, while What2WatchAI averages 4.2 from 38 ratings.

### Do Gravis Sub Control or What2WatchAI have ads?

Neither Gravis Sub Control nor What2WatchAI shows ads.

### Which is updated more often, Gravis Sub Control or What2WatchAI?

Gravis Sub Control ships an update every 46 months, and What2WatchAI every 10 days. Most recently, Gravis Sub Control was updated on November 2, 2026 and What2WatchAI on October 31, 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.*