# Sonic | Water Eject vs AST Manager Q

The clearest difference is review sentiment: Sonic | Water Eject at 81% against AST Manager Q's 25%. Sonic | Water Eject also leads on update cadence (every 2 weeks vs every 2 months) and chart position (#188 vs unranked). AST Manager Q's advantage is in-app purchases (none vs 9) and ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Sonic | Water Eject sells 9 in-app purchases, starting at $1.99 per 7 days. AST Manager Q asks for nothing beyond the download.

Sonic | Water Eject ships an update every 2 weeks, AST Manager Q every 2 months. The most recent releases landed on September 26, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Sonic | Water Eject | AST Manager Q |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (21K ratings)](https://appshunter.io/ios/app/sonic-water-eject/id986999895/reviews)** | — |
| Number of ratings | **21K** | — |
| Positive reviews | **81.2% of reviews** | 25.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Freemium | **Free** |
| Best chart rank | **#188** | — |
| Size | 50 MB | 45 MB |
| Requires iOS | 17.6 | **17** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [VonBruno LLC](https://appshunter.io/developer/346742389) | [ART SYSTEM, LLC](https://appshunter.io/developer/1524307772) |

## What reviewers say

### Sonic | Water Eject

[App page](https://appshunter.io/ios/app/sonic-water-eject/id986999895)

**Currently charting:** #188 Top Free · Music (US App Store)

This app generates precise sine wave tones to help remove water and debris from your device's speakers. Easily adjust frequencies by swiping on the screen, and enjoy features like Apple Watch control and background operation. Premium subscribers gain access to advanced waveforms, unlimited sessions, and an ad-free experience.

**Highlights:** Clears moisture from device speakers, Generates tones from 0 Hz to 25 kHz, Control via Apple Watch, Background operation, Broadcast to Bluetooth/Airplay speakers, Unique waveforms (Premium)

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $1.99 | per 7 days |
| Monthly | $2.99 | per month |
| Weekly | $2.99 | per 7 days |
| Annual | $9.99 | per year |
| Annual | $29.99 | per year |
| Sonic Clean | $0.99 | one-time |
| Sonic Presets | $2.99 | one-time |
| Sonic Waveforms | $2.99 | one-time |
| Lifetime | $24.99 | one-time |

**What reviewers like**

- 🚀 Works great for water ejection
- 🔧 Effectively removes water from speakers
- 👍 Saved phones from water damage
- 💡 Useful for tuning instruments and sound healing

**What reviewers complain about**

- 🔒 Premium features now behind paywall
- 💰 Subscription model too expensive
- 🔇 Ads interfere with usability
- 🐛 Frequency controls not user-friendly

**Reported bugs**

- Frequency controls fixed at 530Hz in some versions
- Close button not responsive in some cases

**Requested features**

- Add volume control to play in background
- Provide manual frequency input option
- Implement binaural beat feature


### AST Manager Q

[App page](https://appshunter.io/ios/app/ast-manager-q/id1524307770)

Control AST karaoke systems remotely. Browse an illustrated catalog, search songs by various criteria, and manage playback queues. Adjust playback parameters, record and share performances, and configure system settings.

**Highlights:** Illustrated artist catalog, Song search by number, artist, title, lyrics, Search result filtering, Playback queue management, Control playback parameters, Record and share performances, Karaoke system settings management

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Sonic | Water Eject free?

Sonic | Water Eject is free to download, with in-app purchases available.

### Is AST Manager Q free?

AST Manager Q is free to download, with no in-app purchases.

### Do Sonic | Water Eject or AST Manager Q have ads?

Sonic | Water Eject shows ads; AST Manager Q does not.

### Which is updated more often, Sonic | Water Eject or AST Manager Q?

Sonic | Water Eject ships an update every 2 weeks, and AST Manager Q every 2 months. Most recently, Sonic | Water Eject was updated on September 26, 2026 and AST Manager Q on September 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*