# Sonic | Water Eject vs Chronos Guitar Assistant

The clearest difference is in-app purchases: Chronos Guitar Assistant at none against Sonic | Water Eject's 9. Chronos Guitar Assistant also leads on ads (none vs shown) and rating (5.0 vs 4.7). Sonic | Water Eject's advantage is ratings volume (21K vs 2) and chart position (#201 vs unranked). On price and device support 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. Chronos Guitar Assistant asks for nothing beyond the download.

Chronos Guitar Assistant holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Sonic | Water Eject has 21K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 81% of Sonic | Water Eject's written reviews are positive against 100% of Chronos Guitar Assistant's.

Sonic | Water Eject ships an update every 2 weeks, Chronos Guitar Assistant every 3 days. The most recent releases landed on October 18, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Sonic | Water Eject | Chronos Guitar Assistant |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (21K ratings)](https://appshunter.io/ios/app/sonic-water-eject/id986999895/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/chronos-guitar-assistant/id6785442201/reviews)** |
| Number of ratings | **21K** | 2 |
| Positive reviews | 81.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Monetization | Freemium | **Free** |
| Best chart rank | **#201** | — |
| Size | 50 MB | 59 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [VonBruno LLC](https://appshunter.io/developer/346742389) | [Ivan Terekhov](https://appshunter.io/developer/1890457547) |

## What reviewers say

### Sonic | Water Eject

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

**Currently charting:** #201 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


### Chronos Guitar Assistant

[App page](https://appshunter.io/ios/app/chronos-guitar-assistant/id6785442201)

This music app helps guitar and bass players learn chords, fingerings, and notes on the fretboard. It also provides tools for scales, key circles, and a metronome, all without requiring registration.

**Highlights:** Chord diagrams, Fretboard notes, Scale finder, Circle of fifths, Metronome, Tuner

**Features:** macOS Compatibility, 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 Chronos Guitar Assistant free?

Chronos Guitar Assistant is free to download, with no in-app purchases.

### Which has better reviews, Sonic | Water Eject or Chronos Guitar Assistant?

Chronos Guitar Assistant is rated higher. Sonic | Water Eject averages 4.7 out of 5 from 21K ratings, while Chronos Guitar Assistant averages 5.0 from 2 ratings.

### Do Sonic | Water Eject or Chronos Guitar Assistant have ads?

Sonic | Water Eject shows ads; Chronos Guitar Assistant does not.

### Which is updated more often, Sonic | Water Eject or Chronos Guitar Assistant?

Sonic | Water Eject ships an update every 2 weeks, and Chronos Guitar Assistant every 3 days. Most recently, Sonic | Water Eject was updated on October 18, 2026 and Chronos Guitar Assistant on October 14, 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.*