Sonic | Water Eject vs Chronos Guitar Assistant
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sonic | Water Eject
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.
- 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)
Read full descriptionHide full description
Sonic is the original app used to clean water from your iPhone speakers. Use the speaker cleaning session to clear out your speakers and get things sounding like new again. Sonic generates a sine wave tone with easy precise control over the frequency. Simply swipe your finger up and down anywhere on the screen to raise or lower the tone frequency. Swipe slowly for small frequency adjustments quickly for larger adjustments. Sonic features you will love: • Clear moisture from your iPhone speakers. • Generate tones from 0 Hz to Ultrasonic 25 kHz. • Control Sonic from your Apple Watch. • Use other apps with Sonic in the background. • Broadcast Sonic to bluetooth and Airplay speakers. More features available to Premium Subscribers: • Limitless speaker cleaning sessions. • Unique waveforms to choose from. • Unlimited preset creation. • No Ads, ever. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Chronos Guitar Assistant
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.
- Chord diagrams
- Fretboard notes
- Scale finder
- Circle of fifths
- Metronome
- Tuner
Read full descriptionHide full description
Chronos Guitar Assistant - помощник для гитаристов и басистов. Изучайте аккорды и аппликатуры, учите ноты на грифе, находите гаммы, работайте с кругом тональностей, тренируйтесь под метроном. В приложении: - аккорды и диаграммы для гитары; - ноты на грифе с выбором строя; - блокнот песен; - гаммы и ступени; - кварто-квинтовый круг; - метроном; - тюнер. Приложение работает без регистрации. Аудио с микрофона используется только для тюнера, обрабатывается на устройстве и не передаётся на серверы.
Screenshots
Verdict
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 (#185 vs unranked). On price and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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 17, 2026 and October 14, 2026 respectively.
| Parameter | Sonic | Water Eject | Chronos Guitar Assistant |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (21K ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 81.4% of reviews | 100.0% of reviews — better |
| Number of ratings | 21K — better | 2 |
| Update frequency | Every 2 weeks | Every 3 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | Free — better |
| Best chart rank | #185 — better | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 50 MB | 59 MB |
| Age rating | 4+ | 4+ |
| Developer | VonBruno LLC | Ivan Terekhov |
Customer experience
Sonic | Water Eject
Chronos Guitar Assistant
Bugs and requests
Sonic | Water Eject
Reported bugs
2 issues- Frequency controls fixed at 530Hz in some versions
- Close button not responsive in some cases
Requested features
3 requests- Add volume control to play in background
- Provide manual frequency input option
- Implement binaural beat feature
Chronos Guitar Assistant
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Sonic | Water Eject
- Weekly$1.997 Days
- Monthly$2.991 Month
- Weekly$2.997 Days
Show 2 moreShow fewer
- Annual3 Days trial$9.991 Year
- Annual3 Days trial$29.991 Year
- Sonic Clean$0.99
- Sonic Presets$2.99
- Sonic Waveforms$2.99
Show 1 moreShow fewer
- Lifetime$24.99
Chronos Guitar Assistant
No in-app purchases
Questions
Is Sonic | Water Eject free?
Is Chronos Guitar Assistant free?
Which has better reviews, Sonic | Water Eject or Chronos Guitar Assistant?
Do Sonic | Water Eject or Chronos Guitar Assistant have ads?
Which is updated more often, Sonic | Water Eject or Chronos Guitar Assistant?
Other comparisons
