Sonic | Water Eject vs MultiTone Generator PRO
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)
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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/
MultiTone Generator PRO
Generate and combine up to 16 different audio tones, including sine, rectangular, triangular, and sawtooth waves. Create frequency sweeps in both directions and play white or pink noise. This intuitive tool offers customizable ranges and sweep times for various audio testing needs.
- Create up to 16 tone combinations
- Play sine, rectangular, triangular, and sawtooth waves
- Generate frequency sweeps (min-max and max-min)
- Sweep repeat/wobble function
- Play white and pink noise
- Customizable frequency and sweep time ranges
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This is the all-new MultiTone Generator! An amazingly flexible and powerful frequency generator! Works with Audiobus and Audiobus Remote! CREATE up to 16 tone combinations. Play them individually or combined. PLAY TEST TONES Sine, Rectangular, Triangular and Sawtooth. PLAY FREQUENCY SWEEP TEST TONES in both directions (minimum to maximum frequency and maximum to minimum frequency). Use the SWEEP REPEAT / WOBBLE function. Play back white and pink NOISE. Fully CUSTOMIZABLE Frequency Min-Max ranges and Sweep time range. The MultiTone Generator is AMAZINGLY INTUITIVE and SIMPLE!
Screenshots
Verdict
The clearest difference is price: Sonic | Water Eject at Free against MultiTone Generator PRO's $9.99. Sonic | Water Eject also leads on ratings volume (21K vs 99) and update cadence (every 2 weeks vs every 6 weeks). MultiTone Generator PRO's advantage is in-app purchases (none vs 9) and ads (none vs shown). On review sentiment, chart position 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
Sonic | Water Eject is free to download; MultiTone Generator PRO costs $9.99 up front. Sonic | Water Eject sells 9 in-app purchases, starting at $1.99 per 7 days. MultiTone Generator PRO asks for nothing beyond the download.
MultiTone Generator PRO holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: Sonic | Water Eject has 21K ratings behind it against 99, 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 83% of MultiTone Generator PRO's.
Sonic | Water Eject ships an update every 2 weeks, MultiTone Generator PRO every 6 weeks. The most recent releases landed on September 24, 2026 and September 15, 2026 respectively.
| Parameter | Sonic | Water Eject | MultiTone Generator PRO |
|---|---|---|
| Price | Free — better | $9.99 |
| Rating | 4.7 (21K ratings) | 4.9 (99 ratings) — better |
| Positive reviews | 81.2% of reviews | 83.3% of reviews — better |
| Number of ratings | 21K — better | 99 |
| Update frequency | Every 2 weeks — better | Every 6 weeks |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Freemium — better | Paid |
| Best chart rank | #200 | #196 — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 15.5 — better |
| Further details — not scored | ||
| Size | 50 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | VonBruno LLC | Thomas Gruber |
Customer experience
Sonic | Water Eject
MultiTone Generator PRO
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
MultiTone Generator PRO
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
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- Annual3 Days trial$9.991 Year
- Annual3 Days trial$29.991 Year
- Sonic Clean$0.99
- Sonic Presets$2.99
- Sonic Waveforms$2.99
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- Lifetime$24.99
MultiTone Generator PRO
No in-app purchases
Questions
Is Sonic | Water Eject free?
Is MultiTone Generator PRO free?
Which has better reviews, Sonic | Water Eject or MultiTone Generator PRO?
Do Sonic | Water Eject or MultiTone Generator PRO have ads?
Which is updated more often, Sonic | Water Eject or MultiTone Generator PRO?
Which is more popular, Sonic | Water Eject or MultiTone Generator PRO?
Other comparisons
