# Sonic | Water Eject vs Tone Generator EM

The clearest difference is review sentiment: Sonic | Water Eject at 81% against Tone Generator EM's 0%. Sonic | Water Eject also leads on ratings volume (21K vs 36) and rating (4.7 vs 4.4). Tone Generator EM's advantage is iOS requirement (13.0 vs 17.6). On price, ads, in-app purchases and monetization model 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 and Tone Generator EM sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Sonic | Water Eject holds the better App Store score, 4.7 against 4.4. That said, the two scores are not equally well evidenced: Sonic | Water Eject has 21K ratings behind it against 36, 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 0% of Tone Generator EM's.

Sonic | Water Eject ships an update every 2 weeks, Tone Generator EM every 2 months. The most recent releases landed on September 29, 2026 and August 25, 2026 respectively.

## The numbers

| Metric | Sonic | Water Eject | Tone Generator EM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (21K ratings)](https://appshunter.io/ios/app/sonic-water-eject/id986999895/reviews)** | [4.4 (36 ratings)](https://appshunter.io/ios/app/tone-generator-em-1/id1609613195/reviews) |
| Number of ratings | **21K** | 36 |
| Positive reviews | **81.2% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Freemium | Free with in-app purchases |
| Best chart rank | **#186** | — |
| Size | 50 MB | 6 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [VonBruno LLC](https://appshunter.io/developer/346742389) | [myrApps](https://appshunter.io/developer/954211898) |

## What reviewers say

### Sonic | Water Eject

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

**Currently charting:** #186 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


### Tone Generator EM

[App page](https://appshunter.io/ios/app/tone-generator-em-1/id1609613195)

Generate sounds across a wide frequency range to test hearing, tune instruments, or experiment with audio. Easily select frequencies with a slider, adjust volume, and play tones.

**Highlights:** Generate sounds from 1Hz to 22kHz, Test hearing and audio equipment, Tune musical instruments, Intuitive frequency slider, Adjust volume, Note list with corresponding frequencies

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Lifetime Upgrade | $3.99 | one-time |


## Frequently asked questions

### Is Sonic | Water Eject free?

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

### Is Tone Generator EM free?

Tone Generator EM is free to download, with in-app purchases available.

### Which has better reviews, Sonic | Water Eject or Tone Generator EM?

Sonic | Water Eject is rated higher. Sonic | Water Eject averages 4.7 out of 5 from 21K ratings, while Tone Generator EM averages 4.4 from 36 ratings.

### Do Sonic | Water Eject or Tone Generator EM have ads?

Both Sonic | Water Eject and Tone Generator EM show ads.

### Which is updated more often, Sonic | Water Eject or Tone Generator EM?

Sonic | Water Eject ships an update every 2 weeks, and Tone Generator EM every 2 months. Most recently, Sonic | Water Eject was updated on September 29, 2026 and Tone Generator EM on August 25, 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.*