# Sea Calendar vs SoundClear

The clearest difference is in-app purchases: Sea Calendar at none against SoundClear's 3. Sea Calendar also leads on iOS requirement (16.4 vs 18.0). SoundClear's advantage is ads (none vs shown). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. SoundClear sells 3 in-app purchases, starting at $6.99 per 7 days. Sea Calendar asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Sea Calendar against 5.0 for SoundClear. Both are backed by a comparable volume of ratings — 2 and 4 respectively.

Sea Calendar ships an update every 3 weeks, SoundClear every 5 weeks. The most recent releases landed on October 13, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Sea Calendar | SoundClear |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/sea-calendar-countdown-widget/id6785787470/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/soundclear-water-eject/id6789173541/reviews) |
| Number of ratings | 2 | **4** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 218 MB | 28 MB |
| Requires iOS | **16.4** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Kien Quyet Vu](https://appshunter.io/developer/1889489810) | [EMILY JOHNSON](https://appshunter.io/developer/1881602420) |

## What reviewers say

### Sea Calendar

[App page](https://appshunter.io/ios/app/sea-calendar-countdown-widget/id6785787470)

Transform your device into a visually stunning and functional planner. This app lets you customize your schedule with color-coded events and create beautiful, live countdown widgets for your home screen. Seamlessly sync with your existing calendar and manage all your important dates in one place.

**Highlights:** Customizable calendar with color-coding, Live countdown home screen widgets, Google Calendar sync, Built-in event editor, Smart reminders and push notifications, Deep visual customization options

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

**In-app purchases:** none


### SoundClear

[App page](https://appshunter.io/ios/app/soundclear-water-eject/id6789173541)

This utility app helps clear trapped liquid and dust from your phone's speaker using sound tones and vibration patterns. It offers various cleaning modes, sound tests, and smart audio tools for speaker maintenance and performance checks. The app also includes extra frequency tools and works offline.

**Highlights:** Water eject tone at 165 Hz, Deep clean and gentle modes, Dust blast for blocked sound paths, Before and after sound test, Speaker health score with FFT analysis, Frequency generator, Offline mode

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP Speaker Cleaner Weekly | $6.99 | per 7 days |
| Infinite Speaker Yearly | $9.99 | per year |
| Speaker Yearly | $24.99 | per year |


## Frequently asked questions

### Is Sea Calendar free?

Sea Calendar is free to download, with no in-app purchases.

### Is SoundClear free?

SoundClear is free to download, with in-app purchases available.

### Which has better reviews, Sea Calendar or SoundClear?

Sea Calendar and SoundClear are both rated 5.0 out of 5 on the App Store, from 2 and 4 ratings respectively.

### Do Sea Calendar or SoundClear have ads?

Sea Calendar shows ads; SoundClear does not.

### Which is updated more often, Sea Calendar or SoundClear?

Sea Calendar ships an update every 3 weeks, and SoundClear every 5 weeks. Most recently, Sea Calendar was updated on October 13, 2026 and SoundClear on October 7, 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.*