Comparison

Water Cleaner vs World Clock

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Water Cleaner

This utility app uses focused sound vibrations to help clear trapped liquid from your device's speakers after exposure to water. It offers a simple, one-tap solution to restore clearer audio by creating vibrations that push moisture out.

Highlights
  • Sound vibrations to eject water
  • One-tap start
  • Adjustable playback control
  • Easy restart
  • User-friendly interface
  • Lightweight and fast
Features
Read full description

Dropped your phone in water? Caught in the rain? Spilled a drink near your device? If your speaker suddenly sounds muffled, distorted, or quieter than usual, Speaker Cleaner Sound helps you clear trapped liquid using focused sound vibrations designed to assist in pushing moisture out of your device. The app is built to be simple and practical. No complicated setup. No technical steps. Just open the app and start the sound. The powerful tone creates vibration that can help move water trapped inside small speaker grills. Why use Speaker Cleaner Sound? • Play sound waves to help eject water • One-tap start for quick use • Adjustable playback control • Easy restart for repeated cycles • Clean and user-friendly interface • Lightweight and fast performance Whether your phone was exposed to splashes, spills, or unexpected rain, this app offers a convenient way to help restore clearer audio. It’s ideal to use right after water exposure or anytime your speaker performance feels reduced. Open the app. Play the sound. Let the vibration do the work. Download now and help bring your speaker back to clearer sound in seconds. Speaker Cleaner Sound app is free. You can use it forever, at no cost. However, Speaker Cleaner Sound does offer premium features for its subscribers. If you decide to purchase an upgrade, you will unlock additional features. Terms of Use: https://kociapp.github.io/Water-Cleaner/term-of-use Privacy Policy: https://kociapp.github.io/Water-Cleaner/privacy-policy

About

World Clock

Easily track time across multiple cities with visual gradients and an intuitive converter. Organize contacts by time zone, calculate dates, and utilize customizable widgets. Works offline for core functionality.

Highlights
  • Instant time conversion with visual slider
  • Hourly timeline grid with overlapping work times
  • Organize contacts into groups by time zone
  • Date and duration calculator
  • Customizable widgets for home screen
  • Offline functionality for core features
Features
Read full description

Every time zone. One glance. One tap to convert. World Clock: Timezone Converter is the fastest way to track time across the globe. Whether you're scheduling meetings with a distributed team, calling family overseas, or planning your next trip - see every city's local time at a glance with beautiful color gradients that shift from day to night. INSTANT TIME CONVERSION Tap any city to open the converter. Slide the time and watch every clock on your screen update simultaneously - colors shift from sunrise to sunset as you scrub through the hours. No other app makes time conversion this visual and intuitive. TIMELINE GRID Switch to the Timeline tab for a powerful hourly grid view. See all your cities side by side with color-coded cells - golden hours highlight overlapping work times so you can find the perfect meeting slot in seconds. PEOPLE & GROUPS Assign contacts to time zones and organize them into groups - Team, Family, Clients. See at a glance who's awake, who's in their workday, and who you shouldn't call right now. Add up to 3 people free. DATE CALCULATOR Need to know the date 90 business days from now? Or how many days between two dates? The built-in calculator handles date math, business day calculations, and duration computations. WIDGETS Analog clocks, digital grids, solar arcs, world maps, timeline views, people status, gradient cards, heat maps - plus Lock Screen and Liquid Glass styles for iOS 26. Your Home Screen, your way. WORKS COMPLETELY OFFLINE All core features - clocks, converter, timeline, sunrise/sunset calculations - work without an internet connection. Your data stays on your device. FREE FEATURES Track up to 4 cities with live time-of-day gradients Full time converter with hour slider Timeline grid with color-coded golden hours Share conversion cards (with watermark) Date calculator with duration and business day math Up to 3 people with timezone tracking Dark mode, 12h/24h formats DST awareness with advance warnings VoiceOver and Dynamic Type support PRO SUBSCRIPTION (unlocks with monthly, annual, or lifetime purchase): Unlimited cities and people Calendar Quick-Add with title, notes, and duration All widget styles including Lock Screen Smart Share to Slack, Teams, and Google Calendar .ics calendar invite export Share cards without watermark Custom themes, app icons, and emoji Weather and moon/solar data at each location Live seconds display Timeline range selection and overlap finder Meeting cost analysis Smart notifications AI Time Assistant Custom work hours per person Terms of Service: https://worldtimezones.app/terms Privacy Policy: https://worldtimezones.app/privacy

Screenshots

Water Cleaner4 screens
World Clock4 screens

Verdict

The call

The clearest difference is ads: World Clock at none against Water Cleaner's shown. World Clock also leads on ratings volume (7 vs 1). Water Cleaner's advantage is iOS requirement (16.0 vs 18.0). On price, rating, in-app purchases and monetization model 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Water Cleaner sells 5 in-app purchases, starting at $3.99 per 7 days and World Clock sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Water Cleaner against 5.0 for World Clock. That said, the two scores are not equally well evidenced: World Clock has 7 ratings behind it against 1, so its average is the more settled of the two.

Scorecard3 real differences · 7 level
Water Cleaner versus World Clock: the parameters behind the verdict, then further details
ParameterWater CleanerWorld Clock
PriceFreeFree
Rating5.0 (1 ratings)5.0 (7 ratings)
Positive reviews—100.0% of reviews
Number of ratings17 — better
Update frequency—Every 3 weeks
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better18.0
Further details — not scored
Size13 MB32 MB
Age rating4+4+
DeveloperAndy SutantoApphaze

In-app purchases

5 purchases

Water Cleaner

Subscriptions4
  • 1W$3.997 Days
  • 1M$7.991 Month
  • 1Y$29.991 Year
Show 1 more
  • 1Y27 Days trial$29.991 Year
One-time1
  • Pro$49.99
3 purchases

World Clock

Subscriptions2
  • World Clock Pro Monthly$4.991 Month
  • World Clock Pro Yearly$19.991 Year
One-time1
  • World Clock Pro Lifetime Access$29.99

Questions

Is Water Cleaner free?
Water Cleaner is free to download, with in-app purchases available.
Is World Clock free?
World Clock is free to download, with in-app purchases available.
Which has better reviews, Water Cleaner or World Clock?
Water Cleaner and World Clock are both rated 5.0 out of 5 on the App Store, from 1 and 7 ratings respectively.
Do Water Cleaner or World Clock have ads?
Water Cleaner shows ads; World Clock does not.

Other comparisons