Comparison

Clear Wave vs Calm PDF Image Toolkit

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

Head to head
About

Clear Wave

This app uses precise sound frequencies and vibration to remove water from your iPhone speaker. It offers multiple ejection modes and a speaker health test to diagnose damage. Track your cleaning history and share results with friends.

Highlights
  • Precision sound frequencies for water removal
  • Multiple powerful eject modes
  • Vibration boost for enhanced effectiveness
  • Speaker health diagnostic test
  • Cleaning history and statistics
  • Home screen widgets and Siri integration
Features
Read full description

ClearWave removes water from your iPhone speaker using precision sound frequencies - just like the Apple Watch Water Lock feature, but with more power and control. HOW IT WORKS Your iPhone fell in water? Speaker sounds muffled? ClearWave plays scientifically calibrated sound frequencies that vibrate water droplets out of your speaker grille. It's the same principle Apple uses in Apple Watch - we've made it even more effective. 4 POWERFUL EJECT MODES - Standard Mode (165Hz) - Quick everyday water removal - Deep Clean (200Hz) - For stubborn water after submersion - High Frequency (400Hz) - Targets fine water mist in speaker mesh - Custom Mode (160-200Hz) - Dial in the exact frequency with a precision slider [PRO] VIBRATION BOOST [PRO] Combines CoreHaptics vibration patterns with sound frequencies for maximum water expulsion. Up to 2x more effective than sound alone. SPEAKER HEALTH TEST [PRO] Not sure if your speaker is damaged or just wet? Our real-time diagnostic test gives you a clear health score so you know exactly what's going on - before visiting a repair shop. - Multi-Speaker Testing - Test bottom speaker and earpiece separately - Health Score - Get a 0-100 rating for each speaker - Before/After Comparison - See improvement after cleaning HISTORY & STATISTICS Track every eject session with detailed logs. See your cleaning history with beautiful charts and know exactly when your phone was last cleaned. SHARE YOUR RESULTS Generated a great score? Share a branded result card with friends showing your speaker health improvement. WIDGETS & SIRI - Home Screen Widget - See last eject info and start cleaning with one tap - "Hey Siri, eject water" - Hands-free water removal - Deep Links - Add a shortcut for instant access BEAUTIFUL DESIGN - Dark theme with glass morphism aesthetics - Smooth Lottie animations - Clean, intuitive interface WHY CLEARWAVE? - Based on real acoustic physics, not placebo - Speaker Health Test - ONLY app with diagnostic scoring - Vibration + Sound combo for maximum effectiveness - Widget & Siri - no other water eject app has this - Track your history with charts and stats - Share results with friends - No subscription - one-time Pro purchase Works on all iPhones with speakers. Results may vary depending on water exposure level.

About

Calm PDF Image Toolkit

Features
Read full description

Calm PDF is a powerful, beautifully designed PDF and image toolkit that lets you convert, view, merge, compress, and extract text — all without leaving your device. No cloud uploads, no server processing, no account needed. Your files stay on your phone, always. Whether you need to quickly convert a photo to PDF, merge multiple documents before a meeting, compress large files for email, or extract text from a scanned receipt, Calm PDF handles it all with a clean, intuitive interface that gets out of your way. WHAT YOU CAN DO FOR FREE: • Convert images to PDF — turn any photo into a professional document instantly • Format conversion — PNG to JPG, JPG to PNG with quality control • PDF to image — export PDF pages as JPG or PNG for sharing • Merge PDFs — combine multiple documents into a single file effortlessly • Image compression — reduce photo file sizes without visible quality loss • PDF Reader — enjoy 8 unique reading modes: Sepia, Night, Eye Care, Focus, High Contrast, and more • Annotations — highlight text, underline, add sticky notes, stamps, and bookmarks • File management — organize documents into color-coded folders with smart filtering and sorting • Page navigation — jump to any page instantly, search text within any PDF • 6 stunning themes — Light, Dark, Warm, Kids, Senior, and Monochrome • 20+ languages — including full Arabic, Urdu, Hebrew, and Persian RTL support UNLOCK PRO FOR MORE POWER: • Unlimited bulk conversions — free users get 2 per day, Pro gets unlimited • PDF Compression — dramatically reduce PDF file sizes for easy sharing • Watermarks — add text or image watermarks to protect your documents • PDF Split — divide documents by page number or custom page ranges • WebP conversion — convert PDFs and images to modern WebP format • Create from scratch — build new PDF documents from a blank page • HEIC/HEIF support — convert Apple's native photo format to JPG or PDF • OCR Text Extraction — pull copyable, searchable text from scanned images and photos • Searchable PDF — transform any scanned PDF into a fully searchable document with OCR • Batch processing — convert or compress dozens of images at once • App Lock — protect your documents with PIN code, Face ID, or Touch ID PRIVACY & SECURITY: • 100% on-device processing — nothing is uploaded to any server, ever • No account required — download and start using immediately • No tracking, no analytics, no ads (Pro removes all ads) • iCloud and Google Backup support for your settings and preferences • Your documents are never accessed by anyone but you DESIGNED FOR EVERYONE: • Kids theme — bright, colorful interface designed for young students • Senior theme — extra-large text and high contrast for comfortable reading • 8 PDF reading modes — find the perfect setting for any lighting condition • Minimum 44px touch targets — easy to tap, even for users with motor difficulties • Full RTL support — seamless experience for Arabic, Hebrew, Urdu, and Persian speakers SUPPORTED FORMATS: PDF, JPG, JPEG, PNG, WebP, BMP, GIF, HEIC, HEIF Calm PDF is built for people who want a fast, reliable, and private PDF toolkit without the bloat of enterprise apps or the privacy concerns of cloud-based services. No subscriptions required — a lifetime purchase option is available for those who prefer to pay once. Download Calm PDF and take full control of your documents — calmly, privately, and beautifully.

Screenshots

Clear Wave4 screens
Calm PDF Image Toolkit4 screens

Verdict

The call

The clearest difference is iOS requirement: Calm PDF Image Toolkit at 15.0 against Clear Wave's 17.0. On price, ads, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Clear Wave sells 1 one-off in-app purchase and Calm PDF Image Toolkit sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Scorecard1 real difference · 8 level
Clear Wave versus Calm PDF Image Toolkit: the parameters behind the verdict, then further details
ParameterClear WaveCalm PDF Image Toolkit
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 2 months—
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.0 — better
Further details — not scored
Size15 MB54 MB
Age rating4+4+
DeveloperKamil DemirtasGokhan Alp Atar

In-app purchases

1 purchases

Clear Wave

One-time1
  • Lifetime Access$4.99
3 purchases

Calm PDF Image Toolkit

Subscriptions2
  • Calm PDF Pro$2.991 Month
  • Calm PDF Pro$19.991 Year
One-time1
  • Calm PDF Pro — Lifetime$39.99

Questions

Is Clear Wave free?
Clear Wave is free to download, with in-app purchases available.
Is Calm PDF Image Toolkit free?
Calm PDF Image Toolkit is free to download, with in-app purchases available.
Do Clear Wave or Calm PDF Image Toolkit have ads?
Neither Clear Wave nor Calm PDF Image Toolkit shows ads.

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