Comparison

Cuspart 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

Cuspart

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Versatile Image Conversion Application Effortlessly convert your visual files with extensive format support! Transform files in PNG, JPEG, or WebP formats into PDF, BMP, EPS, GIF, ICO, TIFF, WEBP, and more, or quickly generate high-quality icons. Achieve the conversions you need swiftly and easily with a single touch! *Supported Conversion Options: PNG: Convert to JPEG, PDF, BMP, EPS, GIF, ICO, TIFF, WebP, and more. JPEG: Convert to PNG, PDF, BMP, EPS, GIF, ICNS, ICO, TIFF, WebP, and PS formats. WebP: Convert to PNG, PDF, BMP, EPS, GIF, ICNS, ICO, TIFF, JPEG, and PS formats. - Quality and Speed Combined Our application provides high-resolution support for conversions, allowing you to change file formats without sacrificing image quality. Conversions are completed quickly, saving you valuable time. - Instant Preview and Easy Sharing Instantly preview your converted images within the app or share them swiftly on your preferred platform. - Reliable and Flexible Usage Our app operates entirely locally, ensuring your data remains private and secure. Experience a professional, user-friendly experience with each conversion, allowing you to safely manage and store your images.

About

Calm PDF Image Toolkit

Features
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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

Cuspart4 screens
Calm PDF Image Toolkit4 screens

Verdict

The call

The clearest difference is ads: Calm PDF Image Toolkit at none against Cuspart's shown. On price, in-app purchases, device support and iOS requirement 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. Cuspart sells 6 one-off in-app purchases 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 · 5 level
Cuspart versus Calm PDF Image Toolkit: the parameters behind the verdict, then further details
ParameterCuspartCalm PDF Image Toolkit
PriceFreeFree
Update frequencyMonthly—
AdsYesNo — better
In-app purchasesYesYes
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.015.0
Further details — not scored
Size16 MB54 MB
Age rating4+4+
DeveloperMustafa Tolga DALBUDAKGokhan Alp Atar

In-app purchases

6 purchases

Cuspart

One-time6
  • Espresso$0.99
  • Flat White$1.99
  • Caffè Americano$2.49
Show 3 more
  • Caffè Mocha$2.99
  • Classic Hot Chocolate$3.49
  • Special Hot Chocolate$3.99
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 Cuspart free?
Cuspart 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 Cuspart or Calm PDF Image Toolkit have ads?
Cuspart shows ads; Calm PDF Image Toolkit does not.

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