Comparison

Smart Image Resizer Pro vs SparkPDF

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

Head to head
About

Smart Image Resizer Pro

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Whether you're creating content for Instagram, developing a mobile app, or building a website, Smart Image Resizer provides instant access to all the image sizes you need. Social Media Presets - Instagram: Posts (1080×1080), Stories (1080×1920), Reels (1080×1920) - TikTok: Videos (1080×1920), Profile (200×200) - Facebook: Posts (1200×630), Covers (820×312), Profile (180×180) - YouTube: Thumbnails (1280×720), Channel Art (2560×1440) - Twitter/X: Posts (1200×675), Headers (1500×500) - LinkedIn: Posts (1200×627), Banners (1584×396) - Pinterest: Pins (1000×1500), Boards (600×600) Mobile App Development - iOS App Icons: Complete set (20pt-1024pt) for App Store submission - Mobile App Icons: All densities for cross-platform development - iOS Screenshots: All device sizes (iPhone 6.5"-6.7", iPad Pro) - Mobile Screenshots: Phone & tablet variants for all platforms - Flutter & React Native: Cross-platform icon sets Web & Desktop - PWA Icons: Progressive Web App manifests (16×16 to 512×512) - Favicons: Browser icons (16×16, 32×32, 180×180) - Website Assets: Headers, thumbnails, and responsive images - Custom Sizes: Any dimension you need **INTELLIGENT FEATURES** Project Templates - Built-in templates for iOS, Flutter, and Web apps - Save custom templates for recurring projects - Batch export entire icon sets with one click - Platform-specific validation and requirements checking Professional Image Editing - Text Overlay: Add custom text with rich formatting options - Multiple Fonts: 10+ professional font families - Text Styling: Font size, weight, color, alignment, rotation - Visual Effects: Drop shadows, backgrounds, opacity controls - Interactive Editing: Drag, position, and customize text elements Advanced Processing - High-Quality Algorithms: Cubic interpolation for crisp results - Alpha Channel Support: Perfect transparency preservation - Format Flexibility: PNG, JPEG, GIF, TIFF, WebP support - Batch Processing: Handle multiple images simultaneously - Smart Compression: Optimize file sizes without quality loss Asset Validation - Platform Compliance: iOS and mobile app guideline checking - Dimension Verification: Ensure correct sizes automatically - Format Validation: Catch errors before submission - Quality Warnings: Transparency, resolution, and size alerts **DESIGNED FOR PRODUCTIVITY** Intuitive Interface - Drag & Drop: Add images instantly from Finder - Live Preview: See results before processing - Quick Presets: One-click access to common sizes - Custom Dimensions: Manual width/height entry with aspect ratio lock - Recent History: Track processed images with undo/redo support Multi-Language Support - English, Spanish, German, Hindi - Traditional Chinese - Simplified Chinese - Japanese - Korean Native macOS Experience - Dark Mode: Beautiful interface in light and dark themes - Fast Performance: Optimized for Apple Silicon and Intel Macs - System Integration: Native file dialogs and window management - Memory Efficient: Process large images smoothly - Export Flexibility: Save to any folder location Content Creators & Influencers - Quickly resize photos for Instagram, TikTok, YouTube - Maintain perfect dimensions for every platform - Add text overlays and watermarks - Process batches of images for content campaigns Mobile & Web Developers - Generate complete app icon sets in seconds - Validate assets against iOS platform requirements - Create PWA and favicon packages - Export organized folder structures Marketing & Design Teams - Create social media assets at scale - Maintain brand consistency across platforms - Add text and branding to images - Batch process campaign materials Stop wasting time with online tools and complex software. Smart Image Resizer gives you exactly what you need: perfect images for every platform, processed locally on your Mac with professional quality and speed.

About

SparkPDF

Easily scan, sign, and fill PDF documents directly from your phone. This app offers a streamlined way to manage everyday document tasks, including merging files, organizing pages, and converting images to PDF. Enjoy a simple, clean, and fast mobile PDF workflow.

Highlights
  • Scan documents to PDF
  • Add signatures and stamps
  • Fill out forms
  • Manage pages (reorder, delete)
  • Merge PDFs
  • Convert images to PDF
  • Organize files
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SparkPDF turns your phone into a document scanner, PDF filler and signing tool. Scan paper into clean PDFs, fill them in, sign them and share them — no subscription required. The core PDF tools are free. Some export, save, share and print actions may include a short ad, or you can remove ads permanently with a one-time purchase. With SparkPDF, you can: • Scan documents into clear, sharp PDFs • Fill in PDFs by adding text and dates • Sign by drawing, typing, importing — or by scanning your real signature • Scan a real stamp and place it on any page • Merge several PDFs into one, or split one into separate files • Turn photos and images into PDFs • Add, reorder and delete pages • Search inside text-based PDFs to find the right page • Organize your files into folders • Open PDFs straight from Files and other apps • Read in fullscreen, with the whole screen for your page • Export, share and print finished documents SparkPDF adds what a document needs on top of the page — your signature, text, dates and stamps — so everyday paperwork gets finished on your phone rather than at a desk. Your documents stay with you. SparkPDF processes files directly on your device wherever possible, so personal, school and work paperwork stays under your control. Download SparkPDF and get your paperwork done. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Smart Image Resizer Pro4 screens
SparkPDF4 screens

Verdict

The call

The clearest difference is in-app purchases: SparkPDF at none against Smart Image Resizer Pro's 1. Smart Image Resizer Pro's advantage is ads (none vs shown) and device support (4 vs 2). On price 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. Smart Image Resizer Pro sells 1 one-off in-app purchase. SparkPDF asks for nothing beyond the download.

Scorecard3 real differences · 7 level
Smart Image Resizer Pro versus SparkPDF: the parameters behind the verdict, then further details
ParameterSmart Image Resizer ProSparkPDF
PriceFreeFree
Rating—5.0 (2 ratings) — better
Positive reviews—50.0% of reviews
Number of ratings—2 — better
Update frequency—Every 10 days
AdsNo — betterYes
In-app purchasesYesNo — better
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPod
Requires iOS13.013.0
Further details — not scored
Size26 MB111 MB
Age rating4+4+
Developerkin wah ChengMoetez Theiri

In-app purchases

1 purchases

Smart Image Resizer Pro

One-time1
  • Lifetime Access$4.99
None

SparkPDF

No in-app purchases

Questions

Is Smart Image Resizer Pro free?
Smart Image Resizer Pro is free to download, with in-app purchases available.
Is SparkPDF free?
SparkPDF is free to download, with no in-app purchases.
Do Smart Image Resizer Pro or SparkPDF have ads?
SparkPDF shows ads; Smart Image Resizer Pro does not.

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