Comparison

Image Compressor ° CompressKit vs Photo to pdf

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

Head to head
About

Image Compressor ° CompressKit

Effortlessly reduce the size of your photos without sacrificing visual quality. This tool offers multiple compression levels and batch processing to quickly free up device storage and optimize images for sharing or cloud backup.

Highlights
  • Multiple compression levels
  • Batch photo processing
  • Real-time preview
  • Space savings tracker
  • Automatic saving to Photos library
  • Intuitive iOS interface
Features
Read full description

Reduce your photo file sizes without compromising quality. CompressKit intelligently compresses your images to free up valuable storage space on your device while maintaining visual clarity. Key Features: Multiple compression levels: Low, Standard, and High compression modes Batch processing: Compress multiple photos at once Real-time preview: See estimated file size reduction before compressing Space savings tracker: Monitor total storage space recovered Seamless integration: Compressed photos are automatically saved to your Photos library Clean, intuitive interface designed for iOS How It Works: Simply select the photos you want to compress, choose your preferred compression level, and let CompressKit do the work. The app uses advanced algorithms to reduce file sizes while preserving image quality. Perfect for freeing up storage space, preparing images for sharing, or optimizing photos for cloud backup. Compression Options: Low Compression: Minimal size reduction with maximum quality preservation Standard Compression: Balanced approach for everyday use High Compression: Maximum space savings for storage optimization Perfect For: Users running low on device storage Preparing images for email or messaging Optimizing photos for cloud storage Reducing data usage when sharing photos Organizing large photo collections CompressKit makes photo compression simple and efficient. Download now and start reclaiming your device storage space. Subscription Information: CompressKit offers a premium subscription that unlocks unlimited photo compression, all compression levels, and advanced algorithms. Free users can compress up to 3 photos at a time using Low compression mode. Terms of service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy policy: https://www.iubenda.com/privacy-policy/47498420

About

Photo to pdf

Read full description

Skip the complex desktop tools. With "Photo to pdf: ShotDocu", you can turn pdf photos, scans, and images into polished multi-page PDFs in seconds - right on your iPhone. Whether it’s receipts, homework, notes, or contracts, "Photo to pdf: ShotDocu" keeps your documents and pdf photos organized, compact, and easy to share anywhere. Traveling without documents? Photo to pdf: ShotDocu saves time and storage, so you can get more done on the go. What you can do: - One-tap to PDF - Convert JPGs, pdf photos, and other images to high-quality PDFs instantly. No setup, no learning curve. - Clean mobile scans - Capture documents, receipts, or notes and get crisp, professional-looking PDFs. - Combine & organize fast - Merge multiple images, reorder pages, and create one tidy file ready to send. - Right-size every file - Choose quality level to balance clarity and file size — perfect for email and cloud uploads. - Always with you - iCloud sync keeps documents updated across your Apple devices. - Share in a tap - Send via email, iMessage, AirDrop, or save to your favorite cloud. Why go Pro? Unlock more convenience with Photo to pdf: ShotDocu Pro: - Unlimited document creations - Advanced optimization levels - iCloud synchronization - An ad-free experience with no interruptions Download "Photo to pdf: ShotDocu" today and simplify your document workflow. ShotDocu Privacy Policy - https://maartinj.notion.site/ShotDocu-Privacy-Policy-24587c79476f8073bb13e876ca14df01 Terms of Use - https://www.apple.com/legal/internet-services/itunes/dev/stdeula

Screenshots

Image Compressor ° CompressKit3 screens
Photo to pdf4 screens

Verdict

The call

The clearest difference is update cadence: Photo to pdf at every 3 days against Image Compressor ° CompressKit's fortnightly. Image Compressor ° CompressKit's advantage is iOS requirement (16.4 vs 18.5). 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. Image Compressor ° CompressKit sells 2 in-app purchases, starting at $2.99 per 7 days and Photo to pdf sells 2 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Image Compressor ° CompressKit ships an update fortnightly, Photo to pdf every 3 days. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

Scorecard2 real differences · 8 level
Image Compressor ° CompressKit versus Photo to pdf: the parameters behind the verdict, then further details
ParameterImage Compressor ° CompressKitPhoto to pdf
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyFortnightlyEvery 3 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhoneiPhone
Requires iOS16.4 — better18.5
Further details — not scored
Size6 MB27 MB
Age rating+44+
DeveloperFrancesco PacielloMarcin Jedrzejak

In-app purchases

2 purchases

Image Compressor ° CompressKit

Subscriptions2
  • Unlimited access$2.997 Days
  • Unlimited access$19.991 Year
2 purchases

Photo to pdf

Subscriptions1
  • Premium Weekly3 Days trial$5.997 Days
One-time1
  • Unlimited access$29.99

Questions

Is Image Compressor ° CompressKit free?
Image Compressor ° CompressKit is free to download, with in-app purchases available.
Is Photo to pdf free?
Photo to pdf is free to download, with in-app purchases available.
Do Image Compressor ° CompressKit or Photo to pdf have ads?
Neither Image Compressor ° CompressKit nor Photo to pdf shows ads.
Which is updated more often, Image Compressor ° CompressKit or Photo to pdf?
Image Compressor ° CompressKit ships an update fortnightly, and Photo to pdf every 3 days. Most recently, Image Compressor ° CompressKit was updated on October 30, 2026 and Photo to pdf on October 28, 2026.

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