Comparison

PDF Size Reducer & Compressor vs Compresso

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

Head to head
About

PDF Size Reducer & Compressor

Features
Read full description

Is your PDF too big to email, upload or share? PDF Size Reducer makes large PDF files smaller in seconds, right on your iPhone or iPad. Just select a PDF, choose a compression level and tap Compress. You'll instantly see the original size, the new size and how much space you saved. Then share or save your file anywhere with one tap. WHY PDF SIZE REDUCER? โ€ข Fast & simple โ€“ Select, compress, done. No complicated settings. โ€ข Choose your quality โ€“ Low for maximum compression, Medium for a balance of size and clarity, or High for the best image quality. โ€ข Before & after comparison โ€“ See exactly how many MB you saved on every file. โ€ข Private by design โ€“ Your PDFs are processed on your device. Your documents are not uploaded to our servers. โ€ข Smart protection โ€“ If a PDF is already as small as it can be, your original file is kept unchanged. โ€ข Compression history โ€“ Find, re-share or recompress your recent files anytime. โ€ข Share anywhere โ€“ Send compressed PDFs via Mail, Messages, WhatsApp, or save them to Files and iCloud Drive. PERFECT FOR โ€ข Email attachments that exceed size limits โ€ข Uploading documents to job applications, school portals and government websites โ€ข Sending invoices, contracts, scanned documents and reports โ€ข Freeing up storage space on your device PDF SIZE REDUCER PRO Upgrade to Pro to unlock everything: โ€ข Unlimited compressions โ€ข High Quality mode โ€ข Batch compression โ€“ compress multiple PDFs at once and share them all together โ€ข PDF editing โ€“ rotate, reorder and delete pages before compressing โ€ข Full compression history Free users can compress 1 PDF per day. SUBSCRIPTION INFORMATION PDF Size Reducer Pro is available as an auto-renewable subscription. Payment will be charged to your Apple ID account at confirmation of purchase. The subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscription in your App Store account settings after purchase. Any unused portion of a free trial period, if offered, will be forfeited when you purchase a subscription. CONTACT & SUPPORT Need help or have a suggestion? Contact us: https://upbeat-animantarx-f5b.notion.site/SUPPORT-2ebee4e7706780c7a2d5c496801eed5b?source=copy_link Terms of Use: https://upbeat-animantarx-f5b.notion.site/PDF-Compressor-Terms-Conditions-2edee4e770678011bdecca736c82cdc0?source=copy_link Privacy Policy: https://upbeat-animantarx-f5b.notion.site/PDF-COMPRESSOR-Privacy-Policy-2edee4e7706780f1a67ef10873dadf7b?source=copy_link

About

Compresso

Features
Read full description

Compresso is the ultimate all-in-one toolkit to compress, convert, and manage your images, PDFs, and videos - completely offline. Save storage space, meet upload size limits, and keep your data 100% private. Whether you need to shrink a huge photo to an exact size, turn a video into a GIF, convert iPhone HEIC photos to JPG, or merge PDFs, Compresso does it all with a blazing-fast native engine and uncompromising quality. VIDEO TOOLS - Video to GIF: Turn any moment into a shareable GIF. Pick a clip (up to 5 seconds), choose the quality, and see the estimated size instantly. - Video to Images: Extract frames from a video as photos - one every second, or every few seconds - then save them to your album or a ZIP. SMART IMAGE COMPRESSION - Compress to a target size: Fit photos exactly under 100 KB, 200 KB, 500 KB, or 1 MB - perfect for forms, job portals, and email limits. - Compress by quality: Save up to 90% of storage space with WebP, JPG, or the original format. - Custom sliders for Quality, Resolution Scale, and DPI, with a real-time size estimate. CONVERT & RESIZE - HEIC to JPG: Convert iPhone photos to JPG so they open everywhere - websites, PCs, and any device. - Format Converter: Convert between WebP and JPG in a tap. - Resize Image: Resize by exact pixels or by percentage, with an optional aspect-ratio lock. POWERFUL PDF TOOLS - PDF Compression: Shrink PDF file sizes dramatically. - PDF to Images: Extract pages as high-quality WebP or JPG images. - Images to PDF: Combine photos into a perfectly fitted PDF with no white borders. - Combine PDFs: Merge multiple PDFs into one. BATCH & ARCHIVE - Images to ZIP / PDFs to ZIP: Package multiple files into a single ZIP for easy sharing. - Fast, multi-core processing handles massive batches effortlessly. SMART & PRIVATE - 100% offline - no internet required, total privacy. - Battery and thermal awareness protects your device during heavy jobs. - 16 languages supported. Download Compresso today and take full control of your images, PDFs, and videos. Make every file fit!

Screenshots

PDF Size Reducer & Compressor4 screens
Compresso4 screens

Verdict

The call

The clearest difference is in-app purchases: Compresso at none against PDF Size Reducer & Compressor's 2. Compresso also leads on iOS requirement (15.0 vs 17.0). PDF Size Reducer & Compressor's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. PDF Size Reducer & Compressor sells 2 in-app purchases, starting at $2.99 per 7 days. Compresso asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on November 13, 2026 and November 9, 2026 respectively.

Scorecard3 real differences ยท 3 level
PDF Size Reducer & Compressor versus Compresso: the parameters behind the verdict, then further details
ParameterPDF Size Reducer & CompressorCompresso
PriceFreeFree
Update frequencyEvery 3 weeksEvery 3 weeks
AdsNo โ€” betterYes
In-app purchasesYesNo โ€” better
DevicesiPhone, iPadiPhone, iPad, iPod โ€” better
Requires iOS17.015.0 โ€” better
Further details โ€” not scored
Size10 MB62 MB
Age rating4+4+
DeveloperBaris Mustafa Han UnluKIn Wa Lin

In-app purchases

2 purchases

PDF Size Reducer & Compressor

Subscriptions2
  • PDF Compress$2.997 Days
  • Smart Compression$5.991 Month
None

Compresso

No in-app purchases

Questions

Is PDF Size Reducer & Compressor free?
PDF Size Reducer & Compressor is free to download, with in-app purchases available.
Is Compresso free?
Compresso is free to download, with no in-app purchases.
Do PDF Size Reducer & Compressor or Compresso have ads?
Compresso shows ads; PDF Size Reducer & Compressor does not.
Which is updated more often, PDF Size Reducer & Compressor or Compresso?
PDF Size Reducer & Compressor ships an update every 3 weeks, and Compresso every 3 weeks. Most recently, PDF Size Reducer & Compressor was updated on November 13, 2026 and Compresso on November 9, 2026.

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