Smart PDF Compressor vs PDF Compressor
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Smart PDF Compressor
Read full descriptionHide full description
Smart PDF Compressor is a free, offline PDF compressor for iPhone and iPad that helps anyone emailing, uploading or storing a PDF dramatically reduce file size (for example, shrinking an 8-page scan from 5.6 MB to 669 KB, 88.1% smaller) ā without the file ever leaving the device. ALL PROCESSING IS LOCAL Your documents never leave your device. No internet connection required, no cloud uploads, no data collection. Complete privacy guaranteed. KEY FEATURES - Target Size Mode: Pick an exact target file size (25 MB, 10 MB, 5 MB, 2 MB, or custom) to fit email and upload limits - Keep Text & Links Selectable: Preserves original text, hyperlinks, and document structure by default - Size Estimates First: See the estimated size for each option before you compress - Three Presets: Best quality, Balanced (recommended) and Smallest file - Advanced Options: 1-bit black & white mode, optional OCR text recognition, resolution override (72ā300 DPI), and metadata removal - Smart Compression: Automatically detects scanned vs. digital pages and applies suitable settings - Batch Compression: Compress multiple PDFs at once with progress tracking - Share as ZIP: Bundle several compressed PDFs into one ZIP archive and name it before you share - Side-by-Side Preview: Compare original and compressed pages before saving - File History: Browse, preview, rename, and share all your compressed files - Appearance & Languages: Light/Dark mode and support for English, German, French, Japanese, and Korean - Works on iPhone and iPad HOW IT WORKS 1. Tap Choose PDF and pick a file from Files 2. Choose a preset or set a target size ā see estimated results before compressing 3. Tap Compress PDF and see the exact before and after sizes 4. Share or save your compressed PDF, or send several as one ZIP PERFECT FOR - Reducing email attachment sizes - Fitting strict upload limits on portals and government forms - Saving storage space on your device - Compressing scanned receipts, contracts, and books - Preparing files for sharing via messaging apps Smart PDF Compressor uses advanced on-device image processing and structure-preserving optimization to deliver fast, reliable compression without sacrificing readability.
PDF Compressor
Read full descriptionHide full description
Make any PDF small enough to send. Pick a size (5 MB, 10 MB, anything) and PDF Compressor hits it. No guessing between "low, medium, high" quality settings, and no uploading your documents to someone's server: compression runs entirely on your iPhone and iPad. WHY PDF COMPRESSOR ⢠Exact size targets: tap 1, 2, 5, 10 or 25 MB, or type any number you want with Premium. The result fits the limit every time. ⢠100% offline and private: your contracts, scans and statements never leave the device. No uploads, no account, no tracking. ⢠Keeps text sharp: smart mode preserves selectable, searchable text whenever possible, and tells you when it did. ⢠Preview before you send: open the compressed PDF right in the app and check the quality, with the exact savings on the row. ⢠Batch mode: compress up to 20 PDFs in one run (Premium). ⢠Works everywhere: pick files from the Files app, or send a PDF straight from Mail with "Open in PDF Compressor". ⢠Savings history: track every megabyte you have freed, day by day. MADE FOR ⢠Emailing scans that are over the attachment limit ⢠Uploading documents to portals with strict size caps ⢠Sending contracts and reports through chat apps ⢠Archiving old scans without filling your storage FREE EVERY DAY One PDF a day, up to 20 MB, at full quality. No watermark, no sign-up, no ads. PDF COMPRESSOR PREMIUM Any file size, unlimited compressions, batch mode up to 20 files, custom size targets and PDF info removal. Premium is available as a weekly or yearly auto-renewable subscription. Subscriptions auto-renew until canceled. Cancel anytime in your Apple ID Subscriptions settings at least 24 hours before the renewal date. Privacy policy: https://app.innovaapps.ai/privacy Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula
Screenshots
Verdict
The clearest difference is in-app purchases: Smart PDF Compressor at none against PDF Compressor's 2. Smart PDF Compressor also leads on update cadence (every 10 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. PDF Compressor sells 2 in-app purchases, starting at $4.99 per 7 days. Smart PDF Compressor asks for nothing beyond the download.
Smart PDF Compressor ships an update every 10 days, PDF Compressor every 2 months. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.
| Parameter | Smart PDF Compressor | PDF Compressor |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 10 days ā better | Every 2 months |
| Ads | No | No |
| In-app purchases | No ā better | Yes |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.0 | 17.0 ā better |
| Further details ā not scored | ||
| Size | 4 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Quan Dang | Alex Gameli Heyman |
In-app purchases
Smart PDF Compressor
No in-app purchases
PDF Compressor
- Weekly$4.997 Days
- Yearly$24.991 Year
Questions
Is Smart PDF Compressor free?
Is PDF Compressor free?
Do Smart PDF Compressor or PDF Compressor have ads?
Which is updated more often, Smart PDF Compressor or PDF Compressor?
Other comparisons















