SDS Smart vs Compress PDF
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SDS Smart
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Access your custom (M)SDS inventory from your iOS device anywhere, anytime with the SDS Smart SDS App! Simple and easy to use, the SDS Smart SDS App is an ideal solution for workers on the go.
Compress PDF
Easily reduce the size of PDF files for better storage and sharing. This tool also allows you to resize pages to various standard formats and convert images or text into PDFs. Advanced features include OCR and annotation.
- PDF compression with adjustable quality
- Resize pages to standard and custom dimensions
- Convert photos and text to PDF
- Smart document scanner
- OCR for text extraction
- PDF annotation and markup
- Merge and extract PDF pages
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Compress PDFs and make PDFs smaller easily. Optimize PDFs for storage and sharing. Need to format a document for printing, work, or official submission? Resize PDF pages to A4, Letter, Legal, Tabloid, A3, and Custom Dimensions. Features: • Adjustable Quality: Use a simple slider to balance file size • Target Size: Set a goal size • Live Preview: Compare original vs. compressed file size instantly • Quick Share: Easily save to Files or share via email and messages • Smart Document Scanner: Capture and crop documents cleanly right from your camera • Photos to PDF: Convert your images and photos directly into a clean PDF document • Quick Text Creator: Convert plain text typed on your keyboard directly into flat, print-ready text documents • Advanced Organizer: Merge separate files together or cleanly extract specific pages into a new document • Live Text OCR: Instantly lift editable text directly out of captured images • PDF Markup: Annotate documents by drawing, highlighting, and adding text directly to the page PDFs are flattened during export. Text, links, and bookmarks will no longer be selectable. Free users: • Standard PDF Compression (1 per day) • Standard A4 Resizing (1 per day) • Photos to PDF conversion (1 per day) • Quick Text to PDF documents (1 per day) • PDF Markup & Annotation tools (1 per day) Premium unlocks: • Target File Size mode (specify KB/MB) • Merge separate PDFs together • Extract specific pages into a new file • Live Text OCR Extraction • Custom Page Sizer & All Page Formats • No Daily Limit Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://shotexstudio.com/compress-pdf-resize-pdf/ On-Device Processing: Private and secure—no files ever leave your phone.
Screenshots
Verdict
The clearest difference is in-app purchases: SDS Smart at none against Compress PDF's 5. SDS Smart also leads on iOS requirement (14.0 vs 17.6). On price, ads 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
Both are free to download. Compress PDF sells 3 in-app purchases, starting at $1.99 per 7 days. SDS Smart asks for nothing beyond the download.
| Parameter | SDS Smart | Compress PDF |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.7 (15 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 15 — better |
| Update frequency | — | Every 10 days |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 40 MB | 7 MB |
| Age rating | 4+ | 12+ |
| Developer | Bradley Smith | PremiumAi Limited |
In-app purchases
SDS Smart
No in-app purchases
Compress PDF
- 会员7 Days trial3 variants$1.997 Days
- 会员3 Days trial$1.997 Days
- Premium$4.99









