SD vs PDFlexor
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SD
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Access Your Connected Street Dynamics Devices Anywhere, From the Palm of Your Hand. The SD:Portal app allows you to quickly access the most frequently used features from the browser-based Street Dynamics Web Portal. Update the messages, images, and animations displayed on all your 4G-connected Street Dynamics radar speed and messaging signs. As road conditions change, so can your signs. Monitor your entire fleet of connected devices, from radar speed signs and message trailers to traffic data collectors and more. Stay connected to your traffic safety ecosystem wherever you go. Set up and verify any new Street Dynamics device right from the app as you add it to your traffic safety ecosystem. ………………………… APP FEATURES: FOR ALL STREET DYNAMICS CONNECTED DEVICES: • See your entire collection of 4G-connected Street Dynamics devices displayed in list view. • View device location, connection status, model information, and serial numbers for every device in your fleet. • Adjust device settings for supported products (feature availability varies by device). • Perform initial setup and configuration of new 4G-connected Street Dynamics products right from the app. FOR STREET DYNAMICS MESSAGING SIGNS: • Select from a variety of preconfigured text messages, images, and animations to display. • Access the custom-configured messages, images, animations, and sequences that you have configured from the browser-based Web Portal. FOR STREET DYNAMICS DEVICES WITH TRAFFIC DATA COLLECTION: • View real-time traffic data information for each of your devices. • Adjust Traffic Data Collection setup. WORKS WITH THE FOLLOWING STALKER STREET DYNAMICS PRODUCTS WHEN THEY ARE EQUIPPED WITH 4G: • PMG, MC360, SAM 3, TDC 2, and, when paired with the Connected Radar Sensor, SAM, and SAM-R.
PDFlexor
Edit, convert, and organize PDF documents with a secure, all-in-one toolkit. Features include merging, splitting, page reordering, and conversion to various formats, with most operations processed locally for enhanced privacy.
- Merge and split PDF files
- Extract, delete, and reorder pages
- Convert PDFs to/from various formats
- Crop and resize PDF pages
- Compress PDF file size
- Local processing for enhanced security
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Master Your PDFs with Our Comprehensive Toolkit PDFlexor empowers you to effortlessly edit, convert, and manage your PDF documents with a comprehensive suite of features. Whether you need to merge, split, extract pages, reorder, rotate, convert, or crop PDFs, this app ensures your documents are handled with the utmost security. Local Processing for Maximum Security: Most PDF operations, such as merging, splitting, extracting, and deleting pages, are processed locally on your device. This design principle ensures that your sensitive documents never leave your device, providing an extra layer of security and privacy. No need to worry about external breaches or unauthorized access, as your documents remain under your sole control. Secure Office Conversions: For Office-related conversions (PDF to Word, Excel, PowerPoint, and vice versa), our app takes extra precautions. Files are securely uploaded to our server for processing. We employ state-of-the-art encryption and adhere to strict privacy policies to protect your data during transmission and processing. Once the conversion is complete, files are immediately deleted from our servers, ensuring that your information remains confidential and secure. Key Features: Organization: Merge PDFs: Combine multiple PDF files into a single, organized document. Split PDFs: Divide large PDFs into smaller, more manageable files based on specific page ranges. Extract Pages: Isolate and save specific pages from a PDF into a new document. Delete Pages: Remove unwanted pages from your PDFs permanently. Add Page Numbers: Enhance your documents by adding page numbers for easy reference. Reorder Pages: Rearrange the sequence of pages in your PDF to fit your needs. Rotate Pages: Adjust the orientation of pages to ensure they are displayed correctly. Insert Pages: Add new pages into your existing PDFs at any position. Multi-page Layout: Create PDFs with multiple pages per sheet for compact viewing. Viewing and Editing: Crop PDF Pages: Trim or remove unwanted margins from your PDF pages. Resize Pages: Change the size of your PDF pages to standard formats like A4 or Letter. Compress PDF: Reduce the file size of your PDFs for easier sharing and storage. Edit Metadata: Modify or remove metadata to protect your privacy. Remove Blank Pages: Automatically detect and delete empty pages from your documents. Overlay PDF: Superimpose one PDF onto another for layered content. Compare PDF: Compare the differences between two PDF files. Conversion: PDF to Image: Convert PDF pages into image files. Extract Images: Retrieve all embedded images from your PDFs. Extract Text: Convert PDF content into editable text formats. Images to PDF: Convert a collection of images into a single PDF document. URL to PDF: Capture web content directly into a PDF format. SVG to PDF: Transform SVG graphics into PDF files. CSV to PDF: Convert tabular data from CSV into a PDF document. RTF to PDF: Convert rich text format files into PDFs. PDF to RTF: Convert PDF content into editable RTF files. PDF to Word/Excel/PowerPoint: Convert your PDFs into editable Office formats. GIF/Excel/Word/PowerPoint to PDF: Convert various file types into PDFs. Security: Sign PDF: Electronically sign your PDFs for a secure and efficient workflow. Protect PDF: Secure your PDFs with passwords to prevent unauthorized access. Unlock PDF: Remove password protection from PDFs you own. Add Watermark: Protect your documents with text or image watermarks. Redact PDF: Safeguard sensitive information by blacking out text. Experience the power, flexibility, and security of our All-in-One PDF App and simplify your PDF tasks today! Download now and unlock the full potential of your PDF documents, with peace of mind knowing that your privacy and security are our top priorities. Terms of Service: https://pdfinity.ultraifun.com/agreements/termsOfUser.html Privacy Policy: https://pdfinity.ultraifun.com/agreements/privacy.html
Screenshots
Verdict
The clearest difference is in-app purchases: SD at none against PDFlexor's 4. PDFlexor's advantage is iOS requirement (13.0 vs 15.1). 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. PDFlexor sells 4 in-app purchases, starting at $1.99 per 7 days. SD asks for nothing beyond the download.
| Parameter | SD | PDFlexor |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | — | Every 3 days |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 13.0 — better |
| Further details — not scored | ||
| Size | 56 MB | 45 MB |
| Age rating | 4+ | 4+ |
| Developer | Applied Concepts Incorporated | Huizhou Jiqu Technology Co., Ltd. |
In-app purchases
SD
No in-app purchases
PDFlexor
- Weekly Membership$1.997 Days
- Monthly Membership$3.991 Month
- Annual Membership$14.991 Year
- Life Membership$29.99









