Pway Calc vs PDF Reader
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Pway Calc
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PWay Calc puts the calculations used on site, in the office and in the classroom into one place: cant, transitions, vertical curves and gradient. No spreadsheets, no scribbling in notebooks with a phone calculator. What's inside: Cant Maximum speed of a curve Stressing extension (CWR) Gradient Transition rate of change Transition design length Vertical acceleration Vertical curve length Track rake Each calculator uses the formulas and logic used in real design and site work, not a simplified version for teaching purposes. Free covers the core calculators. Track Essentials adds the common calculations used most, on site and day to day. Track Pro unlocks the full set, built for designers who need everything in one place. Who this is for P-way staff, track technicians, and designers who want to check a calculation quickly, on site, in the office, or in the classroom. If you already work with cant, transitions and vertical geometry, this replaces the spreadsheet you're currently using. What it isn't This isn't design software and it doesn't replace your standards or your company's approval process. It's a calculation tool, built to be fast and accurate, not a substitute for engineering judgement. I run The PWay Engineer, a YouTube channel and set of guides for people who work on or want to work on the railway. PWay Calc is part of the same aim: making the technical side of this job clearer and faster to work with.
PDF Reader
This app automatically finds and organizes all PDF files on your device, allowing you to view, edit, and share them. It offers features like highlighting, note-taking, and electronic signatures for efficient document management.
- Automatic PDF scanning and organization
- View, edit, and annotate PDFs
- Highlight text and add notes
- Electronic signatures and form filling
- Convert photos to PDFs
- Split and combine PDFs
- Password protection for documents
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PDF Reader is the perfect solution for you! It automatically scans your device, finds all PDF files and presents them in a convenient list. It allows you to open, browse and manage documents in one place in no time. Versatile PDF reader The app allows you to quickly read files in various formats - documents, receipts, photos, business cards and notes. In addition to reading, you can highlight text, take notes, add electronic signatures, bookmarks and share PDF files with other users. Download now and increase your efficiency! PDF Reader is a combination of a PDF viewer, e-book reader and PDF editor - lightweight, free and extremely user-friendly. Perfect for work and study! Download PDF Reader and use all the features for free! PDF Reader Key Features - Convenient document browsing - Browsing page by page or in continuous scrolling mode - Support for portrait and landscape orientation - Reflow mode for smooth reading - Quickly jump to the selected page - Search and copy text from a document - Intuitive zooming in and out of pages Fast and free PDF support - Automatic scanning and detection of PDF files in the phone's memory - Quickly search for documents and content by keywords - Clear lists of PDF files for easy access - Instantly open and browse documents - Add bookmarks to PDF pages - Light and dark mode switched with a single click PDF editing features - Highlighting text fragments with different colors - Creating notes and highlights (e.g. underline, strikethrough) - Adding electronic signatures and filling out PDF forms (coming soon) - Drawing directly on PDF documents - Creating annotations and comments - Copying any text fragments from documents Advanced PDF tools - Convert photos to PDFs - Split and combine PDFs - Add your own texts to PDFs - Compress PDFs to reduce size (feature in the works) Professional document management - Quick access to recently opened files - Password protection of documents against unauthorized access - Options to rename, delete and mark files as favorites - Easily share documents with other users - Support for printing PDFs directly from your phone
Screenshots
Verdict
The clearest difference is price: Pway Calc at Free against PDF Reader's $0.99. PDF Reader's advantage is in-app purchases (none vs 3) and iOS requirement (12.0 vs 16.3). On 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
Pway Calc is free to download; PDF Reader costs $0.99 up front. Pway Calc sells 3 one-off in-app purchases. PDF Reader asks for nothing beyond the download.
| Parameter | Pway Calc | PDF Reader |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | — | 4.0 (2 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | — | Every 2 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | — | Paid |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.3 | 12.0 — better |
| Further details — not scored | ||
| Size | 19 MB | 42 MB |
| Age rating | 4+ | 4+ |
| Developer | Carl Kohler | Grzegorz Rakoca |
In-app purchases
Pway Calc
- Track Essentials$19.99
- Pro Upgrade$19.99
- Track Pro$34.99
PDF Reader
No in-app purchases









