K vs PDF Master
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
K
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K-SPC is a mobile application tailored for photovoltaic (PV) grid-connected control boxes, focused on displaying the operational status of PV power stations in real time. It not only provides real-time fault alarms for devices such as collectors and electric meters but also offers detailed statistics on voltage, current, and power generation. With K-SPC, power station managers can instantly obtain and analyze the data on power generation and consumption, grasp the economic benefits of the station, and understand the health status of the equipment as well as the effects on energy saving and emission reduction.
PDF Master
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One App for All Your PDF Needs! PDF Master is your comprehensive all-in-one toolkit for editing, converting, scanning, and signing PDF documents. Whether youβre a student or a professional, bring desktop-class PDF power to your pocket! WHY PDF MASTER? β Advanced Editor: Edit text, crop images, rotate pages, or add page numbers with ease. β Fast Converter: Instantly convert PDF to Word, Excel, PowerPoint, and JPGβor vice-versa. β Smart Scanner (OCR): Turn paper documents into high-quality PDFs with Text Recognition (OCR). β Fill & Sign: Sign documents with your fingertip, add stamps, or fill out forms on the go. β Security & Privacy: Protect your PDFs with passwords or safely remove them when needed. β File Management: Merge multiple PDFs, split large files, or compress them to save space. CORE FEATURES: Merge & Split PDF Password Protect & Unlock PDF PDF to Office (Word, PPT, Excel) Image to PDF (JPG to PDF) Document Scanner & OCR Text Recognition Digital Signatures & Watermarks Page Numbering & Organization (Crop, Rotate, Delete) Repair Damaged PDF Files Solve complex PDF tasks in seconds with PDF Master. Subscribe for unlimited access, or simply watch a short ad to unlock premium tools for free! Eula: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: K at none against PDF Master's 3. K also leads on iOS requirement (11.0 vs 15.1). PDF Master's advantage is device support. On price there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. PDF Master sells 3 in-app purchases, starting at $4.99 per 7 days. K asks for nothing beyond the download.
| Parameter | K | PDF Master |
|---|---|---|
| Price | Free | Free |
| Ads | β | No |
| In-app purchases | No β better | Yes |
| Devices | β | iPhone, iPad, iPod β better |
| Requires iOS | 11.0 β better | 15.1 |
| Further details β not scored | ||
| Size | 33 MB | 48 MB |
| Age rating | 4+ | 4+ |
| Developer | Shenzhen Kstar Science & Technology Co., Ltd. | Ali Goktas |
In-app purchases
K
No in-app purchases
PDF Master
- Weekly$4.997 Days
- Yearly3 Days trial$29.991 Year
- Lifetime Pro Unlock$59.99









