ESTAR Enduser vs Scan2PDF
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
ESTAR Enduser
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ESTAR is a mobile application developed by for owners of distributed PV power plants, There are more functions, such as module-level monitoring, real-time data display for both plant-level & module-level as well as daily, monthly, annual, and total energy display. Furthermore, you can easily see the alarm information with the equipment, which could assist the owner in monitoring the operation of the PV power plant, ensuring normal operation of the power plant and obtaining of the expected yield.
Scan2PDF
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Scan, edit, sign, and manage all your PDF documents for free! Scan2PDF is your all-in-one PDF toolkit for iPhone and iPad. Scan documents, edit PDFs, add signatures, merge files, and organize your documents in just a few taps. 100% FREE. NO ADS. NO SUBSCRIPTIONS. Unlike many PDF scanner apps, Scan2PDF gives you access to every feature completely free of charge. SCAN DOCUMENTS β’ Scan documents using your camera. β’ Scan multiple pages into a single PDF. β’ Import PDFs, photos, and images. β’ Convert images into PDF documents. EDIT YOUR PDF FILES β’ Rearrange pages with drag and drop. β’ Rotate PDF pages. β’ Delete unwanted pages. β’ Extract pages to create new PDF files. β’ Add pages to existing documents. β’ Undo and redo your changes. SIGN PDF DOCUMENTS β’ Draw your signature using your finger or Apple Pencil. β’ Add signatures directly to PDF documents. β’ Move and resize signatures with ease. β’ Save signatures for future use. MERGE & COMPRESS PDF FILES β’ Combine multiple PDFs into one document. β’ Reduce PDF file sizes. β’ Choose between three compression levels. β’ Add custom text watermarks to your PDFs. ORGANIZE YOUR DOCUMENTS β’ Create folders to organize your PDF files. β’ Quickly find documents using search. β’ Rename, duplicate, move, and share your files. β’ Restore deleted documents from the trash. YOUR DOCUMENTS STAY PRIVATE Your privacy is our priority. β’ No account required. β’ No documents uploaded to servers. β’ No mandatory cloud storage. β’ No subscriptions. β’ No advertisements. β’ All PDF processing happens directly on your device. Your documents belong to you and remain under your control. DESIGNED FOR IPHONE & IPAD Enjoy a clean, fast, and intuitive interface optimized for your Apple devices. Whether you need to scan a receipt, sign a contract, merge documents, or edit a PDF, Scan2PDF makes everyday document management simple. Download Scan2PDF today and enjoy all your PDF tools for free, without compromising your privacy.
Screenshots
Verdict
The clearest difference is update cadence: ESTAR Enduser at every 6 weeks against Scan2PDF's every 5 months. ESTAR Enduser also leads on iOS requirement (14.0 vs 17.6). On price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.
ESTAR Enduser ships an update every 6 weeks, Scan2PDF every 5 months. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.
| Parameter | ESTAR Enduser | Scan2PDF |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks β better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 14.0 β better | 17.6 |
| Further details β not scored | ||
| Size | 51 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | JUAN WANG | Alexis Louis |
In-app purchases
ESTAR Enduser
No in-app purchases
Scan2PDF
No in-app purchases









