Comparison

INCHSTONE OPC Browser vs PDF Master

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

INCHSTONE OPC Browser

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At INCHSTONE, we make working with OPC UA data more convenient. With INCHSTONE OPC Browser, you can explore the OPC UA Information Model, mark favourite datapoints, and transfer them into INCHSTONE's IoT configurator to create user layouts for the INCHSTONE IoT App. The App is available for desktop and mobile devices and can be used for monitoring your OPC UA Servers.

About

PDF Master

Features
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Meet all your PDF needs in one place with our PDF viewer and creator app! Quickly open, view, and edit your documents. Create new PDF files or merge and split existing ones. Easily create PDFs from photos and scanned documents. Our app features: PDF Opening and Viewing: Open all PDF files quickly and smoothly. PDF Creator: Create a blank document or create PDF files from images. PDF Editing: Merge, split, and reorder documents. Image to PDF: Convert photos or scanned documents to PDF. Light/Dark Theme: Choose a theme to reduce eye strain. Multi-Language Support: Use Turkish and English language options. Easy Sharing: Share your PDF files via email, social media, or other apps. User-Friendly Interface: Simple, fast, and intuitive design. PDF management is now super easy! Manage your documents anywhere with this app, ideal for business or personal use. Download now and enhance your PDF experience! Translated with DeepL.com (free version)

Screenshots

INCHSTONE OPC Browser4 screens
PDF Master4 screens

Verdict

The call

The clearest difference is update cadence: PDF Master at every 5 days against INCHSTONE OPC Browser's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

INCHSTONE OPC Browser ships an update every 3 months, PDF Master every 5 days. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

Scorecard1 real difference ยท 5 level
INCHSTONE OPC Browser versus PDF Master: the parameters behind the verdict, then further details
ParameterINCHSTONE OPC BrowserPDF Master
PriceFreeFree
Update frequencyEvery 3 monthsEvery 5 days โ€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.014.0 โ€” better
Further details โ€” not scored
Size126 MB11 MB
Age rating4+4+
DeveloperINCHSTONE GmbHRedania Studio Limited

In-app purchases

None

INCHSTONE OPC Browser

No in-app purchases

None

PDF Master

No in-app purchases

Questions

Is INCHSTONE OPC Browser free?
INCHSTONE OPC Browser is free to download, with no in-app purchases.
Is PDF Master free?
PDF Master is free to download, with no in-app purchases.
Do INCHSTONE OPC Browser or PDF Master have ads?
Neither INCHSTONE OPC Browser nor PDF Master shows ads.
Which is updated more often, INCHSTONE OPC Browser or PDF Master?
INCHSTONE OPC Browser ships an update every 3 months, and PDF Master every 5 days. Most recently, INCHSTONE OPC Browser was updated on November 4, 2026 and PDF Master on November 5, 2026.

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