Comparison

GCTS gTest vs PDF Assistant:PDF Scanner App

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

Head to head
About

GCTS gTest

Features
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This app functions as the user interface for the GCTS SCON-S based machines and Data Cube and allows the user to perform automatic control and data acquisition tests either performing pre-defined standard tests or custom-defined Universal Stages. Users can customize several parameters to better suit their needs.

About

PDF Assistant:PDF Scanner App

Features
Read full description

PDF Assistant is a powerful document scanning tool that transforms your paper documents into digital files with ease. Capture, organize, and manage your documents right from your phone. Document Scanning Use your camera to scan paper documents quickly. The app automatically detects document edges and captures clear, high-quality images ready for conversion. ID Card Scanning Scan both sides of ID cards or other credentials in a guided two-step process. The app helps you position each side correctly for accurate capture. Photo Import Select existing images from your photo library and convert them into PDF documents. Great for digitizing receipts, notes, or any paper documents you have already photographed. PDF Generation Convert your scanned images into PDF files instantly. Adjust brightness, contrast, and apply filters to enhance document readability before saving. Document Management Organize your scanned files into folders, search through your documents, and access recently deleted items when needed. Keep your digital documents tidy and easy to find. Start scanning today and keep all your important documents at your fingertips. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://lxjuay.xyz/pdfzhushou/privacy.html

Screenshots

GCTS gTest4 screens
PDF Assistant:PDF Scanner App3 screens

Verdict

The call

The clearest difference is update cadence: GCTS gTest at every 2 weeks against PDF Assistant:PDF Scanner App's every 5 months. On price, ads, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

GCTS gTest ships an update every 2 weeks, PDF Assistant:PDF Scanner App every 5 months. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

Scorecard1 real difference · 5 level
GCTS gTest versus PDF Assistant:PDF Scanner App: the parameters behind the verdict, then further details
ParameterGCTS gTestPDF Assistant:PDF Scanner App
PriceFreeFree
Update frequencyEvery 2 weeks — betterEvery 5 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better16.0
Further details — not scored
Size145 MB3 MB
Age rating4+4+
DeveloperGCTS Testing Systems雪娟 柳

In-app purchases

None

GCTS gTest

No in-app purchases

None

PDF Assistant:PDF Scanner App

No in-app purchases

Questions

Is GCTS gTest free?
GCTS gTest is free to download, with no in-app purchases.
Is PDF Assistant:PDF Scanner App free?
PDF Assistant:PDF Scanner App is free to download, with no in-app purchases.
Do GCTS gTest or PDF Assistant:PDF Scanner App have ads?
Neither GCTS gTest nor PDF Assistant:PDF Scanner App shows ads.
Which is updated more often, GCTS gTest or PDF Assistant:PDF Scanner App?
GCTS gTest ships an update every 2 weeks, and PDF Assistant:PDF Scanner App every 5 months. Most recently, GCTS gTest was updated on November 7, 2026 and PDF Assistant:PDF Scanner App on October 30, 2026.

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