Comparison

E vs Scanner App

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

Head to head
About

E

Control and monitor Gema OptiStar 4.0 electrostatic coating equipment in real time. View and adjust coating parameters, track productivity data, and manage equipment configuration. Includes automated firmware updates and diagnostic reporting.

Highlights
  • Real-time equipment control
  • Coating parameter adjustment
  • Productivity data monitoring
  • Data export to PDF
  • Maintenance countdown timers
  • Automated firmware updates
  • Diagnostic data retrieval
Features
Read full description

With the useful functions of Gema‘s Electrostatic App you control and monitor your Gema OptiStar 4.0 equipment in real time: Application: All essential OptiStar 4.0 coating parameters are clearly visible on a Smart Device and can be directly adjusted and controlled. Designed for use with manual or automated Gema equipment. Line Management: View coating process productivity data on the device, and export the data in a PDF file. Important statistics and cost calculations from production are automatically generated. Maintenance countdown timers can easily be viewed at the touch of a button. Setup: With this function the configuration of the OptiStar 4.0 is defined. For automated equipment use, OptiStar 4.0 can be controlled as single device or in a group of control units. System information and diagnostic data are easily retrievable and can be sent via e-mail. The automated firmware update keeps your OptiStar 4.0 up to date.

About

Scanner App

Features
Read full description

SCAN PDF DOCUMENT The Fastest Way to Scan, Sign and Share Turn your phone into a professional document scanner in seconds. Whether you are a student, freelancer or office professional, Scan PDF Document gives you everything you need to go paperless. SCAN ANYTHING, INSTANTLY Point your camera at any document and get a crystal-clear PDF in seconds. Auto edge detection, smart cropping and image enhancement do all the work for you. No blur. No shadows. Just perfect scans every time. OCR TEXT RECOGNITION Extract text from any scanned document with powerful OCR technology. Search, copy and edit content from your PDFs without retyping a single word. SIGN DOCUMENTS IN SECONDS Stop printing just to sign. Draw your signature directly on screen, upload an image, or type your name in a handwritten style. Place it anywhere on the document and send. EXPORT YOUR WAY Save and share your documents in the format you need. PDF for universal compatibility Excel and CSV for invoice data Word for editable documents JPG for quick image sharing ORGANIZE EVERYTHING Smart folders automatically sort your documents by type. Find any file instantly with full-text search across your entire library. Tag documents by client, project or date. SCAN PDF DOCUMENT PRO Unlock the full experience with Pro. Unlimited scans Export to Excel and CSV Works offline. Your documents never leave your device without your permission. Scan PDF Document. Less paper. More done. Terms of Use (EULA): https://sites.google.com/view/lilyterms Privacy Policy: https://lilylabsapp.github.io/lilylabs

Screenshots

E4 screens
Scanner App4 screens

Verdict

The call

The clearest difference is in-app purchases: E at none against Scanner App's 2. Scanner App's advantage is update cadence (fortnightly vs every 9 months) and iOS requirement (12.0 vs 14.3). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Scanner App sells 2 in-app purchases, starting at $2.99 per month. E asks for nothing beyond the download.

UpkeepUpdate frequency

E ships an update every 9 months, Scanner App fortnightly. The most recent releases landed on October 5, 2026 and October 6, 2026 respectively.

Scorecard3 real differences · 7 level
E versus Scanner App: the parameters behind the verdict, then further details
ParameterEScanner App
PriceFreeFree
Rating2.7 (7 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings7 — better—
Update frequencyEvery 9 monthsFortnightly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPodiPhone, iPod
Requires iOS14.312.0 — better
Further details — not scored
Size108 MB75 MB
Age rating4+4+
DeveloperGema Switzerland GmbHNguyen Thi My

In-app purchases

None

E

No in-app purchases

2 purchases

Scanner App

Subscriptions2
  • Upgrade Monthly$2.991 Month
  • Upgrade Yearly$12.991 Year

Questions

Is E free?
E is free to download, with no in-app purchases.
Is Scanner App free?
Scanner App is free to download, with in-app purchases available.
Do E or Scanner App have ads?
Neither E nor Scanner App shows ads.
Which is updated more often, E or Scanner App?
E ships an update every 9 months, and Scanner App fortnightly. Most recently, E was updated on October 5, 2026 and Scanner App on October 6, 2026.

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