Comparison

ENGEL e vs OELCHECK 4.0

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

Head to head
About

ENGEL e

This tool simplifies complex calculations for injection molders, including stroke volume, clamping force, cooling time, and screw speed. Get accurate results quickly and clearly displayed on a single page, eliminating the need for tedious manual computations.

Highlights
  • Calculate stroke volume
  • Determine clamping force
  • Estimate cooling time
  • Calculate screw speed
  • Clear, structured results display
  • Quick calculations
Features
Read full description

The ENGEL | e-calc app is a comprehensive tool for every injection moulder. With this tool you can very easily calculate stroke volume, clamping force, cooling time and the screw speed. Instead of making tedious calculations you 'll quickly receive the desired results within just a few clicks. These are displayed clearly structured on one page.

About

OELCHECK 4.0

Features
Read full description

The OELCHECK App 4.0 is the tool for our customers that enables them to quickly and easily enter sample data, view laboratory reports and manage machine data - at any time, even offline! You can find more information here: https://en.oelcheck.com/app With OELCHECK 4.0, you can enter your lubricant and operating fluid sample data in four simple steps: 1. Scan your machine's QR code or select machine/component. 2. Scan the barcode (laboratory number) from your printed Sample Information Form. 3. Add information about the sample 4. Confirm with β€˜Send’. There is no need to fill in the Sample Information Form by hand. Simply tick the box β€˜Sample information provided online’ on the printed Sample Information Form and enclose it with your lubricant or operating fluid sample. Your advantages at a glance - Easier: The machine is recognized automatically. - Faster: You only need to add a few details. - More modern: The data is entered via smartphone without pen and paper. - More efficient: You optimize your use of the all-inclusive analysis sets. Features in the login area - Sample entry: Simply scan the machine QR code or use the machine search function - Offline mode: Enter the data offline and transfer it as soon as you are online again. - Sample status check: Call up the status of your samples. - Sample photo: You can add up to five photos to a sample. - Lab report: View your last lab report for a sample entered with the app. Don't have a QR code sticker for your machine yet? You can create and print machine QR codes yourself in your user account under LAB.REPORT. On request, we can also send you your QR codes as practical, oil- and weather-resistant QR code stickers. Simply give us a call on +49(0)8034-9047-250 or send us an e-mail to: sales@oelcheck.de. Attach the QR code sticker to your machine directly near the sampling point. To use the app you need: - All-inclusive analysis kit from OELCHECK (available at https://en.oelcheck.com/shop) - A free user account with LAB.REPORT - Supported languages: German, English Not yet an OELCHECK customer? Visit our website https://en.oelcheck.com to find out more about our test methods and our comprehensive range of all-inclusive analysis kits for the professional testing and evaluation of lubricants and operating fluids from a wide variety of applications.

Screenshots

ENGEL e4 screens
OELCHECK 4.04 screens

Verdict

The call

The clearest difference is iOS requirement: ENGEL e at 13.0 against OELCHECK 4.0's 15.0. On price, update cadence, ads and in-app purchases 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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

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

UpkeepUpdate frequency

ENGEL e ships an update every 4 months, OELCHECK 4.0 every 3 months. The most recent releases landed on July 3, 2026 and September 8, 2026 respectively.

Scorecard1 real difference Β· 7 level
ENGEL e versus OELCHECK 4.0: the parameters behind the verdict, then further details
ParameterENGEL eOELCHECK 4.0
PriceFreeFree
Positive reviews25.0% of reviewsβ€”
Update frequencyEvery 4 monthsEvery 3 months β€” better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeβ€”
DevicesiPhone, iPad, iPod β€” betteriPhone, iPod
Requires iOS13.0 β€” better15.0
Further details β€” not scored
Size29 MB24 MB
Age rating4+4+
DeveloperENGEL AUSTRIA GmbHOELCHECK GmbH

In-app purchases

None

ENGEL e

No in-app purchases

None

OELCHECK 4.0

No in-app purchases

Questions

Is ENGEL e free?
ENGEL e is free to download, with no in-app purchases.
Is OELCHECK 4.0 free?
OELCHECK 4.0 is free to download, with no in-app purchases.
Do ENGEL e or OELCHECK 4.0 have ads?
Neither ENGEL e nor OELCHECK 4.0 shows ads.
Which is updated more often, ENGEL e or OELCHECK 4.0?
ENGEL e ships an update every 4 months, and OELCHECK 4.0 every 3 months. Most recently, ENGEL e was updated on July 3, 2026 and OELCHECK 4.0 on September 8, 2026.

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