Comparison

OELCHECK 4.0 vs mPS Master Audit

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

Head to head
About

OELCHECK 4.0

Streamline lubricant and operating fluid sample management. Easily enter data, view lab reports, and manage machine information anytime, even offline. Optimize your analysis kits with this efficient digital tool.

Highlights
  • Sample data entry via QR code or machine search
  • Offline data entry and online synchronization
  • View sample status and lab reports
  • Attach up to five photos per sample
  • Manage machine data
  • Optimized analysis kit usage
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 ‘Send’. There is no need to fill in the Sample Information Form by hand. Simply tick the box ‘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.

About

mPS Master Audit

Features
Read full description

With this Master Audit application, you can: - Incorporate audits of different types such as Gemba Walks, Health and Safety Audits, Quality, Environment…. - The product allows you to detail the standard of how things should be by means of pictures and descriptions for each criterion, facilitating the auditor’s job - It also includes action plans, photos, and videos of the anomalies you see during the Audit Have all your audits from multiple departments in one place and maximize the efforts in the audit process. mlean® is one of the world's leading companies in continuous improvement software. Headquartered in Valladolid, Spain, it has been helping to manage the shop floor of industrial operations since 2014. Our products are for industry leaders that want to transform the knowledge collected from connected workers into sustainable environments. Connecting people’s innate abilities to the factory processes, boosting productivity, and speeding up decisions toward excellence are on us. This digital approach enables our customers to unleash the power of their teams, be part of the company’s strategy, and leave a positive impact on our environment with zero paper and improved efficiency. While data and AI solutions are just the fuel, people are the launch pad for a safer, more efficient, and better world. At mlean, the future is digitally human. Visit www.mlean.com

Screenshots

OELCHECK 4.04 screens
mPS Master Audit4 screens

Verdict

The call

The clearest difference is update cadence: mPS Master Audit at every 2 weeks against OELCHECK 4.0's every 3 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

OELCHECK 4.0 ships an update every 3 months, mPS Master Audit every 2 weeks. The most recent releases landed on October 9, 2026 and October 18, 2026 respectively.

Scorecard1 real difference · 7 level
OELCHECK 4.0 versus mPS Master Audit: the parameters behind the verdict, then further details
ParameterOELCHECK 4.0mPS Master Audit
PriceFreeFree
Positive reviews33.3% of reviews—
Update frequencyEvery 3 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.0 — better16.0
Further details — not scored
Size24 MB25 MB
Age rating4+4+
DeveloperOELCHECK GmbHMobile Lean S.L.

In-app purchases

None

OELCHECK 4.0

No in-app purchases

None

mPS Master Audit

No in-app purchases

Questions

Is OELCHECK 4.0 free?
OELCHECK 4.0 is free to download, with no in-app purchases.
Is mPS Master Audit free?
mPS Master Audit is free to download, with no in-app purchases.
Do OELCHECK 4.0 or mPS Master Audit have ads?
Neither OELCHECK 4.0 nor mPS Master Audit shows ads.
Which is updated more often, OELCHECK 4.0 or mPS Master Audit?
OELCHECK 4.0 ships an update every 3 months, and mPS Master Audit every 2 weeks. Most recently, OELCHECK 4.0 was updated on October 9, 2026 and mPS Master Audit on October 18, 2026.

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