Comparison

DR. KAISER vs PUWER Assessment

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

Head to head
About

DR. KAISER

Features
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The new DR. KAISER app makes it possible to calculate all relevant parameters related to dressing and grinding. The app is aimed at inexperienced users as well as experts. Guided-Mode The new Guided-Mode guides you step-by-step through the selection of the optimal dressing parameters for your grinding application. Expert mode The Expert-Mode supports experienced users in the calculation of dressing parameters. Export function All calculated parameters can be exported and archived as a PDF file. For this purpose, the app offers the option of providing the calculated parameters with information on the user, machine and application. Multilingual The app can be set to different languages to provide full functionality to all users. Metric and imperial system All parameters can be calculated in metric or imperial system, so that all users can work with their preferred units.

About

PUWER Assessment

Features
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PUWER Assessment is a mobile app designed to help organisations complete PUWER assessments quickly, accurately, and consistently. The app guides users through structured checklists covering machinery, equipment, and workplace safety requirements, making it easier to identify non-compliances and document risks. Built for real-world use on factory floors and industrial sites, the app keeps assessments organised, links information across machines and locations, and supports efficient recording of findings. Use PUWER Assessment to streamline safety checks, improve record-keeping, and support compliance with PUWER 98 regulations.

Screenshots

DR. KAISER4 screens
PUWER Assessment4 screens

Verdict

The call

DR. KAISER and PUWER Assessment are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

DR. KAISER ships an update every 5 months, PUWER Assessment every 3 months. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

ScorecardNo meaningful differences
DR. KAISER versus PUWER Assessment: the parameters behind the verdict, then further details
ParameterDR. KAISERPUWER Assessment
PriceFreeFree
Update frequencyEvery 5 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size27 MB37 MB
Age rating4+4+
DeveloperDR. KAISER DIAMANTWERKZEUGE GmbH & Co. KGKnox Thomas Ltd

In-app purchases

None

DR. KAISER

No in-app purchases

None

PUWER Assessment

No in-app purchases

Questions

Is DR. KAISER free?
DR. KAISER is free to download, with no in-app purchases.
Is PUWER Assessment free?
PUWER Assessment is free to download, with no in-app purchases.
Do DR. KAISER or PUWER Assessment have ads?
Neither DR. KAISER nor PUWER Assessment shows ads.
Which is updated more often, DR. KAISER or PUWER Assessment?
DR. KAISER ships an update every 5 months, and PUWER Assessment every 3 months. Most recently, DR. KAISER was updated on November 2, 2026 and PUWER Assessment on October 30, 2026.

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