Comparison

DR. KAISER vs HP arms

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
Read full description

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

HP arms

Features
Read full description

The HP arms app makes configuring and supporting the range of Renishaw High Precision tool setting arms simple. Intended for suitably trained installation and maintenance engineers, the app provides a convenient, single point of reference for typical configuration, maintenance and troubleshooting tasks. The app is easy-to-use with detailed animations, images, help text and step-by-step instructions.

Screenshots

DR. KAISER4 screens
HP arms4 screens

Verdict

The call

The clearest difference is iOS requirement: HP arms at 12.0 against DR. KAISER's 15.0. On price, update cadence, ads and in-app purchases 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

DR. KAISER ships an update every 5 months, HP arms every 6 months. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.

Scorecard1 real difference · 5 level
DR. KAISER versus HP arms: the parameters behind the verdict, then further details
ParameterDR. KAISERHP arms
PriceFreeFree
Update frequencyEvery 5 months — betterEvery 6 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.012.0 — better
Further details — not scored
Size27 MB45 MB
Age rating4+4+
DeveloperDR. KAISER DIAMANTWERKZEUGE GmbH & Co. KGRenishaw plc

In-app purchases

None

DR. KAISER

No in-app purchases

None

HP arms

No in-app purchases

Questions

Is DR. KAISER free?
DR. KAISER is free to download, with no in-app purchases.
Is HP arms free?
HP arms is free to download, with no in-app purchases.
Do DR. KAISER or HP arms have ads?
Neither DR. KAISER nor HP arms shows ads.
Which is updated more often, DR. KAISER or HP arms?
DR. KAISER ships an update every 5 months, and HP arms every 6 months. Most recently, DR. KAISER was updated on October 29, 2026 and HP arms on October 28, 2026.

Other comparisons