Comparison

O vs Walter Insert Converter

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

Head to head
About

O

Features
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Who hasn't sometimes wished for assistance when it comes to define the mounting dimensions for O-Rings or even find the right O-Ring? The Hutchinson O-Ring app offers precious tools: โ€ข Assembly aid, depending on the installation type (in a bore, on a piston, cover fitting with internal or external pressure) โ€ข Compounds compatibility with various fluids โ€ข Intelligent O-Ring measuring tool with the smartphone's camera function โ€ข Dimensions list for standard parts You can choose a reference number from thousands of available O-Rings and then precisely define the groove dimensions to ensure perfect sealing. On the contrary, after choosing the installation type and the groove dimensions, the app will recommend a list of compatible O-Ring dimensions. A smart measuring tool has been developed to measure your O-Rings dimensions. This can for instance be used in MRO for easy replacement. Take a coin to set the standard and watch your smartphone turn into a digital measure tool for precision seals! If chemistry classes are bad memories for you, the compound compatibility tool will help you to define the appropriate compound family, depending on the fluid used in your application. Bonus : get the PDF calculation results per email ! In order to confirm your choice, we recommend to validate with tests

About

Walter Insert Converter

Easily find equivalent Walter inserts for your current machining tools. Optimize chip cutting, extend tool life, and enhance process safety and productivity.

Highlights
  • Find equivalent Walter inserts
  • Optimize chip cutting
  • Increase tool life
  • Enhance process safety
  • Supports ISO-Turning, parting-off, grooving
  • Covers advanced materials (CBN/PKD/Ceramics/Cermet)
Features
Read full description

You have got a cutting application and want to use Walter inserts for the machining? It's easy with the Walter Insert Converter. Simply type-in the insert you are currently working with - and the Insert Converter tells you, which Walter inserts is equal to your current solution. The ideal app to optimize your chip cutting process and tool life, to increase the process safety and your productivity. This app covers grades in the product area ISO-Turning, parting-off and grooving as well as ISO Advanced Materials (CBN/PKD/Ceramics/Cermet). The chip former covers the areas ISO-Turning as well as parting-off and grooving.

Screenshots

O4 screens
Walter Insert Converter3 screens

Verdict

The call

The clearest difference is update cadence: O at every 6 weeks against Walter Insert Converter's every 23 months. O also leads on iOS requirement (12.0 vs 14.0). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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

UpkeepUpdate frequency

O ships an update every 6 weeks, Walter Insert Converter every 23 months. The most recent releases landed on September 9, 2026 and June 1, 2026 respectively.

Scorecard2 real differences ยท 6 level
O versus Walter Insert Converter: the parameters behind the verdict, then further details
ParameterOWalter Insert Converter
PriceFreeFree
Positive reviewsโ€”0.0% of reviews
Update frequencyEvery 6 weeks โ€” betterEvery 23 months
AdsNoNo
In-app purchasesNoNo
Monetizationโ€”Free
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 โ€” better14.0
Further details โ€” not scored
Size40 MB33 MB
Age rating4+4+
DeveloperHUTCHINSONWalter-AG

In-app purchases

None

O

No in-app purchases

None

Walter Insert Converter

No in-app purchases

Questions

Is O free?
O is free to download, with no in-app purchases.
Is Walter Insert Converter free?
Walter Insert Converter is free to download, with no in-app purchases.
Do O or Walter Insert Converter have ads?
Neither O nor Walter Insert Converter shows ads.
Which is updated more often, O or Walter Insert Converter?
O ships an update every 6 weeks, and Walter Insert Converter every 23 months. Most recently, O was updated on September 9, 2026 and Walter Insert Converter on June 1, 2026.

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