Comparison

O vs SKF Super

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

Head to head
About

O

This app helps users calculate O-Ring dimensions and find compatible materials for their applications. It provides recommendations based on ISO standards and supports both metric and inch measurements.

Highlights
  • O-Ring housing calculation
  • O-Ring size recommendations by ISO standard
  • Quick search by national/international standards
  • O-Ring tolerance calculation
  • Metric and inch unit switching
  • Chemical compatibility check
  • Integration of Trelleborg Sealing Solutions Videos
Features
Read full description

The Trelleborg Sealing Solutions O-Ring App calculates O-Ring dimensions by simply entering installation specifications for your application in metric or inch. In addition, the App recommends O-Ring sizes according to ISO 3601 so you know exactly which part you need. Features at a Glance: - O-Ring Housing: After entering the bore or rod/shaft diameter, you will receive an O-Ring recommendation and O-Ring housing calculation according to the recommendations of ISO 3601 - O-Ring Quick Search: offers the selection of O-Ring nominal sizes according to the following national/international standards: ISO 3601-1 Class B (International), ISO 3601-1 Class A (AS 568, USA), NFT 47-502 (France), JIS B 2401 (Japan) SMS 1586 (Sweden) - Tolerances: calculation of O-Ring tolerances according to ISO 3601-1 Class B and Class A - Switch between metric and inch - Chemical compatibility check: find out which materials are compatible with the media used in your application. - Integration of Trelleborg Sealing Solutions Videos

About

SKF Super

Features
Read full description

Capture critical bearing data quickly and simply. Ensure that bearing specification is accurately matched to your machine and record data for lifetime traceability. The SKF Super-precision bearing Data Manager allows you to scan data matrix codes on product packaging. This gives you immediate access to manufacturing and product specification data, including installation and mounting instructions. You can use this information in bearing installation reports. This saves time by eliminating the need for manual data recording and reduces the risk of error. The App also allows information to be printed or emailed as a report, which can be used in product lifecycle management and component traceability programmes.

Screenshots

O4 screens
SKF Super4 screens

Verdict

The call

The clearest difference is iOS requirement: O at 12.1 against SKF Super'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

O ships an update every 3 months, SKF Super every 2 months. The most recent releases landed on June 4, 2026 and September 17, 2026 respectively.

Scorecard1 real difference · 9 level
O versus SKF Super: the parameters behind the verdict, then further details
ParameterOSKF Super
PriceFreeFree
Rating3.8 (5 ratings) — better—
Positive reviews83.3% of reviews—
Number of ratings5 — better—
Update frequencyEvery 3 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.1 — better15.0
Further details — not scored
Size26 MB35 MB
Age rating12+4+
DeveloperTrelleborg Sealing SolutionsSKF

In-app purchases

None

O

No in-app purchases

None

SKF Super

No in-app purchases

Questions

Is O free?
O is free to download, with no in-app purchases.
Is SKF Super free?
SKF Super is free to download, with no in-app purchases.
Do O or SKF Super have ads?
Neither O nor SKF Super shows ads.
Which is updated more often, O or SKF Super?
O ships an update every 3 months, and SKF Super every 2 months. Most recently, O was updated on June 4, 2026 and SKF Super on September 17, 2026.

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