O vs Voith DRIVE
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
Voith DRIVE
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DRIVEApp brings learning and work together in one simple place. Designed for technical, operational, and industrial teams, it helps people access the right knowledge exactly when they need it, on the job, not in a classroom. Instead of long courses and outdated LMS systems, DRIVEApp delivers short, practical learning, guided tasks, and real-time support that improve performance in everyday work. Less training. More doing. What you can do with DRIVEApp: → Complete quick, focused microlearnings; → Access Knowledge and Product catalogs; → Offline learning. Learn without internet connection; → User Knowledge Dashboard; Built for real work Perfect for operations, maintenance, manufacturing, field teams, and technical support, anywhere people need to learn fast and deliver consistently.
Screenshots
Verdict
The clearest difference is update cadence: Voith DRIVE at every 3 weeks against O's every 3 months. O's advantage is iOS requirement (12.1 vs 15.5). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
O ships an update every 3 months, Voith DRIVE every 3 weeks. The most recent releases landed on September 30, 2026 and September 28, 2026 respectively.
| Parameter | O | Voith DRIVE |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (5 ratings) — better | — |
| Positive reviews | 83.3% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.1 — better | 15.5 |
| Further details — not scored | ||
| Size | 26 MB | 34 MB |
| Age rating | 12+ | 4+ |
| Developer | Trelleborg Sealing Solutions | Voith Digital Solutions Inc |
In-app purchases
O
No in-app purchases
Voith DRIVE
No in-app purchases









