O vs Torque Unit CVT
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
O
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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: β’ Assembly aid, depending on the installation type (in a bore, on a piston, cover fitting with internal or external pressure) β’ Compounds compatibility with various fluids β’ Intelligent O-Ring measuring tool with the smartphone's camera function β’ 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
Torque Unit CVT
Easily convert torque units with this straightforward tool. It supports conversions between N-m, N-cm, mNm, kgf-m, kgf-cm, and gf-cm. The conversion happens instantly as you input values.
- Torque unit conversion
- Supports N-m, N-cm, mNm, kgf-m, kgf-cm, gf-cm
- Instant conversion upon input
- Simple and intuitive interface
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This app converts units of torque. Convert from N-m, N-cm, mNm, kgf-m, kgf-cm, gf-cm to another unit. The conversion takes place as soon as you enter the value.
Screenshots
Verdict
O and Torque Unit CVT are too close to call on the numbers: across 6 compared parameters β price, update cadence, ads and in-app purchases among them β neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· 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 6 weeks, Torque Unit CVT every 2 months. The most recent releases landed on September 9, 2026 and July 27, 2026 respectively.
| Parameter | O | Torque Unit CVT |
|---|---|---|
| Price | Free | Free |
| Positive reviews | β | 0.0% of reviews |
| Update frequency | Every 6 weeks β better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | β | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 β better | 12.1 |
| Further details β not scored | ||
| Size | 40 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | HUTCHINSON | Hidenori Ishii |
In-app purchases
O
No in-app purchases
Torque Unit CVT
No in-app purchases
Questions
Is O free?
Is Torque Unit CVT free?
Do O or Torque Unit CVT have ads?
Which is updated more often, O or Torque Unit CVT?
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