Torque Unit Calculator vs Rolls
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Torque Unit Calculator
Easily convert between various torque units with this utility application. Developed by Norbar Torque Tools, it offers a straightforward way to handle torque measurements.
- Converts any torque unit to any other
- Developed by Norbar Torque Tools
- Simple and straightforward interface
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This application converts any torque unit to any other. From Norbar Torque Tools, the voice of torque www.norbar.com
Rolls
Access interactive 3D/2D product catalogs, work instructions, and maintenance guides for complex tasks. This tool aids in identifying parts, training, and demonstrating product features.
- Interactive 3D product catalogs
- Work instructions and maintenance guides
- 3D parts identification and ordering
- Classroom and just-in-time training aid
- Sales demonstration tool
- Multi-touch gestures for 3D navigation
- Detailed parts lists and BOM hierarchy
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Rolls-Royce Technical Publications allows you to view Rolls-Royce interactive 3D/2D product catalogs, work instructions, maintenance guides and manuals created with Cortona3D RapidAuthor. Interactive 3D provides a more intuitive way to communicate complex maintenance or assembly tasks. 3D parts catalogue make it easier to identify and order the correct parts. As a classroom aid or for “just-in-time” training the app provides an effective way to teach mechanical skills. It can even be used as a sales aid to demonstrate new product features and functions. The Rolls-Royce Technical Publications on iOS is the perfect complement to the Cortona3D RapidAuthor tools. Using CAD and bill of materials data sourced from Engineering, RapidAuthor allows you to generate the complete technical document including text, 2D and 3D graphics. Features: — Usual multi-touch gestures for navigation in the 3D view — Multiple exploded views and full bill of materials hierarchy — Touch on a part and see additional information — Search, hide and show parts — Detailed Parts List – Part Number, Nomenclature, etc. — Links from IPC and procedures to other documents — Full 2D CGM viewer — Play or scrub through animated sequences — Text overlay of step by step instructions — Upload Rolls-Royce content to library.
Verdict
The clearest difference is update cadence: Rolls at every 12 months against Torque Unit Calculator's every 30 months. Rolls also leads on iOS requirement (9.0 vs 15.0). On price, ads, in-app purchases and monetization model 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.
Torque Unit Calculator ships an update every 30 months, Rolls every 12 months. The most recent releases landed on October 23, 2026 and October 19, 2026 respectively.
| Parameter | Torque Unit Calculator | Rolls |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | — | 1 — better |
| Update frequency | Every 30 months | Every 12 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPad | iPad |
| Requires iOS | 15.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 75 MB |
| Age rating | 4+ | 4+ |
| Developer | Norbar | ParallelGraphics |
Customer experience
Torque Unit Calculator
Rolls
In-app purchases
Torque Unit Calculator
No in-app purchases
Rolls
No in-app purchases
Questions
Is Torque Unit Calculator free?
Is Rolls free?
Do Torque Unit Calculator or Rolls have ads?
Which is updated more often, Torque Unit Calculator or Rolls?
Other comparisons
