J vs Wilson Tool
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
J
Create, modify, and manage sheet metal profile designs for roofing, cladding, and general metal construction. This tool is tailored for professionals in the metal building industry.
- Sheet metal profile drawing
- Editing capabilities
- Project organization
- Roofing applications
- Cladding applications
- Metal building industry focus
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Drawing, editing, organizing of sheet metal profile projects. Profiles are used in roofing, cladding and general metal building industry.
Wilson Tool
This app provides comprehensive calculations for sheet metal operations, including punching and bending. It offers tools for determining forces, clearances, and various dimensional aspects of sheet metal fabrication, drawing on decades of industry expertise.
- Punching force calculation
- Cutting clearance calculation
- Bending force calculation
- Minimum flange length
- Bend deduction
- Sheet thickness conversions
- Sheet weight calculation
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Wilson Tool is the most comprehensive app designed for engineers and operators who work with sheet metal. It helps perform various calculations related to punching and bending sheet metal, including: Punching: • Punching force • Cutting clearance • Maximum edge length • Enveloping circle • Pre-punching diameter for countersinks and tapping • Sheet thickness conversions • Sheet weight • Cluster saving Bending: • Bending force • Minimum flange length • V-opening • Spring-back • Radius air-bending • Offset • V-Series Black set-up • Box height • Free space • Bend deduction • Bump bending • Guillotine shearing force • Tool weight Wilson Tool is the global leader in making punching and press brake tools for the sheet metal industry. With more than half a century of expertise in finding solutions for customer challenges and creating innovative products, this app is the result of that experience.
Screenshots
Verdict
The clearest difference is rating: Wilson Tool at 5.0 against J's 2.0. Wilson Tool also leads on update cadence (every 3 weeks vs every 6 months). J's advantage is iOS requirement (11.0 vs 15.1). On price, review sentiment, ratings volume and ads 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.
Wilson Tool holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 3 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
J ships an update every 6 months, Wilson Tool every 3 weeks. The most recent releases landed on October 2, 2026 and October 7, 2026 respectively.
| Parameter | J | Wilson Tool |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (3 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 3 | 3 |
| Update frequency | Every 6 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 11.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 4 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Jorns AG Lotzwil | WILSON TOOL INTERNATIONAL EUROPE LIMITED |
Customer experience
J
Wilson Tool
In-app purchases
J
No in-app purchases
Wilson Tool
No in-app purchases









