Comparison

J vs Nowak Supply

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

Head to head
About

J

Features
Read full description

J-Weld is a mobile APP which is used to remote welding machines.

About

Nowak Supply

This professional-grade tool offers specialized calculators for fire safety, welding, and portable sanitation planning. It generates detailed PDF reports, saves calculation history, and provides expert recommendations for compliance and project optimization.

Highlights
  • Fire Extinguisher Calculator
  • Welding Calculator (MIG, TIG, Stick)
  • Porta-Jon Calculator
  • Professional PDF report generation
  • Calculation history
  • Offline access
Features
Read full description

Nowak Supply Calculator Suite Streamline your project planning and safety compliance with the Nowak Supply Calculator Suite, a professional-grade tool designed to meet the needs of contractors, safety managers, event planners, and industrial professionals. Developed by T.J. Nowak Supply, this app delivers powerful calculators and expert recommendations tailored to fire safety, welding, and portable sanitation requirements. Features and Functionality Fire Extinguisher Calculator Ensure your building meets NFPA fire safety standards with this advanced tool: Calculate fire extinguisher quantity and placement based on building type, square footage, and hazard levels. Customize for special areas like kitchens, electrical rooms, and storage facilities. Incorporate additional risk factors, including high-value equipment, flammable materials, and 24-hour operations. Generate detailed, professional PDF reports for audits and compliance records. Welding Calculator Optimize your welding projects with precision: Supports MIG, TIG, and Stick welding methods. Material-specific parameters for thickness, filler metal, and shielding gas. Recommendations for gas flow rates, voltage, and amperage. Generate cost and time estimates, ensuring efficient resource allocation. Includes safety guidelines to promote secure welding practices. Porta-Jon Calculator Plan sanitation needs for events and construction sites: Calculate the number of standard and ADA-compliant portable restrooms based on attendance, event duration, and location type. Includes options for outdoor events and alcohol-serving considerations. Detailed placement recommendations for optimal convenience. Generate sanitation reports with clear guidelines. Professional Tools and Benefits Detailed Reports: Export professional PDF reports for compliance, proposals, or project records. Calculation History: Save and access previous calculations for easy reference. Easy Sharing: Share results via email or messaging platforms with just a tap. Expert Resources: Access T.J. Nowak Supply’s product catalog and expert safety guidelines. Intuitive Design: Clean, modern interface with dark mode support for comfortable use in all conditions. Offline Access: Perform calculations anytime, anywhere, without internet connectivity. Why Choose Nowak Supply Calculator Suite? Backed by decades of industry expertise from T.J. Nowak Supply, this app is designed to provide professionals with accurate, reliable tools to simplify their workflow. Whether you’re ensuring fire safety compliance, planning an event’s sanitation needs, or optimizing welding operations, the Nowak Supply Calculator Suite is your trusted partner. Who Is It For? Contractors Safety Managers Facility Supervisors Event Planners Welding Professionals Industrial Managers Download the Nowak Supply Calculator Suite today and elevate your project planning with the most comprehensive tools in the industry. Free to download—no subscriptions required!

Screenshots

J3 screens
Nowak Supply4 screens

Verdict

The call

The clearest difference is update cadence: Nowak Supply at every 3 weeks against J's every 3 months. J's advantage is iOS requirement (15.6 vs 18.1). 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

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

J ships an update every 3 months, Nowak Supply every 3 weeks. The most recent releases landed on October 30, 2026 and November 4, 2026 respectively.

Scorecard2 real differences · 8 level
J versus Nowak Supply: the parameters behind the verdict, then further details
ParameterJNowak Supply
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.6 — better18.1
Further details — not scored
Size30 MB5 MB
Age rating4+4+
Developer深圳市佳士科技股份有限公司RL McCoy

In-app purchases

None

J

No in-app purchases

None

Nowak Supply

No in-app purchases

Questions

Is J free?
J is free to download, with no in-app purchases.
Is Nowak Supply free?
Nowak Supply is free to download, with no in-app purchases.
Do J or Nowak Supply have ads?
Neither J nor Nowak Supply shows ads.
Which is updated more often, J or Nowak Supply?
J ships an update every 3 months, and Nowak Supply every 3 weeks. Most recently, J was updated on October 30, 2026 and Nowak Supply on November 4, 2026.

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