Comparison

J vs WeldSet

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

WeldSet

Features
Read full description

WeldSet is the welding calculator that gets you a trustworthy starting point fast. Pick your process — MIG, TIG, Stick, or Flux-core — your material, and your thickness, and get starting amperage, wire-feed speed, voltage, travel speed, gas, and polarity on a clean dial. Then tune to your machine. EVERY PROCESS, EVERY METAL MIG, TIG, Stick, and Flux-core — on mild steel, stainless, aluminum, and chrome-moly. Pick three things and read your starting settings off the dial. WHAT YOU GET • Starting amperage with a sensible range • Wire-feed speed, voltage, travel speed, heat input, gas, and polarity (MIG/Flux) • Tungsten, filler rod, gas, and polarity (TIG) • Electrode size, rod type, and polarity (Stick) • A foreman's tip for the thickness you're on BUILT FOR THE SHOP • Works 100% offline — no signup, no account, no internet at the machine • Save your dialed-in setups per machine, with bead photos • Share a settings card by AirDrop or text • Ask Siri: "Welding settings" — hands-free at the bench HONEST BY DESIGN Every number is a starting point, not gospel — verify on your machine and follow your WPS and shop safety. Values are based on published manufacturer and AWS practice. UNLOCK EVERYTHING — ONE TIME MIG on mild steel is free, forever. Unlock TIG, Stick, Flux-core, every material, unlimited saved jobs, and bead photos for a one-time $9.99. No subscription. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://weldset.aiappnation.com/privacy

Screenshots

J3 screens
WeldSet4 screens

Verdict

The call

The clearest difference is in-app purchases: J at none against WeldSet's 1. J also leads on iOS requirement (15.6 vs 17.0). WeldSet's advantage is update cadence (every 2 weeks vs every 3 months). On price, ads and device support there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. WeldSet sells 1 one-off in-app purchase. J asks for nothing beyond the download.

UpkeepUpdate frequency

J ships an update every 3 months, WeldSet every 2 weeks. The most recent releases landed on October 14, 2026 and October 25, 2026 respectively.

Scorecard3 real differences Ā· 3 level
J versus WeldSet: the parameters behind the verdict, then further details
ParameterJWeldSet
PriceFreeFree
Update frequencyEvery 3 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPod — betteriPhone
Requires iOS15.6 — better17.0
Further details — not scored
Size30 MB4 MB
Age rating4+4+
Developerę·±åœ³åø‚ä½³å£«ē§‘ęŠ€č‚”ä»½ęœ‰é™å…¬åøPLAYRIOT LLC

In-app purchases

None

J

No in-app purchases

1 purchases

WeldSet

One-time1
  • WeldSet Unlock$9.99

Questions

Is J free?
J is free to download, with no in-app purchases.
Is WeldSet free?
WeldSet is free to download, with in-app purchases available.
Do J or WeldSet have ads?
Neither J nor WeldSet shows ads.
Which is updated more often, J or WeldSet?
J ships an update every 3 months, and WeldSet every 2 weeks. Most recently, J was updated on October 14, 2026 and WeldSet on October 25, 2026.

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