Comparison

Welding Toolbox 2 vs WeldKit

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

Head to head
About

Welding Toolbox 2

This app provides essential tools for welding inspection, including calculators for heat input, equivalent carbon content, critical metal parameters, and pitting resistance. It supports both metric and imperial systems and allows for data export.

Highlights
  • Heat input calculator
  • Equivalent carbon content calculator
  • Critical metal parameter calculator
  • Pitting resistance calculator
  • Metric & imperial system support
  • Result history and export
  • Open-source
Features
Read full description

About This app contains a set of useful tools related to welding inspection, including: - Heat input calculator - Equivalent carbon content (CEQ, CET & CE AWS) calculator - Critical metal parameter (PCM) calculator - Pitting resistance equivalent number (PREN) calculator Heat input calculation works according to EN 1011-1 norm. Features - Supports metric & imperial systems - Supports custom fields - Includes result history and export as a spreadsheet (XLSX file) feature - Created in cooperation with professional welding engineers - Lightweight & fast - Free & fully open-source - Without ads or in-app purchases Source code repository: https://github.com/xxczaki/welding-toolbox-2 Support You can ask questions, report issues and provide suggestions by: - sending an email to appstore@parsify.eu - creating an issue in our GitHub repository

About

WeldKit

This app provides essential welding calculations and reference tools for professionals. It offers a free MIG calculator and unlocks seven additional calculators with a one-time purchase, eliminating subscriptions. Designed for speed and ease of use in shop or field environments, it helps users dial in settings and work with greater confidence.

Highlights
  • MIG, TIG, Stick, Flux-Core calculators
  • Plasma Cutting and Heat Input calculators
  • Weld Cost Estimator
  • Preheat Temperature Calculator
  • Fast, simple interface
  • Imperial and metric support
  • No accounts required
Features
Read full description

WeldKit is a practical welding calculator app built for fabricators, welders, and shop use. Get fast, no-nonsense welding math and reference tools in one place. Start with the free MIG calculator, then unlock 7 more calculators with a one-time purchase. No subscription. Whether you're in the shop, in the field, or setting up a machine for the first time, WeldKit helps you dial in settings faster and work with more confidence. Included calculators: • MIG Welding Calculator (Free) • TIG Welding Calculator • Stick Welding Calculator • Flux-Core Calculator • Plasma Cutting Calculator • Heat Input Calculator • Weld Cost Estimator • Preheat Temperature Calculator Built for real-world use: • Fast, simple interface • Imperial and metric support • No accounts or logins required • Designed for quick setup and jobsite use • Built for speed — no fluff Why WeldKit: • Multiple welding calculators in one clean app • Useful for fabricators, welders, and shop work • Quick starting points for common welding setups • Practical tools without clutter or wasted time Unlock WeldKit Pro to get all 8 calculators with a one-time purchase. Built by a fabricator, for fabricators.

Screenshots

Welding Toolbox 24 screens
WeldKit4 screens

Verdict

The call

The clearest difference is review sentiment: WeldKit at 100% against Welding Toolbox 2's 50%. WeldKit also leads on price (Free vs $7.99) and update cadence (every 2 weeks vs every 29 months). Welding Toolbox 2's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support and iOS requirement 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

WeldKit is free to download; Welding Toolbox 2 costs $7.99 up front. WeldKit sells 1 one-off in-app purchase. Welding Toolbox 2 asks for nothing beyond the download.

UpkeepUpdate frequency

Welding Toolbox 2 ships an update every 29 months, WeldKit every 2 weeks. The most recent releases landed on October 3, 2026 and October 7, 2026 respectively.

Scorecard6 real differences · 4 level
Welding Toolbox 2 versus WeldKit: the parameters behind the verdict, then further details
ParameterWelding Toolbox 2WeldKit
Price$7.99Free — better
Rating—5.0 (1 ratings) — better
Positive reviews50.0% of reviews100.0% of reviews — better
Number of ratings—1 — better
Update frequencyEvery 29 monthsEvery 2 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.015.1 — better
Further details — not scored
Size29 MB51 MB
Age rating4+4+
DeveloperParsify Technologies Antoni KepinskiMark Laporte

Customer experience

Welding Toolbox 2

Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

WeldKit

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Welding Toolbox 2

No in-app purchases

1 purchases

WeldKit

One-time1
  • WeldKit Pro$9.99

Questions

Is Welding Toolbox 2 free?
Welding Toolbox 2 costs $7.99, with no in-app purchases.
Is WeldKit free?
WeldKit is free to download, with in-app purchases available.
Do Welding Toolbox 2 or WeldKit have ads?
WeldKit shows ads; Welding Toolbox 2 does not.
Which is updated more often, Welding Toolbox 2 or WeldKit?
Welding Toolbox 2 ships an update every 29 months, and WeldKit every 2 weeks. Most recently, Welding Toolbox 2 was updated on October 3, 2026 and WeldKit on October 7, 2026.

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