Stealth Hydro Data vs Welding Toolbox 2
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Stealth Hydro Data
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Stealth Application for pressure testing sections of pipe with a digital pressure gauge. All data is stored digitally and test reports are created for our customer with date/time stamp.
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.
- Heat input calculator
- Equivalent carbon content calculator
- Critical metal parameter calculator
- Pitting resistance calculator
- Metric & imperial system support
- Result history and export
- Open-source
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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
Screenshots
Verdict
The clearest difference is price: Stealth Hydro Data at Free against Welding Toolbox 2's $7.99. Stealth Hydro Data also leads on iOS requirement (12.0 vs 16.0). On update cadence, 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
Stealth Hydro Data is free to download; Welding Toolbox 2 costs $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Stealth Hydro Data ships an update every 41 months, Welding Toolbox 2 every 29 months. The most recent releases landed on September 14, 2026 and September 15, 2026 respectively.
| Parameter | Stealth Hydro Data | Welding Toolbox 2 |
|---|---|---|
| Price | Free — better | $7.99 |
| Positive reviews | — | 50.0% of reviews |
| Update frequency | Every 41 months | Every 29 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 8 MB | 29 MB |
| Age rating | 9+ | 4+ |
| Developer | JM Test Systems Inc. | Parsify Technologies Antoni Kepinski |
In-app purchases
Stealth Hydro Data
No in-app purchases
Welding Toolbox 2
No in-app purchases
Questions
Is Stealth Hydro Data free?
Is Welding Toolbox 2 free?
Do Stealth Hydro Data or Welding Toolbox 2 have ads?
Which is updated more often, Stealth Hydro Data or Welding Toolbox 2?
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