WeldEquations vs WeldZip
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
WeldEquations
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Useful for the preliminary sizing of welds, WeldEquations is an engineering calculator app that computes the section properties for typical welding patterns used in steel construction. After selecting a Weld Group, the user enters the dimensions for the depth and width. The section properties for the Weld Group, including the area, section moduli and polar moment of inertia, are instantly calculated. For practicality, both weld group dimensions are limited to a minimum of 0.25" and a maximum of 100".Β Β The equations used by the app are available for reference and manual verification.
WeldZip
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The Welding Assistant for Professionals 1. Filler Metal Data: Access detailed information on welding materials, including chemical composition, mechanical properties, and corrosion resistance, to make informed decisions. 2.Welding Tools: -Calculate weld material consumption and heat input. -Use DeLong and Schaeffler diagrams for stainless steel metallurgy. -Determine preheat temperatures and hardness conversions. -Decode welding symbols and calculate J/X coefficients for metals. 3.Welding Documents: Explore a library of patents, technical articles, and professional resources to stay updated on industry trends. 4.Welding Dictionary: A multilingual tool for quick translations of welding terms, making communication across languages effortless. 5. Welding Q&A: Get expert answers to your welding questions and share knowledge with a community of professionals.
Screenshots
Verdict
The clearest difference is iOS requirement: WeldZip at 12.0 against WeldEquations's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
WeldEquations ships an update every 12 months, WeldZip every 8 months. The most recent releases landed on July 4, 2026 and September 9, 2026 respectively.
| Parameter | WeldEquations | WeldZip |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 12 months | Every 8 months β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad, iPod β better |
| Requires iOS | 26.0 | 12.0 β better |
| Further details β not scored | ||
| Size | 7 MB | 85 MB |
| Age rating | 4+ | 4+ |
| Developer | Glendale Coding Labs, Inc | Shanghai KongDe IT Co., LTD. |
In-app purchases
WeldEquations
No in-app purchases
WeldZip
No in-app purchases









