# WeldCalcs vs ActuatorSizingTool

The clearest difference is price: ActuatorSizingTool at Free against WeldCalcs's $1.99. ActuatorSizingTool also leads on update cadence (weekly vs every 15 months) and iOS requirement (18.0 vs 26.0). On ads, in-app purchases and device support there is nothing between them.

ActuatorSizingTool is free to download; WeldCalcs costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

WeldCalcs ships an update every 15 months, ActuatorSizingTool weekly. The most recent releases landed on June 27, 2026 and February 23, 2026 respectively.

## The numbers

| Metric | WeldCalcs | ActuatorSizingTool |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/weldcalcs/id1422441562/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Weekly** |
| Monetization | Paid | — |
| Size | 17 MB | 2 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Glendale Coding Labs, Inc](https://appshunter.io/developer/1266859626) | [Phillip McKinney](https://appshunter.io/developer/1837826672) |

## What reviewers say

### WeldCalcs

[App page](https://appshunter.io/ios/app/weldcalcs/id1422441562)

This engineering calculator app assists in the preliminary sizing of fillet welds for steel construction. It computes section properties for typical welding patterns, allowing users to input dimensions and applied forces/moments to determine the maximum resisting resultant force and initial weld size.

**Highlights:** Fillet weld design sizing, Section property calculation, Elastic Method calculations, Input dimensions and forces, Determines maximum resisting force, Reference equations available

**Features:** macOS Compatibility

**In-app purchases:** none


### ActuatorSizingTool

[App page](https://appshunter.io/ios/app/actuatorsizingtool/id6752123585)

**In-app purchases:** none


## Frequently asked questions

### Is WeldCalcs free?

WeldCalcs costs $1.99, with no in-app purchases.

### Is ActuatorSizingTool free?

ActuatorSizingTool is free to download, with no in-app purchases.

### Do WeldCalcs or ActuatorSizingTool have ads?

Neither WeldCalcs nor ActuatorSizingTool shows ads.

### Which is updated more often, WeldCalcs or ActuatorSizingTool?

WeldCalcs ships an update every 15 months, and ActuatorSizingTool weekly. Most recently, WeldCalcs was updated on June 27, 2026 and ActuatorSizingTool on February 23, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*