# WeldKit vs UTCal

The clearest difference is ads: UTCal at none against WeldKit's shown. WeldKit's advantage is iOS requirement (15.1 vs 17.6). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. WeldKit sells 1 one-off in-app purchase and UTCal sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

WeldKit ships an update every 2 weeks, UTCal fortnightly. The most recent releases landed on September 20, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | WeldKit | UTCal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/weldkit-welding-calculators/id6761280549/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 51 MB | 3 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Mark Laporte](https://appshunter.io/developer/1888573188) | [Tomas Ramirez](https://appshunter.io/developer/1894095882) |

## What reviewers say

### WeldKit

[App page](https://appshunter.io/ios/app/weldkit-welding-calculators/id6761280549)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WeldKit Pro | $9.99 | one-time |


### UTCal

[App page](https://appshunter.io/ios/app/utcal/id6762418371)

**Features:** Family Sharing, Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| UTCal Pro | $14.99 | one-time |


## Frequently asked questions

### Is WeldKit free?

WeldKit is free to download, with in-app purchases available.

### Is UTCal free?

UTCal is free to download, with in-app purchases available.

### Do WeldKit or UTCal have ads?

WeldKit shows ads; UTCal does not.

### Which is updated more often, WeldKit or UTCal?

WeldKit ships an update every 2 weeks, and UTCal fortnightly. Most recently, WeldKit was updated on September 20, 2026 and UTCal on September 15, 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.*