# Welding Weight Calculator Pro vs Guardian Security

The clearest difference is price: Guardian Security at Free against Welding Weight Calculator Pro's $5.99. Guardian Security also leads on update cadence (every 6 months vs every 41 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Guardian Security is free to download; Welding Weight Calculator Pro costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Welding Weight Calculator Pro ships an update every 41 months, Guardian Security every 6 months. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Welding Weight Calculator Pro | Guardian Security |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 41 months | **Every 6 months** |
| Size | 1 MB | 70 MB |
| Requires iOS | **16.1** | 16.4 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Imran Pinjara](https://appshunter.io/developer/1484488781) | [Andi Monitoring](https://appshunter.io/developer/1542615516) |

## What reviewers say

### Welding Weight Calculator Pro

[App page](https://appshunter.io/ios/app/welding-weight-calculator-pro/id1491205254)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Guardian Security

[App page](https://appshunter.io/ios/app/guardian-security/id1542615034)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Welding Weight Calculator Pro free?

Welding Weight Calculator Pro costs $5.99, with no in-app purchases.

### Is Guardian Security free?

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

### Do Welding Weight Calculator Pro or Guardian Security have ads?

Neither Welding Weight Calculator Pro nor Guardian Security shows ads.

### Which is updated more often, Welding Weight Calculator Pro or Guardian Security?

Welding Weight Calculator Pro ships an update every 41 months, and Guardian Security every 6 months. Most recently, Welding Weight Calculator Pro was updated on November 3, 2026 and Guardian Security on November 7, 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.*