# Welding Inspector CWI Prep vs Gauge

The clearest difference is iOS requirement: Welding Inspector CWI Prep at 13.0 against Gauge's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Welding Inspector CWI Prep sells 4 in-app purchases, starting at $6.99 per 7 days and Gauge sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Welding Inspector CWI Prep | Gauge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Fortnightly |
| Monetization | — | Free with in-app purchases |
| Size | 25 MB | 10 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [FLY SKY PTY LTD](https://appshunter.io/developer/1838696534) | [OMAR DANIEL GRAZIANO](https://appshunter.io/developer/1896485759) |

## What reviewers say

### Welding Inspector CWI Prep

[App page](https://appshunter.io/ios/app/welding-inspector-cwi-prep/id6778984074)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Welding CWI Weekly | $6.99 | per 7 days |
| Welding CWI Monthly | $16.99 | per month |
| Welding CWI Yearly | $39.99 | per year |
| Welding CWI Lifetime | $79.99 | one-time |


### Gauge

[App page](https://appshunter.io/ios/app/gauge-welding-inspector-prep/id6804014884)

Prepare for the AWS Certified Welding Inspector exam with comprehensive study materials. Access free lessons, practice questions, and calculators for Part A, with an optional one-time unlock for Parts B and C.

**Highlights:** AWS CWI exam preparation, Free Part A content, Practice questions and timed forms, 55 free calculators, Simulated code navigation, Worked solutions with steps, Progress tracking and notes

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Unlock | $19.99 | one-time |


## Frequently asked questions

### Is Welding Inspector CWI Prep free?

Welding Inspector CWI Prep is free to download, with in-app purchases available.

### Is Gauge free?

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

### Do Welding Inspector CWI Prep or Gauge have ads?

Neither Welding Inspector CWI Prep nor Gauge shows ads.

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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.*