# Inspection Helper vs Welding Inspector CWI Prep

The clearest difference is in-app purchases: Inspection Helper at none against Welding Inspector CWI Prep's 4. Inspection Helper also leads on iOS requirement (8.0 vs 13.0). On price, ads 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. Inspection Helper asks for nothing beyond the download.

## The numbers

| Metric | Inspection Helper | Welding Inspector CWI Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/inspection-helper/id1394401567/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Free | — |
| Size | 17 MB | 25 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nguyen Hieu](https://appshunter.io/developer/1323491316) | [FLY SKY PTY LTD](https://appshunter.io/developer/1838696534) |

## What reviewers say

### Inspection Helper

[App page](https://appshunter.io/ios/app/inspection-helper/id1394401567)

This mobile tool provides inspectors, supervisors, and engineers with essential calculations and information. It includes functions for temperature and pressure conversion, pipe schedules, welding heat input, electrical calculations, and length and volume conversions.

**Highlights:** Temperature conversion, Pressure conversion, Pipe schedule information, Welding heat input calculation, Electrical calculation, Length conversion, Volume conversion

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Inspection Helper free?

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

### Is Welding Inspector CWI Prep free?

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

### Do Inspection Helper or Welding Inspector CWI Prep have ads?

Neither Inspection Helper nor Welding Inspector CWI Prep shows ads.

---

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