# API 653 helpmate vs CAWI Welding Inspector Prep

API 653 helpmate and CAWI Welding Inspector Prep are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. API 653 helpmate sells 1 one-off in-app purchase and CAWI Welding Inspector Prep sells 9 in-app purchases, starting at $8.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | API 653 helpmate | CAWI Welding Inspector Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 33 MB | 51 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Austenite Pty Ltd](https://appshunter.io/developer/1525502686) | [YAUHEN BAHDANOVICH](https://appshunter.io/developer/1711932790) |

## What reviewers say

### API 653 helpmate

[App page](https://appshunter.io/ios/app/api-653-helpmate/id6745550821)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| API 653 Premium - 1 Year Access | $49.99 | one-time |


### CAWI Welding Inspector Prep

[App page](https://appshunter.io/ios/app/cawi-welding-inspector-prep/id6753874428)

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CAWI Weekly Full Access | $8.99 | per 7 days |
| CAWI Monthly Full Access | $24.99 | per month |
| CAWI Monthly Full Access | $24.99 | per month |
| CAWI Quarterly Full Access | $55.99 | per 3 months |
| CAWI Quarterly Full Access | $55.99 | per 3 months |
| CAWI Semiannual Full Access | $75.99 | per 6 months |
| CAWI Semiannual Full Access | $75.99 | per 6 months |
| CAWI Annual Full Access | $109.99 | per year |
| CAWI Annual Full Access | $109.99 | per year |


## Frequently asked questions

### Is API 653 helpmate free?

API 653 helpmate is free to download, with in-app purchases available.

### Is CAWI Welding Inspector Prep free?

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

### Do API 653 helpmate or CAWI Welding Inspector Prep have ads?

Neither API 653 helpmate nor CAWI Welding Inspector Prep 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.*