# Pass IET vs BS 7671 Mastery

The clearest difference is in-app purchases: BS 7671 Mastery at none against Pass IET's 3. Pass IET's advantage is ads (none vs shown) and iOS requirement (15.0 vs 26.4). On price and device support there is nothing between them.

Both are free to download. Pass IET sells 3 in-app purchases, starting at $1.99 per 7 days. BS 7671 Mastery asks for nothing beyond the download.

## The numbers

| Metric | Pass IET | BS 7671 Mastery |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | — |
| Size | 71 MB | 20 MB |
| Requires iOS | **15.0** | 26.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Marwan Aziz](https://appshunter.io/developer/1046240266) | [Ghaith Alshehabat](https://appshunter.io/developer/1750773902) |

## What reviewers say

### Pass IET

[App page](https://appshunter.io/ios/app/pass-iet/id6477842135)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Week | $1.99 | per 7 days |
| 1 Month | $4.99 | per month |
| 1 Year | $19.99 | per year |


### BS 7671 Mastery

[App page](https://appshunter.io/ios/app/bs-7671-mastery/id6762334396)

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

**In-app purchases:** none


## Frequently asked questions

### Is Pass IET free?

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

### Is BS 7671 Mastery free?

BS 7671 Mastery is free to download, with no in-app purchases.

### Do Pass IET or BS 7671 Mastery have ads?

BS 7671 Mastery shows ads; Pass IET does not.

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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.*