# DNJ Catalog vs ShieldX

The clearest difference is in-app purchases: DNJ Catalog at none against ShieldX's 2. DNJ Catalog also leads on device support (3 vs 1) and iOS requirement (11.0 vs 17.0). On price there is nothing between them.

Both are free to download. ShieldX sells 2 in-app purchases, starting at $9.99 per 7 days. DNJ Catalog asks for nothing beyond the download.

## The numbers

| Metric | DNJ Catalog | ShieldX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (151 ratings)](https://appshunter.io/ios/app/shieldx-privacy/id6752256284/reviews)** |
| Number of ratings | — | **151** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Every 3 days |
| Monetization | **Free** | Freemium |
| Size | 6 MB | 19 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [DNJ Engine Components, Inc.](https://appshunter.io/developer/1588770801) | [Artur Lysenko](https://appshunter.io/developer/1838472347) |

## What reviewers say

### DNJ Catalog

[App page](https://appshunter.io/ios/app/dnj-catalog/id1450604935)

Access a comprehensive catalog of quality engine parts for all cars and trucks. This app provides listings of all engines, trusted by engine rebuilders globally.

**Highlights:** Comprehensive engine parts catalog, Listings for all engines, Trusted by engine rebuilders, Covers all cars and trucks, 30+ years of experience

**In-app purchases:** none


### ShieldX

[App page](https://appshunter.io/ios/app/shieldx-privacy/id6752256284)

Block ads, crypto miners, and trackers to enhance your browsing speed and security. Enjoy a cleaner, faster, and more private online experience with automatic updates and customizable protection.

**Highlights:** Automatic adblock updates, Crypto mining protection, Banner hiding, Tracker limiting, Freemium and premium versions

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $9.99 | per 7 days |
| Lifetime Access | $0.99 | one-time |


## Frequently asked questions

### Is DNJ Catalog free?

DNJ Catalog is free to download, with no in-app purchases.

### Is ShieldX free?

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

---

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