# Zblocker vs iShield

The clearest difference is rating: Zblocker at 3.7 against iShield's 3.2. Zblocker also leads on in-app purchases (none vs 3) and iOS requirement (10.0 vs 14.1). iShield's advantage is update cadence (every 5 weeks vs every 5 months). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. iShield sells 3 in-app purchases, starting at $9.99 per 7 days. Zblocker asks for nothing beyond the download.

Zblocker holds the better App Store score, 3.7 against 3.2. Both are backed by a comparable volume of ratings — 7 and 15 respectively. Written reviews point the same way: 100% of Zblocker's written reviews are positive against 93% of iShield's.

Zblocker ships an update every 5 months, iShield every 5 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Zblocker | iShield |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (7 ratings)](https://appshunter.io/ios/app/zblocker/id1381207192/reviews)** | [3.2 (15 ratings)](https://appshunter.io/ios/app/ishield-adblock-system/id1571363709/reviews) |
| Number of ratings | 7 | **15** |
| Positive reviews | **100.0% of reviews** | 93.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 5 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 49 MB | 19 MB |
| Requires iOS | **10.0** | 14.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Naina Technology Solutions](https://appshunter.io/developer/1381207191) | [Gaukhar Ibraimova](https://appshunter.io/developer/1571363711) |

## What reviewers say

### Zblocker

[App page](https://appshunter.io/ios/app/zblocker/id1381207192)

This Safari browser extension offers robust ad-blocking for a cleaner, faster web experience. It automatically removes trackers, pop-ups, videos, and images, while also conserving bandwidth and protecting privacy. Enjoy a more enjoyable and distraction-free browsing session on your iPhone and iPad.

**Highlights:** Blocks online trackers, Removes pop-up ads, Blocks videos and images, Saves bandwidth, Faster page loading, Enhances privacy

**Features:** macOS Compatibility, Safari Extension

**In-app purchases:** none


### iShield

[App page](https://appshunter.io/ios/app/ishield-adblock-system/id1571363709)

This app acts as a shield for your Safari browser, blocking malicious ads and protecting you from online scams and malware. It enhances your privacy and gives you control over your mobile browsing experience by filtering high-risk sites and providing real-time statistics on online threats.

**Highlights:** Built-in AdBlocker, Network traffic saving, High-risk site protection, User-contributed risk database, Recurring database updates, Real-time statistics

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly subscription | $9.99 | per 7 days |
| Month subscription | $29.99 | per month |
| Year subscription | $99.99 | per year |

**What reviewers like**

- 👍 Works flawlessly
- 👍 Blocks ads effectively
- 👍 User-friendly interface
- 👍 Saves mobile data
- 🔒 Enhances security

**What reviewers complain about**

- 🐛 Not activated issue
- 🐛 Requires purchase not visible
- 🐛 Hacked and data leaked
- 🐛 App didn't work

**Reported bugs**

- It’s said non activated
- Unable to test out
- Didn’t work - got hacked

**Requested features**

- How to restore a purchase?
- Does this app do virus scans?


## Frequently asked questions

### Is Zblocker free?

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

### Is iShield free?

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

### Which has better reviews, Zblocker or iShield?

Zblocker is rated higher. Zblocker averages 3.7 out of 5 from 7 ratings, while iShield averages 3.2 from 15 ratings.

### Do Zblocker or iShield have ads?

Neither Zblocker nor iShield shows ads.

### Which is updated more often, Zblocker or iShield?

Zblocker ships an update every 5 months, and iShield every 5 weeks. Most recently, Zblocker was updated on November 2, 2026 and iShield on November 3, 2026.

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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.*