# AdSpamBlock vs uShield

The clearest difference is in-app purchases: AdSpamBlock at none against uShield's 3. AdSpamBlock also leads on ratings volume (675 vs 1). uShield's advantage is ads (none vs shown) and update cadence (weekly vs monthly). On price, monetization model, device support and iOS requirement there is nothing between them.

Both are free to download. uShield sells 3 in-app purchases, starting at $0.99 per month. AdSpamBlock asks for nothing beyond the download.

uShield holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: AdSpamBlock has 675 ratings behind it against 1, so its average is the more settled of the two.

AdSpamBlock ships an update monthly, uShield weekly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | AdSpamBlock | uShield |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (675 ratings)](https://appshunter.io/ios/app/adspamblock-adblocker/id1581743170/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ushield-browser-adblocker/id6778865496/reviews)** |
| Number of ratings | **675** | 1 |
| Positive reviews | 78.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Weekly** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 24 MB | 46 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [misosil inc](https://appshunter.io/developer/1581743172) | [The Le Ngoc](https://appshunter.io/developer/1896480764) |

## What reviewers say

### AdSpamBlock

[App page](https://appshunter.io/ios/app/adspamblock-adblocker/id1581743170)

This app blocks unwanted advertisements and detects spam across various browser and email applications. It protects users from phishing ads and illegal tracking, offering a cleaner and safer online experience.

**Highlights:** Blocks ads in browsers (Safari, Chrome), Blocks ads in email applications, Detects and blocks spam, Monitors and blocks illegal tracking, Protects against phishing ads

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

**In-app purchases:** none

**What reviewers like**

- ✅ Blocks ads across apps and websites effectively
- 💰 Completely free with no in-app purchases
- 🎯 Works on multiple platforms beyond Safari
- ⚡ Simple and easy-to-use interface
- 🔄 Can be toggled on/off easily

**What reviewers complain about**

- 🔋 Excessive battery drain reported frequently
- 📡 High mobile data consumption (multiple GB)
- 🐛 App randomly turns off unexpectedly
- 🌐 Slows down internet connection noticeably
- 📱 Causes device overheating issues

**Reported bugs**

- App turns off randomly without user action
- Internet connection drops intermittently (5 minutes recovery)
- Some websites become unreadable when enabled
- Barcode display fails in certain apps (JRE)
- Device overheating when app is active

**Requested features**

- Notification to remind users to turn app back on after restart
- Reduce battery consumption optimization
- Lower mobile data usage
- YouTube and streaming service ad blocking
- Prevent automatic shutoff


### uShield

[App page](https://appshunter.io/ios/app/ushield-browser-adblocker/id6778865496)

This app acts as a personal web shield, blocking ads and trackers to save data, extend battery life, and protect online privacy. It offers customizable filters and seamless iCloud sync across Apple devices for a cleaner, safer browsing experience.

**Highlights:** Block ads and trackers, Worldwide ad blocking with automatic updates, Customizable filters and rules, Seamless iCloud sync, Privacy-focused local processing, Easy setup and smart utilities

**Features:** macOS Compatibility, Safari Extension

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Yearly | $6.99 | per year |
| Lifetime | $17.99 | one-time |


## Frequently asked questions

### Is AdSpamBlock free?

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

### Is uShield free?

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

### Which has better reviews, AdSpamBlock or uShield?

uShield is rated higher. AdSpamBlock averages 4.7 out of 5 from 675 ratings, while uShield averages 5.0 from 1 ratings.

### Do AdSpamBlock or uShield have ads?

AdSpamBlock shows ads; uShield does not.

### Which is updated more often, AdSpamBlock or uShield?

AdSpamBlock ships an update monthly, and uShield weekly. Most recently, AdSpamBlock was updated on November 3, 2026 and uShield on October 31, 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.*