# Stacks vs uSheild Browser Search Engine

The clearest difference is update cadence: Stacks at daily against uSheild Browser Search Engine's every 3 days. Stacks also leads on iOS requirement (15.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Stacks ships an update daily, uSheild Browser Search Engine every 3 days. The most recent releases landed on September 6, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Stacks | uSheild Browser Search Engine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.4 (5 ratings)](https://appshunter.io/ios/app/usheild-browser-search-engine/id6753663434/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 90.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 3 days |
| Monetization | — | Free |
| Size | 8 MB | 19 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, Mac |
| Age rating | 17+ | 17+ |
| Developer | [Elliot Williams](https://appshunter.io/developer/991432050) | [Zac Jama](https://appshunter.io/developer/1832115117) |

## What reviewers say

### Stacks

[App page](https://appshunter.io/ios/app/stacks-browser/id6748051865)

**Features:** macOS Compatibility

**In-app purchases:** none


### uSheild Browser Search Engine

[App page](https://appshunter.io/ios/app/usheild-browser-search-engine/id6753663434)

This independent web browser offers robust privacy protection and a fast browsing experience. It features an AI-powered ad blocker, persistent chat capabilities, and a unique dark mode that enhances readability and saves battery.

**Highlights:** AI Adblocker, Persistent AI Chats, Eye-safe Dark Mode (TZLDM), Multiple Search Engine Support, Lightweight and Fast Loading, Tab, History, Bookmark Management

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Stacks free?

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

### Is uSheild Browser Search Engine free?

uSheild Browser Search Engine is free to download, with no in-app purchases.

### Do Stacks or uSheild Browser Search Engine have ads?

Neither Stacks nor uSheild Browser Search Engine shows ads.

### Which is updated more often, Stacks or uSheild Browser Search Engine?

Stacks ships an update daily, and uSheild Browser Search Engine every 3 days. Most recently, Stacks was updated on September 6, 2026 and uSheild Browser Search Engine on September 18, 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.*