# xEngine for Safari vs Unagent

The clearest difference is price: Unagent at Free against xEngine for Safari's $1.99. Unagent also leads on rating (4.4 vs 3.3) and update cadence (monthly vs every 6 months). xEngine for Safari's advantage is device support (4 vs 2) and iOS requirement (15.0 vs 18.0). On ads and in-app purchases there is nothing between them.

Unagent is free to download; xEngine for Safari costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Unagent holds the better App Store score, 4.4 against 3.3. That said, the two scores are not equally well evidenced: Unagent has 58 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 50% of xEngine for Safari's written reviews are positive against 59% of Unagent's.

xEngine for Safari ships an update every 6 months, Unagent monthly. The most recent releases landed on September 4, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | xEngine for Safari | Unagent |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [3.3 (6 ratings)](https://appshunter.io/ios/app/xengine-for-safari/id1663123715/reviews) | **[4.4 (58 ratings)](https://appshunter.io/ios/app/unagent/id6448220941/reviews)** |
| Number of ratings | 6 | **58** |
| Positive reviews | 50.0% of reviews | **59.1% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Monthly** |
| Monetization | Paid | **Free** |
| Size | 6 MB | 8 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | +4 | 4+ |
| Developer | [磊 汪](https://appshunter.io/developer/1063627762) | [Justin Xin](https://appshunter.io/developer/1423154796) |

## What reviewers say

### xEngine for Safari

[App page](https://appshunter.io/ios/app/xengine-for-safari/id1663123715)

This utility app allows users to customize their default search engine within Safari. It supports a wide variety of popular and AI-powered search engines, and enables users to add their own custom options while prioritizing privacy through local processing.

**Highlights:** Customize Safari's default search engine, Support for popular search engines, Add custom AI search engines, Local data processing for privacy, Manage your own search engines

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

**In-app purchases:** none


### Unagent

[App page](https://appshunter.io/ios/app/unagent/id6448220941)

Modify your browser's user agent to test website behavior across different browsers and versions. This tool allows you to select presets, create your own, or set site-specific agents to understand how sites adapt to various browser identifications.

**Highlights:** Switch user agents, Preset user agents, Custom user agents, Site-specific user agents, Add custom presets

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

**In-app purchases:** none


## Frequently asked questions

### Is xEngine for Safari free?

xEngine for Safari costs $1.99, with no in-app purchases.

### Is Unagent free?

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

### Which has better reviews, xEngine for Safari or Unagent?

Unagent is rated higher. xEngine for Safari averages 3.3 out of 5 from 6 ratings, while Unagent averages 4.4 from 58 ratings.

### Do xEngine for Safari or Unagent have ads?

Neither xEngine for Safari nor Unagent shows ads.

### Which is updated more often, xEngine for Safari or Unagent?

xEngine for Safari ships an update every 6 months, and Unagent monthly. Most recently, xEngine for Safari was updated on September 4, 2026 and Unagent on September 17, 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.*