# xEngine for Safari vs Liquid Apollo

The clearest difference is price: Liquid Apollo at Free against xEngine for Safari's $1.99. Liquid Apollo also leads on rating (4.5 vs 3.3) and update cadence (every 8 days vs every 6 months). xEngine for Safari's advantage is iOS requirement (15.0 vs 18.0). On ads, in-app purchases and device support there is nothing between them.

Liquid Apollo 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.

Liquid Apollo holds the better App Store score, 4.5 against 3.3. That said, the two scores are not equally well evidenced: Liquid Apollo has 681 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 68% of Liquid Apollo's.

xEngine for Safari ships an update every 6 months, Liquid Apollo every 8 days. Both last shipped on November 14, 2026.

## The numbers

| Metric | xEngine for Safari | Liquid Apollo |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [3.3 (6 ratings)](https://appshunter.io/ios/app/xengine-for-safari/id1663123715/reviews) | **[4.5 (681 ratings)](https://appshunter.io/ios/app/liquid-apollo/id6448019325/reviews)** |
| Number of ratings | 6 | **681** |
| Positive reviews | 50.0% of reviews | **67.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 8 days** |
| Monetization | Paid | **Free** |
| Size | 8 MB | 158 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, Mac |
| Age rating | 4+ | 12+ |
| Developer | [磊 汪](https://appshunter.io/developer/1063627762) | [Liquid AI, Inc.](https://appshunter.io/developer/1772686878) |

## 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


### Liquid Apollo

[App page](https://appshunter.io/ios/app/liquid-apollo/id6448019325)

Access a wide range of AI language models, from local on-device options to those available through external APIs. This app allows you to connect to open-source and privately hosted LLMs, offering a customizable client for diverse AI interactions.

**Highlights:** Local AI model support, OpenRouter API integration, Custom backend LLM connection, Private on-device LLM execution, Access to diverse open-source models, Connect to privately hosted LLMs

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases:** none

**What reviewers like**

- 🚀 Great app
- 🚀 Works well with OpenRouter
- 🚀 Excellent for running local models
- 🚀 Convenient one-time purchase
- 🚀 Clean and intuitive UI

**What reviewers complain about**

- 🐛 Crashes frequently
- 🐛 Glitches when editing messages
- 🐛 Inconsistent message formatting
- 🐛 Slow performance with larger conversations
- 🔒 Unable to disable app transport security

**Reported bugs**

- Unable to download Liquid Models
- Deleted locally installed models
- OpenRouter support crashes the app
- Voice list doesn't load all available voices
- Backspace lag leading to unintended text deletion

**Requested features**

- Add support for more open-source models (e.g. Gemma 3)
- Implement image generation and upload functionality
- Allow scheduling of asynchronous tasks
- Integrate with Hugging Face model repository
- Provide built-in prompt library


## Frequently asked questions

### Is xEngine for Safari free?

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

### Is Liquid Apollo free?

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

### Which has better reviews, xEngine for Safari or Liquid Apollo?

Liquid Apollo is rated higher. xEngine for Safari averages 3.3 out of 5 from 6 ratings, while Liquid Apollo averages 4.5 from 681 ratings.

### Do xEngine for Safari or Liquid Apollo have ads?

Neither xEngine for Safari nor Liquid Apollo shows ads.

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

xEngine for Safari ships an update every 6 months, and Liquid Apollo every 8 days. Most recently, xEngine for Safari was updated on November 14, 2026 and Liquid Apollo on November 14, 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.*