# Liquid Apollo vs EpubLab

The clearest difference is in-app purchases: Liquid Apollo at none against EpubLab's 1. Liquid Apollo also leads on ads (none vs shown) and ratings volume (662 vs 3). EpubLab's advantage is review sentiment (100% vs 68%). On price, rating, update cadence and device support there is nothing between them.

Both are free to download. EpubLab sells 1 one-off in-app purchase. Liquid Apollo asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.5 for Liquid Apollo against 4.7 for EpubLab. That said, the two scores are not equally well evidenced: Liquid Apollo has 662 ratings behind it against 3, so its average is the more settled of the two. Written reviews are what separate them: 68% of Liquid Apollo's written reviews are positive against 100% of EpubLab's.

Liquid Apollo ships an update every 10 days, EpubLab fortnightly. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Liquid Apollo | EpubLab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (662 ratings)](https://appshunter.io/ios/app/liquid-apollo/id6448019325/reviews) | **[4.7 (3 ratings)](https://appshunter.io/ios/app/epublab-epub-metadata-editor/id6766582697/reviews)** |
| Number of ratings | **662** | 3 |
| Positive reviews | 68.2% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 10 days** | Fortnightly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 162 MB | 39 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Liquid AI, Inc.](https://appshunter.io/developer/1772686878) | [Kien Nguyen](https://appshunter.io/developer/1896304624) |

## What reviewers say

### Liquid Apollo

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

Access a wide range of AI language models, both locally on your device and through cloud APIs. This app allows you to chat with open-source models, connect to your own hosted LLMs, or utilize services like OpenRouter for broad model access.

**Highlights:** Local LLM support, OpenRouter integration, Custom backend connections, Private AI chat, Access to open-source models, Connect to hosted LLMs

**Features:** Vision Pro 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


### EpubLab

[App page](https://appshunter.io/ios/app/epublab-epub-metadata-editor/id6766582697)

Easily edit EPUB book metadata and covers directly on your iPhone or iPad. Update titles, authors, publishers, and more with a clean, fast interface. Works offline, keeping your files secure on your device.

**Highlights:** Edit EPUB metadata (title, author, publisher, language), Change or update book covers, Clean and simple interface, Fully offline functionality, Fast processing for large files

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Lifetime | $2.99 | one-time |


## Frequently asked questions

### Is Liquid Apollo free?

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

### Is EpubLab free?

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

### Which has better reviews, Liquid Apollo or EpubLab?

EpubLab is rated higher. Liquid Apollo averages 4.5 out of 5 from 662 ratings, while EpubLab averages 4.7 from 3 ratings.

### Do Liquid Apollo or EpubLab have ads?

EpubLab shows ads; Liquid Apollo does not.

### Which is updated more often, Liquid Apollo or EpubLab?

Liquid Apollo ships an update every 10 days, and EpubLab fortnightly. Most recently, Liquid Apollo was updated on October 27, 2026 and EpubLab on October 25, 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.*