Liquid Apollo vs EpubLab
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Liquid Apollo
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.
- Local LLM support
- OpenRouter integration
- Custom backend connections
- Private AI chat
- Access to open-source models
- Connect to hosted LLMs
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Chat with private, local AI models, connect to every open source AI, or your own locally-hosted private LLMs. Apollo is your own customizable client for accessing language models from all around the web. Local model support (powered by LEAP, a Liquid AI product): run smaller LLMs privately and securely on-device. OpenRouter support: bring an OpenRouter API key to chat with every model on the web. Just sign in by creating an account over at OpenRouter and paste it in to Apollo to access nearly every model, from open source models like Meta Llama 3, to closed source models like OpenAI’s ChatGPT-4. Custom Backend support: want ChatGPT at home? Run an LLM on your computer with tools like LM Studio or Ollama and connect to it with Apollo to host your own private ChatGPT-like mobile app for your family.
EpubLab
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.
- Edit EPUB metadata (title, author, publisher, language)
- Change or update book covers
- Clean and simple interface
- Fully offline functionality
- Fast processing for large files
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EPUB Metadata & Cover Editor Easily edit and organize your EPUB files right on your iPhone or iPad. Update book details and covers in seconds—no desktop required. Key Features • Edit metadata: title, author, publisher, language, and more • Change or update book covers with ease • Clean and simple interface, focused on speed • Works fully offline—your files stay on your device • Fast processing, even with large EPUB files Perfect for • Fixing incorrect book information • Organizing your EPUB library • Updating covers for a better reading experience Important This app is designed for editing EPUB metadata and covers only. It does not support full text/content editing. Privacy Policy: https://home-bgi.pages.dev/privacy_policy/ Terms of Use: https://home-bgi.pages.dev/eula/
Screenshots
Verdict
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 (660 vs 3). EpubLab's advantage is review sentiment (100% vs 68%). On price, rating, update cadence and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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 660 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 24, 2026 and October 25, 2026 respectively.
| Parameter | Liquid Apollo | EpubLab |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (660 ratings) | 4.7 (3 ratings) — better |
| Positive reviews | 68.2% of reviews | 100.0% of reviews — better |
| Number of ratings | 660 — better | 3 |
| Update frequency | Every 10 days — better | Fortnightly |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, Mac — better | iPhone, iPad |
| Requires iOS | 18.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 162 MB | 39 MB |
| Age rating | 12+ | 4+ |
| Developer | Liquid AI, Inc. | Kien Nguyen |
Customer experience
Liquid Apollo
EpubLab
Bugs and requests
Liquid Apollo
Reported bugs
6 issues- 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
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- Inconsistent behavior when using code blocks
Requested features
10 requests- 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
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- Add MCP (Multimodal Conversation Protocol) support
- Enable direct OpenAI API integration
- Improve voice chat functionality
- Add option to delete all chat history
- Implement search and filtering for chat history
EpubLab
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Liquid Apollo
No in-app purchases
EpubLab
- Premium Lifetime$2.99
Questions
Is Liquid Apollo free?
Is EpubLab free?
Which has better reviews, Liquid Apollo or EpubLab?
Do Liquid Apollo or EpubLab have ads?
Which is updated more often, Liquid Apollo or EpubLab?
Other comparisons
