Liquid Apollo vs AI Arena
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.
AI Arena
Compare the responses of various AI assistants side-by-side. Create custom arenas to test different AI models with identical prompts and analyze their quality, accuracy, and creativity.
- Create custom comparison arenas
- Test multiple AI models simultaneously
- Send identical prompts
- Compare response quality
- Analyze accuracy and creativity
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AI Arena lets you create custom comparison arenas to test multiple AI assistants side-by-side. Ask the same questions to Claude, GPT, Perplexity, Llama, Google Gemini and more to directly compare their responses. KEY FEATURES: - Create multiple comparison arenas with different AI model combinations - Send identical prompts to multiple AI models simultaneously - Compare response quality, accuracy, creativity, and style
Screenshots
Verdict
The clearest difference is review sentiment: Liquid Apollo at 68% against AI Arena's 0%. Liquid Apollo also leads on rating (4.5 vs 1.0) and in-app purchases (none vs 3). AI Arena's advantage is iOS requirement (16.0 vs 18.0). On price, update cadence and ads 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. AI Arena sells 3 one-off in-app purchases. Liquid Apollo asks for nothing beyond the download.
Liquid Apollo holds the better App Store score, 4.5 against 1.0. That said, the two scores are not equally well evidenced: Liquid Apollo has 639 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 68% of Liquid Apollo's written reviews are positive against 0% of AI Arena's.
Liquid Apollo ships an update every 11 days, AI Arena fortnightly. The most recent releases landed on September 24, 2026 and September 5, 2026 respectively.
| Parameter | Liquid Apollo | AI Arena |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (639 ratings) — better | 1.0 (2 ratings) |
| Positive reviews | 68.5% of reviews — better | 0.0% of reviews |
| Number of ratings | 639 — better | 2 |
| Update frequency | Every 11 days — better | Fortnightly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, Mac — better | iPhone |
| Requires iOS | 18.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 151 MB | 27 MB |
| Age rating | 12+ | 12+ |
| Developer | Liquid AI, Inc. | Broad Quest Limited |
Customer experience
Liquid Apollo
AI Arena
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
AI Arena
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Liquid Apollo
No in-app purchases
AI Arena
- 100 Arena Points$1.99
- 1000 Arena Points$19.90
- 5000 Arena Points$99.00
