Liquid Apollo vs HemiSync
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, 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.
- 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
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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.
HemiSync
This app generates binaural beats and isochronic tones to aid in meditation and relaxation. Explore various sound frequencies and pre-set combinations for personal wellness routines, with customizable timers and controls.
- Binaural beat and isochronic tone generation
- Customizable frequency ranges (Delta, Theta, Alpha, Beta, Gamma)
- Pre-configured audio presets
- Session timer functionality
- Solfeggio frequency options
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Explore Audio Frequency Meditation HemiSync is an audio frequency generator that creates binaural beats and isochronic tones for meditation and relaxation practice. The app allows you to experiment with different sound frequencies that some users find helpful for their personal wellness routines. What This App Does: Generates customizable audio tones and beats Offers preset frequency combinations based on popular meditation practices Provides session timers and audio controls Includes binaural beat and isochronic tone generation modes Features: Frequency range selection (Delta, Theta, Alpha, Beta, Gamma) Adjustable beat frequencies and carrier tones Pre-configured audio presets Session timer functionality Solfeggio frequency options (396Hz, 417Hz, 432Hz) Please Note: This app is for entertainment and personal exploration purposes. It generates audio tones based on concepts from audio meditation practices. Any effects experienced are subjective and individual. Privacy Policy - https://enginezero.tech/app-privacy-policy/ Terms of Use (EULA) - https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is rating: Liquid Apollo at 4.5 against HemiSync's 3.6. Liquid Apollo also leads on in-app purchases (none vs 1) and ratings volume (681 vs 11). HemiSync's advantage is review sentiment (100% vs 68%). On price, ads and iOS requirement 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. HemiSync sells 1 in-app purchase, starting at $0.99 per month. Liquid Apollo asks for nothing beyond the download.
Liquid Apollo holds the better App Store score, 4.5 against 3.6. That said, the two scores are not equally well evidenced: Liquid Apollo has 681 ratings behind it against 11, so its average is the more settled of the two. Written reviews complicate that: 68% of Liquid Apollo's written reviews are positive against 100% of HemiSync's, so the app with the better star average is not the one people write more warmly about.
Liquid Apollo ships an update every 8 days, HemiSync every 5 weeks. The most recent releases landed on November 14, 2026 and November 5, 2026 respectively.
| Parameter | Liquid Apollo | HemiSync |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (681 ratings) — better | 3.6 (11 ratings) |
| Positive reviews | 67.8% of reviews | 100.0% of reviews — better |
| Number of ratings | 681 — better | 11 |
| Update frequency | Every 8 days — better | Every 5 weeks |
| 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 — better | 18.4 |
| Further details — not scored | ||
| Size | 158 MB | 61 MB |
| Age rating | 12+ | 4+ |
| Developer | Liquid AI, Inc. | EngineZero |
Customer experience
Liquid Apollo
HemiSync
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
HemiSync
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Liquid Apollo
No in-app purchases
HemiSync
- Premium$0.991 Month
Questions
Is Liquid Apollo free?
Is HemiSync free?
Which has better reviews, Liquid Apollo or HemiSync?
Do Liquid Apollo or HemiSync have ads?
Which is updated more often, Liquid Apollo or HemiSync?
Other comparisons
