# Liquid Apollo vs Caffi

The clearest difference is in-app purchases: Liquid Apollo at none against Caffi's 3. Liquid Apollo also leads on update cadence (every 10 days vs every 5 weeks) and ratings volume (667 vs 38). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Caffi sells 3 in-app purchases, starting at $5.99 per 7 days. 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 4.5 for Caffi. That said, the two scores are not equally well evidenced: Liquid Apollo has 667 ratings behind it against 38, 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 71% of Caffi's.

Liquid Apollo ships an update every 10 days, Caffi every 5 weeks. The most recent releases landed on November 3, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Liquid Apollo | Caffi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (667 ratings)](https://appshunter.io/ios/app/liquid-apollo/id6448019325/reviews) | [4.5 (38 ratings)](https://appshunter.io/ios/app/caffi-caffeine-tracker/id6742565772/reviews) |
| Number of ratings | **667** | 38 |
| Positive reviews | 68.2% of reviews | **71.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 5 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 159 MB | 34 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Liquid AI, Inc.](https://appshunter.io/developer/1772686878) | [Patrick Tammaro](https://appshunter.io/developer/1539155948) |

## 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


### Caffi

[App page](https://appshunter.io/ios/app/caffi-caffeine-tracker/id6742565772)

Monitor your caffeine consumption to improve sleep quality and manage energy levels. Log drinks quickly, see remaining caffeine before bed, and plan future intake to make informed choices.

**Highlights:** Log drinks with a large beverage database, Calculate remaining caffeine at bedtime, Predict impact of drinks on sleep, Track caffeine trends over time, Manually add custom drinks

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Caffi Pro | $5.99 | per 7 days |
| Promotion | $24.99 | per year |
| Caffi Pro | $39.99 | per year |


## Frequently asked questions

### Is Liquid Apollo free?

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

### Is Caffi free?

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

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

Liquid Apollo and Caffi are both rated 4.5 out of 5 on the App Store, from 667 and 38 ratings respectively.

### Do Liquid Apollo or Caffi have ads?

Neither Liquid Apollo nor Caffi shows ads.

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

Liquid Apollo ships an update every 10 days, and Caffi every 5 weeks. Most recently, Liquid Apollo was updated on November 3, 2026 and Caffi on November 1, 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.*