# Liquid Apollo vs Markdown to PDF Fast Converter

The clearest difference is in-app purchases: Liquid Apollo at none against Markdown to PDF Fast Converter's 5. Liquid Apollo also leads on ads (none vs shown) and update cadence (every 10 days vs every 5 months). Markdown to PDF Fast Converter's advantage is iOS requirement (15.1 vs 18.0). On price and device support there is nothing between them.

Both are free to download. Markdown to PDF Fast Converter sells 4 in-app purchases, starting at $1.99 per 3 months. Liquid Apollo asks for nothing beyond the download.

Liquid Apollo ships an update every 10 days, Markdown to PDF Fast Converter every 5 months. The most recent releases landed on October 24, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Liquid Apollo | Markdown to PDF Fast Converter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (660 ratings)](https://appshunter.io/ios/app/liquid-apollo/id6448019325/reviews)** | — |
| Number of ratings | **660** | — |
| Positive reviews | 68.2% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 10 days** | Every 5 months |
| Monetization | Free | — |
| Size | 162 MB | 70 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Liquid AI, Inc.](https://appshunter.io/developer/1772686878) | [Shotdoor](https://appshunter.io/developer/530049796) |

## 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


### Markdown to PDF Fast Converter

[App page](https://appshunter.io/ios/app/markdown-to-pdf-fast-converter/id6502376913)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $1.99 | per 3 months |
| Premium | $4.99 | per year |
| Premium | $2.99 | one-time |
| Lifetime Premium | $4.99 | one-time |


## Frequently asked questions

### Is Liquid Apollo free?

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

### Is Markdown to PDF Fast Converter free?

Markdown to PDF Fast Converter is free to download, with in-app purchases available.

### Do Liquid Apollo or Markdown to PDF Fast Converter have ads?

Markdown to PDF Fast Converter shows ads; Liquid Apollo does not.

### Which is updated more often, Liquid Apollo or Markdown to PDF Fast Converter?

Liquid Apollo ships an update every 10 days, and Markdown to PDF Fast Converter every 5 months. Most recently, Liquid Apollo was updated on October 24, 2026 and Markdown to PDF Fast Converter on October 4, 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.*