# Mio vs MD Cast

The clearest difference is price: Mio at Free against MD Cast's $1.99. MD Cast's advantage is update cadence (weekly vs monthly) and iOS requirement (17.0 vs 26.0). On ads, in-app purchases and device support there is nothing between them.

Mio is free to download; MD Cast costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Mio ships an update monthly, MD Cast weekly. Both last shipped on October 17, 2026.

## The numbers

| Metric | Mio | MD Cast |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.5 (75 ratings)](https://appshunter.io/ios/app/mio-ask-mathstudio-with-ai/id884690417/reviews)** | — |
| Number of ratings | **75** | — |
| Positive reviews | 51.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | **Free** | Paid |
| Size | 11 MB | 76 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Pomegranate Apps LLC](https://appshunter.io/developer/293619496) | [Jaehyung Choi](https://appshunter.io/developer/1893254297) |

## What reviewers say

### Mio

[App page](https://appshunter.io/ios/app/mio-ask-mathstudio-with-ai/id884690417)

This AI-powered assistant solves math problems, plots graphs, and answers general knowledge questions directly on your device. It can process image input for homework and offers offline capabilities for most functions, only connecting online for live data.

**Highlights:** AI math problem solving, Real-time graph plotting, Image input for homework, Offline knowledge assistant, Live data retrieval, General knowledge inquiries

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

**In-app purchases:** none


### MD Cast

[App page](https://appshunter.io/ios/app/md-cast/id6764108330)

Create and export custom-styled Markdown documents to PDF. Apply your own themes with specific fonts, colors, and spacing, or use presets. Supports extended Markdown syntax and automatic font matching for multiple languages.

**Highlights:** Syntax-highlighted Markdown editor, Live preview with applied typography, Page-accurate PDF export, Customizable themes with fonts, colors, and spacing, Automatic font matching for Korean, English, Japanese, Chinese, Extended Markdown syntax support (tables, footnotes, KaTeX), Live inspector for real-time formatting adjustments, Edit external Markdown folders directly

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

**In-app purchases:** none


## Frequently asked questions

### Is Mio free?

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

### Is MD Cast free?

MD Cast costs $1.99, with no in-app purchases.

### Do Mio or MD Cast have ads?

Neither Mio nor MD Cast shows ads.

### Which is updated more often, Mio or MD Cast?

Mio ships an update monthly, and MD Cast weekly. Most recently, Mio was updated on October 17, 2026 and MD Cast on October 17, 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.*