# iMarkdown vs Casper AI

The clearest difference is in-app purchases: Casper AI at none against iMarkdown's 3. Casper AI also leads on iOS requirement (15.0 vs 17.0). iMarkdown's advantage is update cadence (every 4 days vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. iMarkdown sells 3 in-app purchases, starting at $0.99 per month. Casper AI asks for nothing beyond the download.

iMarkdown ships an update every 4 days, Casper AI every 3 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | iMarkdown | Casper AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/imarkdown-write-and-preview/id1530323530/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 90.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 23 MB | 148 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [HIROMOTO TSUJI](https://appshunter.io/developer/1106215904) | [MIKSAR DEVELOPMENT, OOO](https://appshunter.io/developer/1454639232) |

## What reviewers say

### iMarkdown

[App page](https://appshunter.io/ios/app/imarkdown-write-and-preview/id1530323530)

A fast and simple Markdown editor for iPhone and iPad with full GitHub Flavored Markdown support. It offers iCloud sync, dark mode, and exports to various formats. Easily preview and auto-save your documents.

**Highlights:** GitHub Flavored Markdown support, iCloud sync, Dark mode, Export to Markdown, PDF, PNG, Quick preview, Auto-saving

**Features:** Family Sharing, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $0.99 | per month |
| Yearly Pro | $4.99 | per year |
| Lifetime Pro | $8.99 | one-time |


### Casper AI

[App page](https://appshunter.io/ios/app/casper-ai/id6593690399)

**In-app purchases:** none


## Frequently asked questions

### Is iMarkdown free?

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

### Is Casper AI free?

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

### Do iMarkdown or Casper AI have ads?

Neither iMarkdown nor Casper AI shows ads.

### Which is updated more often, iMarkdown or Casper AI?

iMarkdown ships an update every 4 days, and Casper AI every 3 weeks. Most recently, iMarkdown was updated on October 24, 2026 and Casper AI on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*