# One Markdown vs AppOtter

The clearest difference is update cadence: AppOtter at weekly against One Markdown's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. One Markdown sells 3 in-app purchases, starting at $3.99 per year and AppOtter sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

One Markdown ships an update monthly, AppOtter weekly. The most recent releases landed on October 5, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | One Markdown | AppOtter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (141 ratings)](https://appshunter.io/ios/app/one-markdown/id1507139439/reviews)** | — |
| Number of ratings | **141** | — |
| Positive reviews | 81.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 50 MB | 49 MB |
| Requires iOS | **14.5** | 15.1 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [禄海 区](https://appshunter.io/developer/954188947) | [Matti Sirokov](https://appshunter.io/developer/1850987227) |

## What reviewers say

### One Markdown

[App page](https://appshunter.io/ios/app/one-markdown/id1507139439)

A fast and simple editor for plain text, Markdown, and Textbundle formats. It offers full Markdown display, image previews, math formula rendering, and extensive customization options for themes and fonts. Includes tools for syntax input, table generation, and document outlining.

**Highlights:** Supports CommonMark and GitHub Flavored Markdown, Full Markdown document display, Image and math formula previews, Customizable themes and fonts, Markdown syntax input menu and keyboard, Outline and word count view, Editor & Preview mode

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Markdown Yearly Subscribe | $3.99 | per year |
| One Markdown for Mac | $9.99 | one-time |
| One Markdown for  iPhone/iPad | $9.99 | one-time |


### AppOtter

[App page](https://appshunter.io/ios/app/appotter-app-analytics/id6755641533)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AppOtter Monthly | $4.99 | per month |
| AppOtter Annual | $44.99 | per year |


## Frequently asked questions

### Is One Markdown free?

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

### Is AppOtter free?

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

### Do One Markdown or AppOtter have ads?

Neither One Markdown nor AppOtter shows ads.

### Which is updated more often, One Markdown or AppOtter?

One Markdown ships an update monthly, and AppOtter weekly. Most recently, One Markdown was updated on October 5, 2026 and AppOtter on October 11, 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.*