# Observo vs ghostWriter Markdown

The clearest difference is update cadence: ghostWriter Markdown at every 2 days against Observo's every 3 weeks. Observo's advantage is iOS requirement (9.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Observo ships an update every 3 weeks, ghostWriter Markdown every 2 days. The most recent releases landed on October 2, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Observo | ghostWriter Markdown |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/ghostwriter-markdown/id6795344477/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Monetization | — | Free |
| Size | 174 MB | 5 MB |
| Requires iOS | **9.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Unit Solutions AG](https://appshunter.io/developer/639539274) | [Marco Salsiccia](https://appshunter.io/developer/1864773757) |

## What reviewers say

### Observo

[App page](https://appshunter.io/ios/app/observo/id1017780435)

**In-app purchases:** none


### ghostWriter Markdown

[App page](https://appshunter.io/ios/app/ghostwriter-markdown/id6795344477)

A plain-text writing app designed with accessibility in mind. It allows users to create, organize, and export documents in various formats, with features like voice control and outline navigation.

**Highlights:** Accessibility-first plain-text editor, Organize documents and chapters, Compile work into finished exports, Supports multiple export formats (HTML, EPUB, PDF, Word), VoiceOver integration, Native Find and Replace, Outline navigation for headings

**In-app purchases:** none


## Frequently asked questions

### Is Observo free?

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

### Is ghostWriter Markdown free?

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

### Do Observo or ghostWriter Markdown have ads?

Neither Observo nor ghostWriter Markdown shows ads.

### Which is updated more often, Observo or ghostWriter Markdown?

Observo ships an update every 3 weeks, and ghostWriter Markdown every 2 days. Most recently, Observo was updated on October 2, 2026 and ghostWriter Markdown on October 13, 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.*