# ZENBLOCK Ultra vs Markdown Viewer

The clearest difference is update cadence: ZENBLOCK Ultra at monthly against Markdown Viewer's every 2 months. 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.

ZENBLOCK Ultra ships an update monthly, Markdown Viewer every 2 months. The most recent releases landed on October 6, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | ZENBLOCK Ultra | Markdown Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/zenblock-ultra/id6476831622/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free | — |
| Size | 1 MB | 2 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Nana Annor Asante](https://appshunter.io/developer/1718660542) | [Mircules](https://appshunter.io/developer/595659821) |

## What reviewers say

### ZENBLOCK Ultra

[App page](https://appshunter.io/ios/app/zenblock-ultra/id6476831622)

Reclaim your focus and productivity with this free tool that blocks distracting websites. It offers customizable blocking, dynamic whitelisting, and pre-defined blocklists for a more mindful online experience.

**Highlights:** Customizable website blocking, Dynamic whitelisting, Predefined blocklists (3000+ sites), Privacy-centric (no data collection), Ad-free experience

**Features:** macOS Compatibility, Safari Extension

**In-app purchases:** none


### Markdown Viewer

[App page](https://appshunter.io/ios/app/markdown-viewer-md-reader/id6760256766)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ZENBLOCK Ultra free?

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

### Is Markdown Viewer free?

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

### Do ZENBLOCK Ultra or Markdown Viewer have ads?

Neither ZENBLOCK Ultra nor Markdown Viewer shows ads.

### Which is updated more often, ZENBLOCK Ultra or Markdown Viewer?

ZENBLOCK Ultra ships an update monthly, and Markdown Viewer every 2 months. Most recently, ZENBLOCK Ultra was updated on October 6, 2026 and Markdown Viewer on October 19, 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.*