# Blurb vs Zen Opus

The clearest difference is ads: Zen Opus at none against Blurb's shown. Blurb's advantage is update cadence (weekly vs every 3 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Blurb ships an update weekly, Zen Opus every 3 months. The most recent releases landed on October 6, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Blurb | Zen Opus |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 3 months |
| Size | 19 MB | 52 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ARIGN LTD](https://appshunter.io/developer/1832944278) | [Zen Opus](https://appshunter.io/developer/1885519807) |

## What reviewers say

### Blurb

[App page](https://appshunter.io/ios/app/blurb-it/id6749934585)

**In-app purchases:** none


### Zen Opus

[App page](https://appshunter.io/ios/app/zen-opus/id6760652241)

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

**In-app purchases:** none


## Frequently asked questions

### Is Blurb free?

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

### Is Zen Opus free?

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

### Do Blurb or Zen Opus have ads?

Blurb shows ads; Zen Opus does not.

### Which is updated more often, Blurb or Zen Opus?

Blurb ships an update weekly, and Zen Opus every 3 months. Most recently, Blurb was updated on October 6, 2026 and Zen Opus on October 2, 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.*