# 몬스터북 vs blackN

The clearest difference is iOS requirement: 몬스터북 at 9.0 against blackN's 14.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

몬스터북 ships an update every 3 months, blackN every 6 months. The most recent releases landed on September 18, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | 몬스터북 | blackN |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/monbook/id1524607243/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 6 months |
| Monetization | Free | — |
| Size | 3 MB | 71 MB |
| Requires iOS | **9.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Monlab co.,ltd](https://appshunter.io/developer/1347799036) | [seongmin kim](https://appshunter.io/developer/1576474375) |

## What reviewers say

### 몬스터북

[App page](https://appshunter.io/ios/app/monbook/id1524607243)

Easily create custom photo books, prints, calendars, and frames with a wide variety of themes and automatic photo placement. Order prints directly from your mobile device using high-quality paper. Perfect for preserving memories and creating personalized gifts.

**Highlights:** Custom photo books with 87 themes, Automatic photo placement, Mobile photo printing and ordering, Various print sizes and frame options, Personalized photo calendars, Adhesive photo albums, Square photo prints

**Features:** macOS Compatibility

**In-app purchases:** none


### blackN

[App page](https://appshunter.io/ios/app/blackn/id1576474373)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 몬스터북 free?

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

### Is blackN free?

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

### Do 몬스터북 or blackN have ads?

Neither 몬스터북 nor blackN shows ads.

### Which is updated more often, 몬스터북 or blackN?

몬스터북 ships an update every 3 months, and blackN every 6 months. Most recently, 몬스터북 was updated on September 18, 2026 and blackN on September 23, 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.*