# Umizaru vs Kanman Reader

The clearest difference is in-app purchases: Kanman Reader at none against Umizaru's 10. Kanman Reader also leads on review sentiment (100% vs 82%). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Umizaru sells 10 one-off in-app purchases. Kanman Reader asks for nothing beyond the download.

Umizaru ships an update every 6 months, Kanman Reader every 9 months. The most recent releases landed on September 29, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Umizaru | Kanman Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/kanman-reader/id6670540237/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 82.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 9 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 5 MB | 32 MB |
| Requires iOS | **16.6** | 17.4 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Susumu Hoshikawa](https://appshunter.io/developer/413265272) | [Akash Cherian](https://appshunter.io/developer/1762569685) |

## What reviewers say

### Umizaru

[App page](https://appshunter.io/ios/app/umizaru/id600724094)

Experience the acclaimed Japanese comic series "Umizaru" on your iPhone or iPad. Follow the thrilling adventures of Coast Guard officers as they tackle sea disaster accidents. The first volume is available for free, with subsequent volumes offered for purchase.

**Highlights:** Digital comic reader, First volume free, Purchase subsequent volumes, Based on popular manga, Features Coast Guard stories, Adapted into movies and dramas

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 海猿 第02巻 | $1.99 | one-time |
| 海猿 第03巻 | $1.99 | one-time |
| 海猿 第04巻 | $1.99 | one-time |
| 海猿 第05巻 | $1.99 | one-time |
| 海猿 第06巻 | $1.99 | one-time |
| 海猿 第07巻 | $1.99 | one-time |
| 海猿 第08巻 | $1.99 | one-time |
| 海猿 第09巻 | $1.99 | one-time |
| 海猿 第11巻 | $1.99 | one-time |
| 海猿 第12巻 | $1.99 | one-time |


### Kanman Reader

[App page](https://appshunter.io/ios/app/kanman-reader/id6670540237)

This comic reader helps Chinese language learners immerse themselves in manhua. Easily look up definitions for unfamiliar words by scanning the page, and manage your library of DRM-free comics.

**Highlights:** Supports ZIP, RAR, CBR, CBZ formats, Horizontal or vertical scrolling, On-page word definition lookup, Manhua library management, Resume reading from last point

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Umizaru free?

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

### Is Kanman Reader free?

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

### Do Umizaru or Kanman Reader have ads?

Neither Umizaru nor Kanman Reader shows ads.

### Which is updated more often, Umizaru or Kanman Reader?

Umizaru ships an update every 6 months, and Kanman Reader every 9 months. Most recently, Umizaru was updated on September 29, 2026 and Kanman Reader on September 15, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*