# Sumi Book vs Linea Reader

The clearest difference is in-app purchases: Linea Reader at none against Sumi Book's 3. Sumi Book's advantage is update cadence (every 3 days vs monthly) and iOS requirement (15.1 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Sumi Book sells 3 in-app purchases, starting at $3.99 per month. Linea Reader asks for nothing beyond the download.

Sumi Book ships an update every 3 days, Linea Reader monthly. The most recent releases landed on October 13, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Sumi Book | Linea Reader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Monthly |
| Size | 49 MB | 27 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 12+ |
| Developer | [Oktay Demir](https://appshunter.io/developer/6777725671) | [Arach Tchoupani](https://appshunter.io/developer/1855777303) |

## What reviewers say

### Sumi Book

[App page](https://appshunter.io/ios/app/sumi-book/id6777730252)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| The Fine Press — Monthly | $3.99 | per month |
| The Fine Press — Annual | $24.99 | per year |
| The Fine Press — Lifetime | $49.99 | one-time |


### Linea Reader

[App page](https://appshunter.io/ios/app/linea-reader/id6790161733)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sumi Book free?

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

### Is Linea Reader free?

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

### Do Sumi Book or Linea Reader have ads?

Neither Sumi Book nor Linea Reader shows ads.

### Which is updated more often, Sumi Book or Linea Reader?

Sumi Book ships an update every 3 days, and Linea Reader monthly. Most recently, Sumi Book was updated on October 13, 2026 and Linea Reader on October 12, 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.*