# Open Lector vs Sumi Book

The clearest difference is in-app purchases: Open Lector at none against Sumi Book's 3. Sumi Book's advantage is device support. On price and iOS requirement there is nothing between them.

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

## The numbers

| Metric | Open Lector | Sumi Book |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Every 5 days |
| Size | 8 MB | 53 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Joseph Tan](https://appshunter.io/developer/1807682800) | [Oktay Demir](https://appshunter.io/developer/6777725671) |

## What reviewers say

### Open Lector

[App page](https://appshunter.io/ios/app/open-lector/id6759466433)

**In-app purchases:** none


### Sumi Book

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

**Features:** macOS Compatibility, Vision Pro support, iPhone Duo 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 |


## Frequently asked questions

### Is Open Lector free?

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

### Is Sumi Book free?

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

---

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