# Brio Reader vs Mong Reader

The clearest difference is in-app purchases: Mong Reader at none against Brio Reader's 1. Mong Reader also leads on update cadence (daily vs every 2 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Brio Reader sells 1 one-off in-app purchase. Mong Reader asks for nothing beyond the download.

Brio Reader ships an update every 2 days, Mong Reader daily. Both last shipped on November 10, 2026.

## The numbers

| Metric | Brio Reader | Mong Reader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 days | **Daily** |
| Size | 22 MB | 44 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [MERIDIAN INNOVATION LLC](https://appshunter.io/developer/6803712183) | [Minjung Yoo](https://appshunter.io/developer/6825184187) |

## What reviewers say

### Brio Reader

[App page](https://appshunter.io/ios/app/brio-reader-book-reader/id6806602503)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Unlock | $4.99 | one-time |


### Mong Reader

[App page](https://appshunter.io/ios/app/mong-reader/id6825184185)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Brio Reader free?

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

### Is Mong Reader free?

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

### Do Brio Reader or Mong Reader have ads?

Neither Brio Reader nor Mong Reader shows ads.

### Which is updated more often, Brio Reader or Mong Reader?

Brio Reader ships an update every 2 days, and Mong Reader daily. Most recently, Brio Reader was updated on November 10, 2026 and Mong Reader on November 10, 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.*