# Mirax vs Oftbook

The clearest difference is in-app purchases: Mirax at none against Oftbook's 2. Oftbook's advantage is update cadence (every 3 days vs every 10 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Oftbook sells 2 in-app purchases, starting at $19.99 per month. Mirax asks for nothing beyond the download.

Mirax ships an update every 10 months, Oftbook every 3 days. The most recent releases landed on May 16, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Mirax | Oftbook |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 days** |
| Size | 104 MB | 38 MB |
| Requires iOS | 15.5 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | +17 |
| Developer | [JB CURSOS LTDA](https://appshunter.io/developer/1610217305) | [OFTBOOK OFTALMOLOGIA DIGITAL LTDA](https://appshunter.io/developer/1616321191) |

## What reviewers say

### Mirax

[App page](https://appshunter.io/ios/app/mirax/id1639001942)

**Features:** macOS Compatibility

**In-app purchases:** none


### Oftbook

[App page](https://appshunter.io/ios/app/oftbook/id6759061221)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Oftbook premium mensal | $19.99 | per month |
| Oftbook premium anual | $149.99 | per year |


## Frequently asked questions

### Is Mirax free?

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

### Is Oftbook free?

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

### Do Mirax or Oftbook have ads?

Neither Mirax nor Oftbook shows ads.

### Which is updated more often, Mirax or Oftbook?

Mirax ships an update every 10 months, and Oftbook every 3 days. Most recently, Mirax was updated on May 16, 2026 and Oftbook 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.*