# OMJ vs Miragebooks

The clearest difference is update cadence: Miragebooks at fortnightly against OMJ's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

OMJ ships an update monthly, Miragebooks fortnightly. The most recent releases landed on October 22, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | OMJ | Miragebooks |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Size | 10 MB | 87 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [The Oil Market Journal](https://appshunter.io/developer/1218833402) | [Ming Gong](https://appshunter.io/developer/1647638242) |

## What reviewers say

### OMJ

[App page](https://appshunter.io/ios/app/omj/id1220892801)

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

**In-app purchases:** none


### Miragebooks

[App page](https://appshunter.io/ios/app/miragebooks/id6443770674)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OMJ free?

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

### Is Miragebooks free?

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

### Do OMJ or Miragebooks have ads?

Neither OMJ nor Miragebooks shows ads.

### Which is updated more often, OMJ or Miragebooks?

OMJ ships an update monthly, and Miragebooks fortnightly. Most recently, OMJ was updated on October 22, 2026 and Miragebooks on October 27, 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.*