# En vs O1 Engage

The clearest difference is update cadence: En at every 2 months against O1 Engage's every 4 months. 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.

En ships an update every 2 months, O1 Engage every 4 months. Both last shipped on October 25, 2026.

## The numbers

| Metric | En | O1 Engage |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Size | 35 MB | 23 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Omkar Chaughule](https://appshunter.io/developer/1570954272) | [Shabareesh Deepak](https://appshunter.io/developer/923080921) |

## What reviewers say

### En

[App page](https://appshunter.io/ios/app/en-lighthouse/id6449392800)

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

**In-app purchases:** none


### O1 Engage

[App page](https://appshunter.io/ios/app/o1-engage/id6498871573)

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

**In-app purchases:** none


## Frequently asked questions

### Is En free?

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

### Is O1 Engage free?

O1 Engage is free to download, with no in-app purchases.

### Do En or O1 Engage have ads?

Neither En nor O1 Engage shows ads.

### Which is updated more often, En or O1 Engage?

En ships an update every 2 months, and O1 Engage every 4 months. Most recently, En was updated on October 25, 2026 and O1 Engage on October 25, 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.*