# Selwyn Libraries vs OD Immersion

The clearest difference is update cadence: OD Immersion at fortnightly against Selwyn Libraries's every 3 months. On price, ads, in-app purchases and monetization model there is nothing between them.

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

Selwyn Libraries ships an update every 3 months, OD Immersion fortnightly. The most recent releases landed on August 8, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Selwyn Libraries | OD Immersion |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/od-immersion/id6738665312/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 50 MB | 46 MB |
| Requires iOS | **15.6** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Department of Internal Affairs](https://appshunter.io/developer/1442760439) | [OD Immersion LLC](https://appshunter.io/developer/1781763661) |

## What reviewers say

### Selwyn Libraries

[App page](https://appshunter.io/ios/app/selwyn-libraries/id1461713123)

Manage your library account on the go. Search the catalog, renew and reserve books, and access e-resources directly from your device.

**Highlights:** Manage library account, Search catalogue, Renew books, Reserve books, Access e-resources

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

**In-app purchases:** none


### OD Immersion

[App page](https://appshunter.io/ios/app/od-immersion/id6738665312)

Access your video content conveniently within a single application. Receive timely updates and notifications, and easily save your preferred posts for quick retrieval. Enjoy seamless access to all your videos without needing to recall passwords.

**Highlights:** Access all videos in one app, Receive push notifications, Password-free video access, Save favorite posts, Easy to use interface

**In-app purchases:** none


## Frequently asked questions

### Is Selwyn Libraries free?

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

### Is OD Immersion free?

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

### Do Selwyn Libraries or OD Immersion have ads?

Neither Selwyn Libraries nor OD Immersion shows ads.

### Which is updated more often, Selwyn Libraries or OD Immersion?

Selwyn Libraries ships an update every 3 months, and OD Immersion fortnightly. Most recently, Selwyn Libraries was updated on August 8, 2026 and OD Immersion on September 15, 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.*