# Oyster Privilege vs Eterna

The clearest difference is in-app purchases: Oyster Privilege at none against Eterna's 2. Oyster Privilege also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Eterna sells 2 in-app purchases, starting at $4.99 per month. Oyster Privilege asks for nothing beyond the download.

Oyster Privilege ships an update monthly, Eterna every 5 weeks. The most recent releases landed on September 8, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Oyster Privilege | Eterna |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 5 weeks |
| Size | 39 MB | 48 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alfardan Properties](https://appshunter.io/developer/1121590529) | [Ramazan Zhetpysbayev](https://appshunter.io/developer/1883783142) |

## What reviewers say

### Oyster Privilege

[App page](https://appshunter.io/ios/app/oyster-privilege/id6446475882)

**Features:** macOS Compatibility

**In-app purchases:** none


### Eterna

[App page](https://appshunter.io/ios/app/eterna-memory-capsule/id6760313762)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Eterna Plus | $4.99 | per month |
| Eterna Plus — Annual | $39.99 | per year |


## Frequently asked questions

### Is Oyster Privilege free?

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

### Is Eterna free?

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

### Do Oyster Privilege or Eterna have ads?

Eterna shows ads; Oyster Privilege does not.

### Which is updated more often, Oyster Privilege or Eterna?

Oyster Privilege ships an update monthly, and Eterna every 5 weeks. Most recently, Oyster Privilege was updated on September 8, 2026 and Eterna on September 11, 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.*