# ORNL Library Self vs SJNKNOX

The clearest difference is update cadence: ORNL Library Self at fortnightly against SJNKNOX's every 3 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.

ORNL Library Self ships an update fortnightly, SJNKNOX every 3 months. Both last shipped on November 4, 2026.

## The numbers

| Metric | ORNL Library Self | SJNKNOX |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 months |
| Size | 356 MB | 72 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Meescan Inc.](https://appshunter.io/developer/1609729285) | [SJNKNOX](https://appshunter.io/developer/1764657624) |

## What reviewers say

### ORNL Library Self

[App page](https://appshunter.io/ios/app/ornl-library-self-checkout/id6473654261)

**Features:** macOS Compatibility

**In-app purchases:** none


### SJNKNOX

[App page](https://appshunter.io/ios/app/sjnknox/id6661019549)

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

**In-app purchases:** none


## Frequently asked questions

### Is ORNL Library Self free?

ORNL Library Self is free to download, with no in-app purchases.

### Is SJNKNOX free?

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

### Do ORNL Library Self or SJNKNOX have ads?

Neither ORNL Library Self nor SJNKNOX shows ads.

### Which is updated more often, ORNL Library Self or SJNKNOX?

ORNL Library Self ships an update fortnightly, and SJNKNOX every 3 months. Most recently, ORNL Library Self was updated on November 4, 2026 and SJNKNOX on November 4, 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.*