# ShellX vs BibKit

The clearest difference is in-app purchases: ShellX at none against BibKit's 2. ShellX also leads on update cadence (every 3 days vs every 9 days) and iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. BibKit sells 2 in-app purchases, starting at $2.99 per year. ShellX asks for nothing beyond the download.

ShellX ships an update every 3 days, BibKit every 9 days. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | ShellX | BibKit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 9 days |
| Size | 37 MB | 7 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Laurens van Leer B.V.](https://appshunter.io/developer/1796054354) | [Lale Taneri](https://appshunter.io/developer/1864591147) |

## What reviewers say

### ShellX

[App page](https://appshunter.io/ios/app/shellx/id6758803722)

**Features:** macOS Compatibility

**In-app purchases:** none


### BibKit

[App page](https://appshunter.io/ios/app/bibkit/id6763628045)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BibKit Yearly | $2.99 | per year |
| BibKit Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is ShellX free?

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

### Is BibKit free?

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

### Do ShellX or BibKit have ads?

Neither ShellX nor BibKit shows ads.

### Which is updated more often, ShellX or BibKit?

ShellX ships an update every 3 days, and BibKit every 9 days. Most recently, ShellX was updated on October 28, 2026 and BibKit on October 31, 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.*