# LibDev vs /cards

The clearest difference is in-app purchases: LibDev at none against /cards's 4. LibDev also leads on update cadence (every 4 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. /cards sells 4 in-app purchases, starting at $2.99 per month. LibDev asks for nothing beyond the download.

LibDev ships an update every 4 days, /cards every 3 weeks. Both last shipped on September 23, 2026.

## The numbers

| Metric | LibDev | /cards |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 3 weeks |
| Size | 54 MB | 5 MB |
| Requires iOS | 18.2 | **18.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [LIBERA ARNEL LATE LAWSON](https://appshunter.io/developer/1876219554) | [Parra LLC](https://appshunter.io/developer/1865552317) |

## What reviewers say

### LibDev

[App page](https://appshunter.io/ios/app/libdev/id6758995791)

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

**In-app purchases:** none


### /cards

[App page](https://appshunter.io/ios/app/cards-claude-code-flashcards/id6770581039)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $2.99 | per month |
| Pro Annual | $7.99 | per year |
| Pro Annual | $19.99 | per year |
| Pro lifetime | $14.99 | one-time |


## Frequently asked questions

### Is LibDev free?

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

### Is /cards free?

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

### Do LibDev or /cards have ads?

Neither LibDev nor /cards shows ads.

### Which is updated more often, LibDev or /cards?

LibDev ships an update every 4 days, and /cards every 3 weeks. Most recently, LibDev was updated on September 23, 2026 and /cards on September 23, 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.*