# URSO vs CardX

The clearest difference is update cadence: CardX at daily against URSO's every 2 weeks. URSO's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 17.0). On price, ads and in-app purchases there is nothing between them.

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

URSO ships an update every 2 weeks, CardX daily. The most recent releases landed on October 2, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | URSO | CardX |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Daily** |
| Size | 49 MB | 6 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Zangia Portal LLC](https://appshunter.io/developer/1606332442) | [Xchel Alonso Carranza de la O](https://appshunter.io/developer/1534657795) |

## What reviewers say

### URSO

[App page](https://appshunter.io/ios/app/urso/id6511217187)

**In-app purchases:** none


### CardX

[App page](https://appshunter.io/ios/app/cardx-learn-languages/id6753774145)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is URSO free?

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

### Is CardX free?

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

### Do URSO or CardX have ads?

Neither URSO nor CardX shows ads.

### Which is updated more often, URSO or CardX?

URSO ships an update every 2 weeks, and CardX daily. Most recently, URSO was updated on October 2, 2026 and CardX on October 8, 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.*