# Curio vs Idioms In Use

The clearest difference is ads: Curio at none against Idioms In Use's shown. Idioms In Use's advantage is device support (4 vs 1) and iOS requirement (15.0 vs 17.6). On price and in-app purchases there is nothing between them.

Both are free to download. Curio sells 8 in-app purchases, starting at $2.99 per month and Idioms In Use sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Curio | Idioms In Use |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 129 MB | 29 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Kilian Cermin](https://appshunter.io/developer/6773889116) | [Hoa Nguyen Quang](https://appshunter.io/developer/1434185665) |

## What reviewers say

### Curio

[App page](https://appshunter.io/ios/app/curio-general-knowledge/id6773889114)

Expand your general knowledge with bite-sized facts delivered through a swipeable interface. Engage with quizzes to reinforce learning and discover new interests across various categories. Become a more informed individual with daily doses of fascinating information.

**Highlights:** Swipeable fact cards, Experience points and leagues, Daily knowledge in snack format, Quizzes to solidify learning, Curated feed from 20+ categories, Conversation starters

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Curio Pro (1 Month) | $2.99 | per month |
| Curio Pro (1 Month) | $3.99 | per month |
| Curio Pro (1 Month) | $6.99 | per month |
| Curio Pro (1 Month) | $8.99 | per month |
| Curio Pro (1 Year) | $17.99 | per year |
| Curio Pro (1 Year) | $29.99 | per year |
| Curio Pro (1 Year) | $44.99 | per year |
| Curio Pro (1 Year) | $59.99 | per year |


### Idioms In Use

[App page](https://appshunter.io/ios/app/idioms-in-use/id6811328565)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Idioms Pro | $4.99 | one-time |


## Frequently asked questions

### Is Curio free?

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

### Is Idioms In Use free?

Idioms In Use is free to download, with in-app purchases available.

### Do Curio or Idioms In Use have ads?

Idioms In Use shows ads; Curio does not.

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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.*