# Curio vs AP Physics Practice Test

The clearest difference is ads: AP Physics Practice Test at none against Curio's shown. Curio's advantage is update cadence (every 2 weeks vs every 4 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Curio sells 2 in-app purchases, starting at $8.99 per month and AP Physics Practice Test sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Curio ships an update every 2 weeks, AP Physics Practice Test every 4 months. The most recent releases landed on October 9, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Curio | AP Physics Practice Test |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/curio-learn-by-discovering/id6754835692/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 98 MB | 22 MB |
| Requires iOS | **15.1** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Harvey Roberts](https://appshunter.io/developer/1465289663) | [iAPPSSTUDIO](https://appshunter.io/developer/1830642259) |

## What reviewers say

### Curio

[App page](https://appshunter.io/ios/app/curio-learn-by-discovering/id6754835692)

Discover new knowledge through engaging levels and quizzes. Personalize your learning journey by exploring topics that interest you, from history to science. Build a daily streak and solidify your understanding with review sessions.

**Highlights:** Explore personalized topics, Interactive learning levels, Engaging quizzes, Lesson review sessions, Daily streak tracking, Wide range of subjects

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Curio Unlimited Monthly | $8.99 | per month |
| Curio Unlimited Yearly | $39.99 | per year |


### AP Physics Practice Test

[App page](https://appshunter.io/ios/app/ap-physics-practice-test-prep/id6770467566)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get Lifetime Access | $7.99 | one-time |


## Frequently asked questions

### Is Curio free?

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

### Is AP Physics Practice Test free?

AP Physics Practice Test is free to download, with in-app purchases available.

### Do Curio or AP Physics Practice Test have ads?

Curio shows ads; AP Physics Practice Test does not.

### Which is updated more often, Curio or AP Physics Practice Test?

Curio ships an update every 2 weeks, and AP Physics Practice Test every 4 months. Most recently, Curio was updated on October 9, 2026 and AP Physics Practice Test 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.*