# Curiosity vs Mental Math Games

Curiosity and Mental Math Games are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Curiosity sells 9 in-app purchases, starting at $7.99 per month and Mental Math Games sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Curiosity ships an update every 2 weeks, Mental Math Games weekly. The most recent releases landed on October 20, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Curiosity | Mental Math Games |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (172 ratings)](https://appshunter.io/ios/app/curiosity-knowledge-is-power/id6462845357/reviews)** | — |
| Number of ratings | **172** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 63 MB | 17 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Rishabh Maini](https://appshunter.io/developer/1585715820) | [绍宝 叶](https://appshunter.io/developer/1840695283) |

## What reviewers say

### Curiosity

[App page](https://appshunter.io/ios/app/curiosity-knowledge-is-power/id6462845357)

Access book-level knowledge in short, engaging multimedia snippets. Learn about diverse topics instantly, anytime, anywhere, with personalized content tailored to your evolving interests. It's a modern approach to expanding your horizons.

**Highlights:** Instant knowledge snippets, Multimedia learning experience, Personalized learning journeys, Snackable content format, Diverse range of topics, Seamless user experience

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Curiosity Monthly | $7.99 | per month |
| Curiosity Premium | $7.99 | per month |
| Curiosity Weekly Premium | $7.99 | per 7 days |
| Curiosity Monthly | $8.99 | per month |
| Curiosity Weekly | $9.99 | per 7 days |
| Curiosity Yearly Exit Offer 1 | $34.99 | per year |
| Curiosity Yearly | $49.99 | per year |
| Curiosity Yearly Sub (7 Day Free) | $69.99 | per year |
| Curiosity Yearly Premium | $69.99 | per year |


### Mental Math Games

[App page](https://appshunter.io/ios/app/mental-math-games-bopoom/id6819036226)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version Monthly | $1.99 | per month |
| Full Version | $9.99 | one-time |


## Frequently asked questions

### Is Curiosity free?

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

### Is Mental Math Games free?

Mental Math Games is free to download, with in-app purchases available.

### Do Curiosity or Mental Math Games have ads?

Neither Curiosity nor Mental Math Games shows ads.

### Which is updated more often, Curiosity or Mental Math Games?

Curiosity ships an update every 2 weeks, and Mental Math Games weekly. Most recently, Curiosity was updated on October 20, 2026 and Mental Math Games on October 26, 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.*