# Smart Riddles & Brain Teasers vs Curiosity

The clearest difference is in-app purchases: Curiosity at none against Smart Riddles & Brain Teasers's 10. Curiosity also leads on ads (none vs shown) and review sentiment (100% vs 88%). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Smart Riddles & Brain Teasers sells 10 one-off in-app purchases. Curiosity asks for nothing beyond the download.

Smart Riddles & Brain Teasers ships an update every 3 weeks, Curiosity every 10 days. Both last shipped on November 3, 2026.

## The numbers

| Metric | Smart Riddles & Brain Teasers | Curiosity |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (37 ratings)](https://appshunter.io/ios/app/smart-riddles-and-brain-teasers/id1499789408/reviews)** | — |
| Number of ratings | **37** | — |
| Positive reviews | 87.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 368 MB | 462 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mobile Analytics Poland sp. z o.o.](https://appshunter.io/developer/1734436507) | [123D OOO LLC](https://appshunter.io/developer/680620509) |

## What reviewers say

### Smart Riddles & Brain Teasers

[App page](https://appshunter.io/ios/app/smart-riddles-and-brain-teasers/id1499789408)

Challenge your mind with creative and absurd solutions to tricky puzzles. This game offers innovative exercises to boost your IQ, logic, memory, and creativity. With numerous levels and constant updates, it provides a fun trivia experience for all ages.

**Highlights:** 160+ levels, Unexpected and humorous answers, IQ boosting exercises, Trivia for all ages, Constantly added new quizzes

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3 Diamonds | $0.99 | one-time |
| 10 Diamonds | $1.99 | one-time |
| 20 Diamonds | $2.99 | one-time |
| 500 Diamonds | $2.99 | one-time |
| Remove ADS | $3.99 | one-time |
| Special offer | $3.99 | one-time |
| 500 Diamonds + NoAds | $3.99 | one-time |
| 40 Diamonds | $4.99 | one-time |
| 2500 Diamonds Hot Offer | $4.99 | one-time |
| 2000 Diamonds | $6.99 | one-time |


### Curiosity

[App page](https://appshunter.io/ios/app/curiosity/id1599758191)

Embark on a journey of learning and brain training through engaging games. Explore diverse locations, test your knowledge, and sharpen your logic and decision-making skills. This app adapts to your level, offering rewards and personalized training to boost memory, attention, and intellect.

**Highlights:** Travel-themed educational games, Logic and decision-making challenges, Adaptive difficulty levels, Rewards and achievements, Performance statistics analysis, Memory, attention, and concentration training

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Smart Riddles & Brain Teasers free?

Smart Riddles & Brain Teasers is free to download, with in-app purchases available.

### Is Curiosity free?

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

### Do Smart Riddles & Brain Teasers or Curiosity have ads?

Smart Riddles & Brain Teasers shows ads; Curiosity does not.

### Which is updated more often, Smart Riddles & Brain Teasers or Curiosity?

Smart Riddles & Brain Teasers ships an update every 3 weeks, and Curiosity every 10 days. Most recently, Smart Riddles & Brain Teasers was updated on November 3, 2026 and Curiosity on November 3, 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.*