# Smart Brain vs Quizerra

The clearest difference is in-app purchases: Quizerra at none against Smart Brain's 10. Quizerra also leads on update cadence (every 10 days vs every 2 months). Smart Brain's advantage is iOS requirement (13.0 vs 17.0). On price, ads and device support there is nothing between them.

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

Smart Brain ships an update every 2 months, Quizerra every 10 days. The most recent releases landed on November 3, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Smart Brain | Quizerra |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (4.9K ratings)](https://appshunter.io/ios/app/smart-brain-mind-blowing-game/id1535521299/reviews)** | — |
| Number of ratings | **4.9K** | — |
| Positive reviews | 45.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | Free with in-app purchases | — |
| Size | 413 MB | 8 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [UNICO STUDIO](https://appshunter.io/developer/1467451326) | [Marcel Krause](https://appshunter.io/developer/6789493205) |

## What reviewers say

### Smart Brain

[App page](https://appshunter.io/ios/app/smart-brain-mind-blowing-game/id1535521299)

Engage in over 250 levels of challenging brain teasers, tricky puzzles, and emoji quizzes designed to test your IQ and lateral thinking. This game offers a fun and addictive casual gaming experience for all ages, requiring logic, observation, and creative problem-solving skills.

**Highlights:** 250+ levels of brain teasers, Tricky puzzles and emoji quizzes, Tests IQ and lateral thinking, Creative problem-solving challenges, Fun for all ages, Offline play

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Smart Essentials | $0.99 | one-time |
| Smart Starter (10 Keys) | $1.99 | one-time |
| Remove Ads | $2.99 | one-time |
| Puzzle Master | $2.99 | one-time |
| Smart Brain VIP Pack | $3.99 | one-time |
| Thinker Pack (30 Keys) | $4.99 | one-time |
| Genius Junkie | $5.99 | one-time |
| Puzzle Prodigy (50 Keys) | $7.99 | one-time |
| Smart Brain Elite Pack | $9.99 | one-time |
| Brain Game Ultimo (100 Coins) | $14.99 | one-time |

**What reviewers like**

- 👍 Fun and engaging brain teasers
- 🤔 Challenging puzzles that make you think
- 🎨 Simple but nice graphics

**What reviewers complain about**

- 🔍 Clues and hints not always helpful
- 🤖 Some puzzles don't work as intended
- 🔋 High battery consumption due to ads
- 💸 Excessive ads after every level
- 🐛 Frequent crashes and glitches

**Reported bugs**

- Levels not registering as completed
- Buttons/UI elements overlapping
- Inability to interact with required objects
- Levels getting stuck and unable to progress

**Requested features**

- Reduce frequency of ads
- Fix bugs and glitches
- Improve puzzle logic and clues
- Add progress saving functionality


### Quizerra

[App page](https://appshunter.io/ios/app/quizerra/id6789493203)

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

**In-app purchases:** none


## Frequently asked questions

### Is Smart Brain free?

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

### Is Quizerra free?

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

### Do Smart Brain or Quizerra have ads?

Both Smart Brain and Quizerra show ads.

### Which is updated more often, Smart Brain or Quizerra?

Smart Brain ships an update every 2 months, and Quizerra every 10 days. Most recently, Smart Brain was updated on November 3, 2026 and Quizerra on October 28, 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.*