# 67! Challenge vs Brainzot Egg

The clearest difference is rating: Brainzot Egg at 4.7 against 67! Challenge's 3.7. Brainzot Egg also leads on in-app purchases (none vs 3) and ratings volume (6.3K vs 3). 67! Challenge's advantage is ads (none vs shown) and update cadence (daily vs every 2 weeks). On price and device support there is nothing between them.

Both are free to download. 67! Challenge sells 3 one-off in-app purchases. Brainzot Egg asks for nothing beyond the download.

Brainzot Egg holds the better App Store score, 4.7 against 3.7. That said, the two scores are not equally well evidenced: Brainzot Egg has 6.3K ratings behind it against 3, so its average is the more settled of the two.

67! Challenge ships an update daily, Brainzot Egg every 2 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 67! Challenge | Brainzot Egg |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/67-challenge/id6756285482/reviews) | **[4.7 (6.3K ratings)](https://appshunter.io/ios/app/brainzot-egg-lava-run/id6758939002/reviews)** |
| Number of ratings | 3 | **6.3K** |
| Positive reviews | — | 45.5% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Every 2 weeks |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 8 MB | 584 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Arisa Nakanam](https://appshunter.io/developer/1806728292) | [Nam Nguyen](https://appshunter.io/developer/6786678064) |

## What reviewers say

### 67! Challenge

[App page](https://appshunter.io/ios/app/67-challenge/id6756285482)

This game challenges you to tap the numbers 6 and 7 within 10 seconds of receiving a notification every hour. Missing a notification or tap resets your streak to zero, testing your focus and reflexes. Compete globally and track your progress with this addictive, simple-to-learn game.

**Highlights:** Hourly notification challenge, 10-second tap window, Streak tracking, Global leaderboards, Home screen widget, Haptic feedback

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 5 Freezes | $0.99 | one-time |
| 20 Freezes | $2.99 | one-time |
| 50 Freezes | $5.99 | one-time |


### Brainzot Egg

[App page](https://appshunter.io/ios/app/brainzot-egg-lava-run/id6758939002)

Race to collect brainzots and survive the rising lava. Use earned money to upgrade your abilities, allowing you to jump higher and survive longer. Discover secret collectibles as you outrun the heat.

**Highlights:** Fast-paced running gameplay, Collect brainzots, Avoid rising magma, Upgrade abilities, Rebirth system, Secret collectibles

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

**In-app purchases:** none


## Frequently asked questions

### Is 67! Challenge free?

67! Challenge is free to download, with in-app purchases available.

### Is Brainzot Egg free?

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

### Which has better reviews, 67! Challenge or Brainzot Egg?

Brainzot Egg is rated higher. 67! Challenge averages 3.7 out of 5 from 3 ratings, while Brainzot Egg averages 4.7 from 6.3K ratings.

### Do 67! Challenge or Brainzot Egg have ads?

Brainzot Egg shows ads; 67! Challenge does not.

### Which is updated more often, 67! Challenge or Brainzot Egg?

67! Challenge ships an update daily, and Brainzot Egg every 2 weeks. Most recently, 67! Challenge was updated on October 30, 2026 and Brainzot Egg on October 31, 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.*