# BRAIN 99 vs Crypto Cross

The clearest difference is update cadence: Crypto Cross at every 4 days against BRAIN 99's every 8 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. BRAIN 99 sells 12 one-off in-app purchases and Crypto Cross sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

BRAIN 99 ships an update every 8 days, Crypto Cross every 4 days. The most recent releases landed on October 4, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | BRAIN 99 | Crypto Cross |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/brain-99-quick-brain-battle/id6456751981/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 8 days | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 311 MB | 214 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [XOGAMES Inc](https://appshunter.io/developer/1133102824) | [Sabrina Junge](https://appshunter.io/developer/1652477081) |

## What reviewers say

### BRAIN 99

[App page](https://appshunter.io/ios/app/brain-99-quick-brain-battle/id6456751981)

Engage in real-time brain battles with friends and family. This game offers over 20 challenges to activate different parts of your brain, improving memory, observation, and calculation skills. Compete for rewards and titles to boost your IQ.

**Highlights:** Real-time multiplayer brain battles, Over 20 brain-activating challenges, Improves memory, observation, analysis, focus, calculation, Competitive rankings and rewards, Intuitive gameplay for all ages, Unlock new challenges and titles

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coins x1100 | $1.99 | one-time |
| Starter Pack Lv.1 | $1.99 | one-time |
| Coins x2500 | $3.99 | one-time |
| Starter Pack Lv.2 | $3.99 | one-time |
| No Ads | $5.99 | one-time |
| Starter Pack Lv.3 | $5.99 | one-time |
| Starter Pack | $5.99 | one-time |
| Coins x7500 | $7.99 | one-time |
| Starter Pack All | $7.99 | one-time |
| Coins x14900 | $14.99 | one-time |
| Coins x27000 | $17.99 | one-time |
| Coins x50000 | $22.99 | one-time |


### Crypto Cross

[App page](https://appshunter.io/ios/app/crypto-cross/id6738841626)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NoAds | $2.99 | one-time |
| Hint Package | $3.99 | one-time |


## Frequently asked questions

### Is BRAIN 99 free?

BRAIN 99 is free to download, with in-app purchases available.

### Is Crypto Cross free?

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

### Do BRAIN 99 or Crypto Cross have ads?

Both BRAIN 99 and Crypto Cross show ads.

### Which is updated more often, BRAIN 99 or Crypto Cross?

BRAIN 99 ships an update every 8 days, and Crypto Cross every 4 days. Most recently, BRAIN 99 was updated on October 4, 2026 and Crypto Cross on October 15, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*