# Brain Blast Prime vs Cross Math

The clearest difference is ads: Brain Blast Prime at none against Cross Math's shown. Brain Blast Prime also leads on iOS requirement (8.2 vs 13.2). Cross Math's advantage is update cadence (weekly vs every 5 weeks). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Brain Blast Prime ships an update every 5 weeks, Cross Math weekly. The most recent releases landed on November 7, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Brain Blast Prime | Cross Math |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/brain-blast-prime/id320253444/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Weekly** |
| Monetization | Free | — |
| Size | 1 MB | 6 MB |
| Requires iOS | **8.2** | 13.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BidBox, LLC](https://appshunter.io/developer/313234226) | [玉娥 李](https://appshunter.io/developer/1710233000) |

## What reviewers say

### Brain Blast Prime

[App page](https://appshunter.io/ios/app/brain-blast-prime/id320253444)

Test your mental agility with a timed math challenge focused on identifying prime numbers. Answer as many single-digit calculations correctly as possible within 60 seconds to improve reaction time and math skills. Suitable for all ages, it encourages personal bests and friendly competition.

**Highlights:** Timed prime number identification, Single-digit calculations, Improve reaction time, Enhance math skills, Challenge friends, Personal record breaking

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

**In-app purchases:** none


### Cross Math

[App page](https://appshunter.io/ios/app/cross-math-brain-puzzle-game/id6478520610)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Brain Blast Prime free?

Brain Blast Prime is free to download, with no in-app purchases.

### Is Cross Math free?

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

### Do Brain Blast Prime or Cross Math have ads?

Cross Math shows ads; Brain Blast Prime does not.

### Which is updated more often, Brain Blast Prime or Cross Math?

Brain Blast Prime ships an update every 5 weeks, and Cross Math weekly. Most recently, Brain Blast Prime was updated on November 7, 2026 and Cross Math on November 4, 2026.

---

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