# Brain Flash vs Intergalactic Algebra

The clearest difference is review sentiment: Intergalactic Algebra at 100% against Brain Flash's 57%. Intergalactic Algebra also leads on rating (4.8 vs 3.5) and update cadence (every 3 weeks vs every 25 months). Brain Flash's advantage is in-app purchases (none vs 10) and ratings volume (26 vs 6). On price, ads and device support there is nothing between them.

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

Intergalactic Algebra holds the better App Store score, 4.8 against 3.5. Both are backed by a comparable volume of ratings — 26 and 6 respectively. Written reviews point the same way: 57% of Brain Flash's written reviews are positive against 100% of Intergalactic Algebra's.

Brain Flash ships an update every 25 months, Intergalactic Algebra every 3 weeks. The most recent releases landed on October 21, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Brain Flash | Intergalactic Algebra |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (26 ratings)](https://appshunter.io/ios/app/brain-flash-mind-training/id1062164869/reviews) | **[4.8 (6 ratings)](https://appshunter.io/ios/app/intergalactic-algebra/id1550524246/reviews)** |
| Number of ratings | **26** | 6 |
| Positive reviews | 56.5% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 25 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 56 MB | 280 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PPCLINK Software](https://appshunter.io/developer/833424538) | [Intergalactic Education LLC](https://appshunter.io/developer/1364648815) |

## What reviewers say

### Brain Flash

[App page](https://appshunter.io/ios/app/brain-flash-mind-training/id1062164869)

Engage your mind with six unique mini-games designed to boost cognitive abilities. Test your reflexes, memory, and pattern recognition in fast-paced challenges.

**Highlights:** Rock-paper-scissors with color rules, Speed card matching, True color perception challenge, Conditional tapping game, Directional swipe game, Identify unique patterns

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

**In-app purchases:** none


### Intergalactic Algebra

[App page](https://appshunter.io/ios/app/intergalactic-algebra/id1550524246)

Engage with algebra through a collection of space-themed games. Solve mathematical problems to launch rockets and advance your skills. The app aligns with Common Core standards and offers optional reports for progress analysis.

**Highlights:** Algebraic problem-solving, Rocket launching gameplay, Common Core aligned math, Proficiency assessment, Optional progress reports, Rewarding gameplay

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Factoring Rocket Report | $2.99 | one-time |
| Functions Rocket Report | $2.99 | one-time |
| Addition Subtraction Report | $2.99 | one-time |
| Multiples of Ten Report | $2.99 | one-time |
| Num Of Solutions Report | $2.99 | one-time |
| Quadratics Rocket Report | $2.99 | one-time |
| Rates of Change Report | $2.99 | one-time |
| Word Problems Rocket Report | $2.99 | one-time |
| Rocket Trivia Rocket Report | $2.99 | one-time |
| Progressions Report | $2.99 | one-time |


## Frequently asked questions

### Is Brain Flash free?

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

### Is Intergalactic Algebra free?

Intergalactic Algebra is free to download, with in-app purchases available.

### Which has better reviews, Brain Flash or Intergalactic Algebra?

Intergalactic Algebra is rated higher. Brain Flash averages 3.5 out of 5 from 26 ratings, while Intergalactic Algebra averages 4.8 from 6 ratings.

### Do Brain Flash or Intergalactic Algebra have ads?

Neither Brain Flash nor Intergalactic Algebra shows ads.

### Which is updated more often, Brain Flash or Intergalactic Algebra?

Brain Flash ships an update every 25 months, and Intergalactic Algebra every 3 weeks. Most recently, Brain Flash was updated on October 21, 2026 and Intergalactic Algebra on October 9, 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.*