# BrainMath vs Shopping Black Hole

The clearest difference is update cadence: Shopping Black Hole at every 5 days against BrainMath's every 6 months. Shopping Black Hole also leads on iOS requirement (15.0 vs 17.6). On price, ads, 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.

BrainMath ships an update every 6 months, Shopping Black Hole every 5 days. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | BrainMath | Shopping Black Hole |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (2 ratings)](https://appshunter.io/ios/app/brainmath-math-games/id1135746253/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 6 months | **Every 5 days** |
| Monetization | Ad-supported | — |
| Size | 20 MB | 170 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Tarika Sultana](https://appshunter.io/developer/1135746252) | [心杨 李](https://appshunter.io/developer/1703689690) |

## What reviewers say

### BrainMath

[App page](https://appshunter.io/ios/app/brainmath-math-games/id1135746253)

This brain training app enhances focus, thinking speed, and memory through quick math challenges. Test your arithmetic skills with timed addition and subtraction equations, competing with friends via Game Center.

**Highlights:** Addition and subtraction equations, Graphical timer, Game Center integration, Randomly generated challenges, Social media sharing

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

**In-app purchases:** none


### Shopping Black Hole

[App page](https://appshunter.io/ios/app/shopping-black-hole/id6463412775)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BrainMath free?

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

### Is Shopping Black Hole free?

Shopping Black Hole is free to download, with no in-app purchases.

### Do BrainMath or Shopping Black Hole have ads?

Both BrainMath and Shopping Black Hole show ads.

### Which is updated more often, BrainMath or Shopping Black Hole?

BrainMath ships an update every 6 months, and Shopping Black Hole every 5 days. Most recently, BrainMath was updated on October 24, 2026 and Shopping Black Hole on October 10, 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.*