# Active Smart Brain Checkers vs Memuri

The clearest difference is ads: Active Smart Brain Checkers at none against Memuri's shown. Active Smart Brain Checkers also leads on iOS requirement (9.0 vs 17.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Active Smart Brain Checkers sells 3 one-off in-app purchases and Memuri sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Active Smart Brain Checkers | Memuri |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (4 ratings)](https://appshunter.io/ios/app/active-smart-brain-checkers/id1084753375/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Weekly | Weekly |
| Monetization | Free with in-app purchases | — |
| Size | 9 MB | 24 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | +4 | 4+ |
| Developer | [Arch Square](https://appshunter.io/developer/432278777) | [HYUNWOO PARK](https://appshunter.io/developer/6805617966) |

## What reviewers say

### Active Smart Brain Checkers

[App page](https://appshunter.io/ios/app/active-smart-brain-checkers/id1084753375)

Test your math skills with a fast-paced puzzle game. Quickly determine if equations are correct or incorrect within a strict time limit. Progress through increasingly challenging levels across four fundamental arithmetic operations.

**Highlights:** Speed math challenges, Right/Wrong equation tapping, Time-sensitive gameplay, Progressive difficulty, Addition mode, Subtraction mode, Multiplication mode, Division mode

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pack of 250 Tokens | $0.99 | one-time |
| Pack to Unlock All Game Modes | $1.99 | one-time |
| Pack to Remove Ads | $1.99 | one-time |


### Memuri

[App page](https://appshunter.io/ios/app/memuri-occlusion-flashcards/id6805617964)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Memuri Pro Monthly | $3.99 | per month |
| Memuri Pro Yearly | $19.99 | per year |
| Memuri Pro Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is Active Smart Brain Checkers free?

Active Smart Brain Checkers is free to download, with in-app purchases available.

### Is Memuri free?

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

### Do Active Smart Brain Checkers or Memuri have ads?

Memuri shows ads; Active Smart Brain Checkers does not.

### Which is updated more often, Active Smart Brain Checkers or Memuri?

Active Smart Brain Checkers ships an update weekly, and Memuri weekly. Most recently, Active Smart Brain Checkers was updated on November 8, 2026 and Memuri 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.*