# Know Brainer vs Short Term Memory

The clearest difference is iOS requirement: Know Brainer at 11.0 against Short Term Memory's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Know Brainer ships an update every 3 weeks, Short Term Memory fortnightly. The most recent releases landed on October 13, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Know Brainer | Short Term Memory |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free | — |
| Size | 92 MB | 4 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ritori](https://appshunter.io/developer/975033206) | [Daniel Albu](https://appshunter.io/developer/1797350328) |

## What reviewers say

### Know Brainer

[App page](https://appshunter.io/ios/app/know-brainer/id954165627)

Explore fascinating science facts and distinguish truth from fiction. Engage in challenges, discover surprising facts, and compete with others to become the smartest player. This addictive and free game offers a fresh perspective on the world.

**Highlights:** Mind-blowing science facts, Distinguish fact from fiction, Surprising discoveries, Challenge fellow players, Free to play, Addictive gameplay

**Features:** macOS Compatibility

**In-app purchases:** none


### Short Term Memory

[App page](https://appshunter.io/ios/app/short-term-memory-memory-game/id6742487128)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Know Brainer free?

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

### Is Short Term Memory free?

Short Term Memory is free to download, with no in-app purchases.

### Do Know Brainer or Short Term Memory have ads?

Neither Know Brainer nor Short Term Memory shows ads.

### Which is updated more often, Know Brainer or Short Term Memory?

Know Brainer ships an update every 3 weeks, and Short Term Memory fortnightly. Most recently, Know Brainer was updated on October 13, 2026 and Short Term Memory on October 1, 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.*