# Algo Demo vs Memorida

The clearest difference is update cadence: Memorida at fortnightly against Algo Demo's every 4 months. Algo Demo's advantage is iOS requirement (13.0 vs 15.0). 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.

Algo Demo ships an update every 4 months, Memorida fortnightly. Both last shipped on October 25, 2026.

## The numbers

| Metric | Algo Demo | Memorida |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Fortnightly** |
| Size | 36 MB | 39 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [zhuo zeng](https://appshunter.io/developer/1435764582) | [Gdero software](https://appshunter.io/developer/1748643612) |

## What reviewers say

### Algo Demo

[App page](https://appshunter.io/ios/app/algo-demo/id6746090108)

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

**In-app purchases:** none


### Memorida

[App page](https://appshunter.io/ios/app/memorida/id6749247486)

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

**In-app purchases:** none


## Frequently asked questions

### Is Algo Demo free?

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

### Is Memorida free?

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

### Do Algo Demo or Memorida have ads?

Both Algo Demo and Memorida show ads.

### Which is updated more often, Algo Demo or Memorida?

Algo Demo ships an update every 4 months, and Memorida fortnightly. Most recently, Algo Demo was updated on October 25, 2026 and Memorida on October 25, 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.*