# Simon's Triangle vs Memorix

The clearest difference is in-app purchases: Memorix at none against Simon's Triangle's 6. Memorix also leads on update cadence (every 4 days vs every 14 months). Simon's Triangle's advantage is ads (none vs shown) and iOS requirement (10.0 vs 15.1). On price and device support there is nothing between them.

Both are free to download. Simon's Triangle sells 6 one-off in-app purchases. Memorix asks for nothing beyond the download.

Simon's Triangle ships an update every 14 months, Memorix every 4 days. The most recent releases landed on September 25, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Simon's Triangle | Memorix |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 14 months | **Every 4 days** |
| Size | 35 MB | 51 MB |
| Requires iOS | **10.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Michael Woode](https://appshunter.io/developer/705327878) | [WEBIST LLC](https://appshunter.io/developer/1896508483) |

## What reviewers say

### Simon's Triangle

[App page](https://appshunter.io/ios/app/simons-triangle/id1227068239)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small pack of repeats | $0.99 | one-time |
| Cheat mode | $0.99 | one-time |
| Remove Ads | $0.99 | one-time |
| Medium pack of repeats | $1.99 | one-time |
| Large pack of repeats | $2.99 | one-time |
| Extra large pack of repeats | $3.99 | one-time |


### Memorix

[App page](https://appshunter.io/ios/app/memorix-memory-train/id6767783183)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Simon's Triangle free?

Simon's Triangle is free to download, with in-app purchases available.

### Is Memorix free?

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

### Do Simon's Triangle or Memorix have ads?

Memorix shows ads; Simon's Triangle does not.

### Which is updated more often, Simon's Triangle or Memorix?

Simon's Triangle ships an update every 14 months, and Memorix every 4 days. Most recently, Simon's Triangle was updated on September 25, 2026 and Memorix on October 8, 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.*