# Simon's Triangle vs XStacks

The clearest difference is update cadence: XStacks at every 5 days against Simon's Triangle's every 14 months. Simon's Triangle's advantage is iOS requirement (10.0 vs 14.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Simon's Triangle sells 6 one-off in-app purchases and XStacks sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Simon's Triangle ships an update every 14 months, XStacks every 5 days. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Simon's Triangle | XStacks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/xstacks-3d-block-puzzle/id6751513777/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Size | 35 MB | 9 MB |
| Requires iOS | **10.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Michael Woode](https://appshunter.io/developer/705327878) | [Uplandme, Inc](https://appshunter.io/developer/1457175586) |

## 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 |


### XStacks

[App page](https://appshunter.io/ios/app/xstacks-3d-block-puzzle/id6751513777)

This 3D block puzzle game offers addictive, brain-training challenges with colorful tetromino stacking and line clearing. Enjoy captivating gameplay that sharpens your mind and relieves stress, playable offline anytime, anywhere.

**Highlights:** 3D block stacking, Line clearing mechanics, Brain-boosting puzzles, High score challenges, Offline play, Stunning 3D graphics

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium Access | $4.99 | per month |
| 10 Extra Lives | $0.99 | one-time |


## Frequently asked questions

### Is Simon's Triangle free?

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

### Is XStacks free?

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

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

Neither Simon's Triangle nor XStacks shows ads.

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

Simon's Triangle ships an update every 14 months, and XStacks every 5 days. Most recently, Simon's Triangle was updated on October 29, 2026 and XStacks on October 24, 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.*