# Stack Guru vs Cube Algorithms X

The clearest difference is price: Stack Guru at Free against Cube Algorithms X's $5.99. Stack Guru also leads on update cadence (monthly vs every 3 months). Cube Algorithms X's advantage is chart position (#191 vs unranked) and ratings volume (32 vs 5). On rating, review sentiment, ads and in-app purchases there is nothing between them.

Stack Guru is free to download; Cube Algorithms X costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.8 for Stack Guru against 4.8 for Cube Algorithms X. That said, the two scores are not equally well evidenced: Cube Algorithms X has 32 ratings behind it against 5, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Stack Guru ships an update monthly, Cube Algorithms X every 3 months. The most recent releases landed on June 4, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Stack Guru | Cube Algorithms X |
| --- | --- | --- |
| Price | **Free** | $5.99 |
| Rating | [4.8 (5 ratings)](https://appshunter.io/ios/app/stack-guru/id1492951343/reviews) | [4.8 (32 ratings)](https://appshunter.io/ios/app/cube-algorithms-x/id1546834302/reviews) |
| Number of ratings | 5 | **32** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | **Free** | Paid |
| Best chart rank | — | **#191** |
| Size | 4 MB | 14 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jonas Eriksson](https://appshunter.io/developer/305659705) | [巍 赵](https://appshunter.io/developer/1136527068) |

## What reviewers say

### Stack Guru

[App page](https://appshunter.io/ios/app/stack-guru/id1492951343)

This app helps users memorize and practice a specific card stack, offering customizable practice modes and scheduled reminders. It features seamless integration with Apple Watch for on-the-go practice and progress tracking.

**Highlights:** Customizable practice modes, Scheduled practice reminders, Apple Watch integration, Dark mode support, CloudKit (iCloud) data security, Offline practice capability

**Features:** macOS Compatibility

**In-app purchases:** none


### Cube Algorithms X

[App page](https://appshunter.io/ios/app/cube-algorithms-x/id1546834302)

**Currently charting:** #191 Top Paid · Education (US App Store)

This app provides a comprehensive collection of algorithms for various magic cube puzzles. It features realistic 3D graphics, custom session creation, and support for iCloud synchronization. Learn and master complex cube solving techniques with detailed tutorials.

**Highlights:** Supports 2x2x2 to 4x4x4 cubes, Includes F2L, OLL, PLL, and more, Realistic 3D graphics and animation, Create custom algorithm sessions, iCloud synchronization, Customizable puzzle and fingertrick colors

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

**In-app purchases:** none


## Frequently asked questions

### Is Stack Guru free?

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

### Is Cube Algorithms X free?

Cube Algorithms X costs $5.99, with no in-app purchases.

### Which has better reviews, Stack Guru or Cube Algorithms X?

Stack Guru and Cube Algorithms X are both rated 4.8 out of 5 on the App Store, from 5 and 32 ratings respectively.

### Do Stack Guru or Cube Algorithms X have ads?

Neither Stack Guru nor Cube Algorithms X shows ads.

### Which is updated more often, Stack Guru or Cube Algorithms X?

Stack Guru ships an update monthly, and Cube Algorithms X every 3 months. Most recently, Stack Guru was updated on June 4, 2026 and Cube Algorithms X on September 23, 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.*