# Stack Guru vs Stack Memory

The clearest difference is update cadence: Stack Memory at every 2 days against Stack Guru's monthly. Stack Guru's advantage is review sentiment (100% vs 73%) and rating (4.8 vs 4.5). On price, ratings volume, 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.

Stack Guru holds the better App Store score, 4.8 against 4.5. Both are backed by a comparable volume of ratings — 5 and 8 respectively. Written reviews point the same way: 100% of Stack Guru's written reviews are positive against 73% of Stack Memory's.

Stack Guru ships an update monthly, Stack Memory every 2 days. The most recent releases landed on June 4, 2026 and July 9, 2026 respectively.

## The numbers

| Metric | Stack Guru | Stack Memory |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5 ratings)](https://appshunter.io/ios/app/stack-guru/id1492951343/reviews)** | [4.5 (8 ratings)](https://appshunter.io/ios/app/stack-memory/id6502915915/reviews) |
| Number of ratings | 5 | **8** |
| Positive reviews | **100.0% of reviews** | 72.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 days** |
| Monetization | Free | Free |
| Size | 4 MB | 10 MB |
| Requires iOS | **13.0** | 17.2 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Jonas Eriksson](https://appshunter.io/developer/305659705) | [CHRIS HODGE](https://appshunter.io/developer/903916651) |

## 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


### Stack Memory

[App page](https://appshunter.io/ios/app/stack-memory/id6502915915)

This educational tool aids magicians in mastering mnemonic and Aronson stacking techniques. It provides a focused environment for practicing and reinforcing complex card memorization methods.

**Highlights:** Mnemonic stacking practice, Aronson stacking practice, Card memorization aid, Magician study tool, Focused learning environment

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Stack Guru free?

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

### Is Stack Memory free?

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

### Which has better reviews, Stack Guru or Stack Memory?

Stack Guru is rated higher. Stack Guru averages 4.8 out of 5 from 5 ratings, while Stack Memory averages 4.5 from 8 ratings.

### Do Stack Guru or Stack Memory have ads?

Neither Stack Guru nor Stack Memory shows ads.

### Which is updated more often, Stack Guru or Stack Memory?

Stack Guru ships an update monthly, and Stack Memory every 2 days. Most recently, Stack Guru was updated on June 4, 2026 and Stack Memory on July 9, 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.*