# MnemoStack vs MemDatStack

The clearest difference is in-app purchases: MemDatStack at none against MnemoStack's 3. MemDatStack also leads on iOS requirement (18.6 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. MnemoStack sells 3 in-app purchases, starting at $3.99 per month. MemDatStack asks for nothing beyond the download.

MnemoStack ships an update every 2 weeks, MemDatStack every 9 days. The most recent releases landed on September 24, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | MnemoStack | MemDatStack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/memdatstack/id6766251270/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 9 days** |
| Monetization | — | Free |
| Size | 84 MB | 6 MB |
| Requires iOS | 26.0 | **18.6** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Vincent Launay](https://appshunter.io/developer/1198218316) | [Circe Apps LLC](https://appshunter.io/developer/1896252845) |

## What reviewers say

### MnemoStack

[App page](https://appshunter.io/ios/app/mnemostack/id6755091634)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Xtremagic Pass | $3.99 | per month |
| Xtremagic Pass | $22.99 | per year |
| Full Access (One-Time Purchase) | $7.99 | one-time |


### MemDatStack

[App page](https://appshunter.io/ios/app/memdatstack/id6766251270)

This tool assists magicians in memorizing card stacks with customizable quizzes. It supports various popular stacks and question types, offering detailed feedback on incorrect answers to improve learning.

**Highlights:** Supports multiple popular card stacks, Variety of quiz settings, Customizable quiz questions, Tracks recent quiz results, Reviews incorrect answers, Audio feedback option

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MnemoStack free?

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

### Is MemDatStack free?

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

### Do MnemoStack or MemDatStack have ads?

Neither MnemoStack nor MemDatStack shows ads.

### Which is updated more often, MnemoStack or MemDatStack?

MnemoStack ships an update every 2 weeks, and MemDatStack every 9 days. Most recently, MnemoStack was updated on September 24, 2026 and MemDatStack on October 5, 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.*