# NoteifyApp vs MemDatStack

The clearest difference is in-app purchases: MemDatStack at none against NoteifyApp's 1. NoteifyApp's advantage is iOS requirement (16.0 vs 18.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. NoteifyApp sells 1 one-off in-app purchase. MemDatStack asks for nothing beyond the download.

NoteifyApp ships an update every 6 days, MemDatStack every 9 days. The most recent releases landed on September 11, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | NoteifyApp | 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 6 days** | Every 9 days |
| Monetization | — | Free |
| Size | 43 MB | 6 MB |
| Requires iOS | **16.0** | 18.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Pratik Shirsat](https://appshunter.io/developer/1768491718) | [Circe Apps LLC](https://appshunter.io/developer/1896252845) |

## What reviewers say

### NoteifyApp

[App page](https://appshunter.io/ios/app/noteifyapp/id6683305707)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Noteify | $309.00 | 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 NoteifyApp free?

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

### Is MemDatStack free?

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

### Do NoteifyApp or MemDatStack have ads?

Neither NoteifyApp nor MemDatStack shows ads.

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

NoteifyApp ships an update every 6 days, and MemDatStack every 9 days. Most recently, NoteifyApp was updated on September 11, 2026 and MemDatStack on September 21, 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.*