# Ditdah CW vs CogniCards

The clearest difference is update cadence: CogniCards at every 10 days against Ditdah CW's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Ditdah CW ships an update every 3 weeks, CogniCards every 10 days. The most recent releases landed on September 20, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Ditdah CW | CogniCards |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cognicards-study-flashcards/id6788159781/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | — | Free |
| Size | 1 MB | 12 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mustafa Sucu](https://appshunter.io/developer/1810521669) | [Jan Paczkowski](https://appshunter.io/developer/6783297011) |

## What reviewers say

### Ditdah CW

[App page](https://appshunter.io/ios/app/ditdah-cw-morse-code-trainer/id6784385907)

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

**In-app purchases:** none


### CogniCards

[App page](https://appshunter.io/ios/app/cognicards-study-flashcards/id6788159781)

This app uses spaced repetition and active recall to help you learn and remember information effectively. Organize your study material into decks, practice with quizzes, and track your progress with detailed statistics. It's designed for efficient learning across various subjects.

**Highlights:** Spaced repetition algorithm (FSRS), Active recall testing, Rich card formatting (Markdown, images, LaTeX), Deck and folder organization, Quiz and matching game practice modes, Import/export flashcard decks, Progress tracking and statistics

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ditdah CW free?

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

### Is CogniCards free?

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

### Do Ditdah CW or CogniCards have ads?

Neither Ditdah CW nor CogniCards shows ads.

### Which is updated more often, Ditdah CW or CogniCards?

Ditdah CW ships an update every 3 weeks, and CogniCards every 10 days. Most recently, Ditdah CW was updated on September 20, 2026 and CogniCards on September 17, 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.*