# RecallNote vs Ditdah CW

The clearest difference is update cadence: RecallNote at every 3 days against Ditdah CW's every 3 weeks. Ditdah CW's advantage is iOS requirement (16.6 vs 18). 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.

RecallNote ships an update every 3 days, Ditdah CW every 3 weeks. The most recent releases landed on October 1, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | RecallNote | Ditdah CW |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/recallnote/id6779927785/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Monetization | Free | — |
| Size | 47 MB | 1 MB |
| Requires iOS | 18 | **16.6** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [JAESIK YOUN](https://appshunter.io/developer/1833834844) | [Mustafa Sucu](https://appshunter.io/developer/1810521669) |

## What reviewers say

### RecallNote

[App page](https://appshunter.io/ios/app/recallnote/id6779927785)

This app helps you record, review, and retain learned material for both quick exam preparation and long-term memory. It features a memory rate calculation, achievement score tracking, and an exam prep mode for efficient review sessions. Customize your study experience with subject management and theme options.

**Highlights:** Add and manage review items with notes and images, Subject registration and management, Memory rate and achievement score tracking, Automatic next review date calculation, Exam prep mode for quick review, Customizable background themes, PDF annotation and Apple Pencil support

**Features:** Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is RecallNote free?

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

### Is Ditdah CW free?

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

### Do RecallNote or Ditdah CW have ads?

Neither RecallNote nor Ditdah CW shows ads.

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

RecallNote ships an update every 3 days, and Ditdah CW every 3 weeks. Most recently, RecallNote was updated on October 1, 2026 and Ditdah CW on September 20, 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.*