# Memorization Techniques vs Digital Notebook

The clearest difference is ads: Memorization Techniques at none against Digital Notebook's shown. Memorization Techniques also leads on update cadence (every 10 days vs every 6 weeks) and iOS requirement (14.0 vs 16.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Memorization Techniques sells 1 one-off in-app purchase and Digital Notebook sells 11 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Memorization Techniques ships an update every 10 days, Digital Notebook every 6 weeks. The most recent releases landed on September 18, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Memorization Techniques | Digital Notebook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (248 ratings)](https://appshunter.io/ios/app/digital-notebook-note-taking/id6449457503/reviews)** |
| Number of ratings | — | **248** |
| Positive reviews | — | 10.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 10 days** | Every 6 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 196 MB | 132 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | +4 | 4+ |
| Developer | [Man Hung Sun](https://appshunter.io/developer/1471605573) | [Appsprings, TOO](https://appshunter.io/developer/1689193977) |

## What reviewers say

### Memorization Techniques

[App page](https://appshunter.io/ios/app/memorization-techniques/id1618263817)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade | $0.99 | one-time |


### Digital Notebook

[App page](https://appshunter.io/ios/app/digital-notebook-note-taking/id6449457503)

This app offers a versatile platform for note-taking, drawing, and document annotation. It includes an AI assistant for brainstorming and research, along with tools for creating class notes, diaries, and sketches. Users can also import and organize their documents for easy access.

**Highlights:** AI-assistant for brainstorming and research, Freeform note-taking with pen and pencil tools, Drawing and sketching capabilities with stickers, Document import, annotation, and organization, Diary and abstract creation

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 week subscription | $1.99 | per 7 days |
| Note taking & PDF markup tools | $2.99 | per month |
| Note taking & PDF markup tools | $4.99 | per month |
| 1 Week Subscription | $6.99 | per 7 days |
| 3 months subscription | $7.99 | per 3 months |
| 1 Year Subscription | $14.99 | per year |
| 1 Month Subscription | $19.99 | per month |
| 12 Months Premium | $19.99 | per year |
| 3 Months | $41.49 | per 3 months |
| 3 Months Subscription | $41.49 | per 3 months |
| 12 Months Subscription | $66.99 | per year |


## Frequently asked questions

### Is Memorization Techniques free?

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

### Is Digital Notebook free?

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

### Do Memorization Techniques or Digital Notebook have ads?

Digital Notebook shows ads; Memorization Techniques does not.

### Which is updated more often, Memorization Techniques or Digital Notebook?

Memorization Techniques ships an update every 10 days, and Digital Notebook every 6 weeks. Most recently, Memorization Techniques was updated on September 18, 2026 and Digital Notebook on October 2, 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.*