# Caderno Digital SP vs Notepad by Subject

The clearest difference is review sentiment: Notepad by Subject at 80% against Caderno Digital SP's 0%. Caderno Digital SP's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Notepad by Subject sells 1 one-off in-app purchase. Caderno Digital SP asks for nothing beyond the download.

Caderno Digital SP ships an update weekly, Notepad by Subject every 2 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Caderno Digital SP | Notepad by Subject |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | **80.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | **Free** | Ad-supported |
| Size | 110 MB | 47 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Digital Pages Publicacoes Electronicas Ltda](https://appshunter.io/developer/391219423) | [Felipe Reitz](https://appshunter.io/developer/1651010446) |

## What reviewers say

### Caderno Digital SP

[App page](https://appshunter.io/ios/app/caderno-digital-sp/id1353606930)

Provides digital, interactive math content for public high school students and teachers. Aims to enhance teaching and learning engagement for better educational outcomes.

**Highlights:** Digital math content, Interactive multimedia resources, For public high school students, For public high school teachers, Enhances engagement, Improves learning outcomes

**In-app purchases:** none


### Notepad by Subject

[App page](https://appshunter.io/ios/app/notepad-by-subject/id6451050103)

Organize all your notes in a single digital notebook. Create multiple stories with unlimited pages to save text, images, and math expressions. Ideal for students to capture class notes and blackboard pictures.

**Highlights:** Digital notebook, Organize by stories, Insert text, Insert images, Insert math expressions

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is Caderno Digital SP free?

Caderno Digital SP is free to download, with no in-app purchases.

### Is Notepad by Subject free?

Notepad by Subject is free to download, with in-app purchases available.

### Do Caderno Digital SP or Notepad by Subject have ads?

Notepad by Subject shows ads; Caderno Digital SP does not.

### Which is updated more often, Caderno Digital SP or Notepad by Subject?

Caderno Digital SP ships an update weekly, and Notepad by Subject every 2 months. Most recently, Caderno Digital SP was updated on November 2, 2026 and Notepad by Subject on November 3, 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.*