# Perenne Note. Digital Notebook vs Serious Notebook

The clearest difference is update cadence: Perenne Note. Digital Notebook at weekly against Serious Notebook's every 2 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Perenne Note. Digital Notebook sells 4 in-app purchases, starting at $2.99 per month and Serious Notebook sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Perenne Note. Digital Notebook ships an update weekly, Serious Notebook every 2 weeks. The most recent releases landed on October 4, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Perenne Note. Digital Notebook | Serious Notebook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (5 ratings)](https://appshunter.io/ios/app/perenne-note-digital-notebook/id6758993077/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 48 MB | 6 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Nicholas Compagnoni](https://appshunter.io/developer/1876200579) | [BILGESU KADAN](https://appshunter.io/developer/1896346142) |

## What reviewers say

### Perenne Note. Digital Notebook

[App page](https://appshunter.io/ios/app/perenne-note-digital-notebook/id6758993077)

A minimalist digital notebook designed for iPad and iPhone, offering a realistic writing and sketching experience with Apple Pencil. Organize notes, sketches, and lists with customizable notebooks and real-time syncing.

**Highlights:** Realistic pen and pencil tools, Customizable notebooks and paper styles, iPhone companion app with iCloud sync, Quick notes with rich text and checklists, Reminders and calendar integration, Desk feature for floating elements, PDF and PNG export options

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Annual | $22.99 | per year |
| Single Notebook | $3.99 | one-time |
| Notebook Bundle | $8.99 | one-time |


### Serious Notebook

[App page](https://appshunter.io/ios/app/serious-notebook/id6769515671)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Unlock | $9.99 | one-time |


## Frequently asked questions

### Is Perenne Note. Digital Notebook free?

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

### Is Serious Notebook free?

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

### Do Perenne Note. Digital Notebook or Serious Notebook have ads?

Neither Perenne Note. Digital Notebook nor Serious Notebook shows ads.

### Which is updated more often, Perenne Note. Digital Notebook or Serious Notebook?

Perenne Note. Digital Notebook ships an update weekly, and Serious Notebook every 2 weeks. Most recently, Perenne Note. Digital Notebook was updated on October 4, 2026 and Serious Notebook on October 8, 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.*