# Calendaric vs Good PDF Notebook

The clearest difference is review sentiment: Calendaric at 50% against Good PDF Notebook's 0%. Calendaric also leads on in-app purchases (none vs 2) and device support (4 vs 2). Good PDF Notebook's advantage is rating (3.7 vs 1.0) and ratings volume (3 vs 1). On price, update cadence and ads there is nothing between them.

Both are free to download. Good PDF Notebook sells 2 in-app purchases, starting at $2.99 per month. Calendaric asks for nothing beyond the download.

Good PDF Notebook holds the better App Store score, 3.7 against 1.0. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews complicate that: 50% of Calendaric's written reviews are positive against 0% of Good PDF Notebook's, so the app with the better star average is not the one people write more warmly about.

Calendaric ships an update every 2 weeks, Good PDF Notebook every 8 days. The most recent releases landed on September 4, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Calendaric | Good PDF Notebook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/calendaric/id1643320252/reviews) | **[3.7 (3 ratings)](https://appshunter.io/ios/app/good-pdf-notebook-pencil-app/id6466286421/reviews)** |
| Number of ratings | 1 | **3** |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 8 days** |
| Monetization | Paid | **Freemium** |
| Size | 77 MB | 291 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Time Lord](https://appshunter.io/developer/1633903596) | [Kairoos Solutions SL](https://appshunter.io/developer/978066434) |

## What reviewers say

### Calendaric

[App page](https://appshunter.io/ios/app/calendaric/id1643320252)

This app helps you manage your tasks and avoid forgetting important events. It allows you to organize your to-do list by segments and features, ensuring you stay on top of your responsibilities. Available across multiple platforms, it acts as an extension of your memory.

**Highlights:** Task organization by segments, Customizable features per segment, Cross-platform availability, Web browser access, Task grouping and filtering, Prevents forgetting important events

**In-app purchases:** none


### Good PDF Notebook

[App page](https://appshunter.io/ios/app/good-pdf-notebook-pencil-app/id6466286421)

Create beautiful notes, sketch ideas, and annotate PDFs with advanced ink tools and AI assistance. Convert handwriting to text, scan documents, and organize files seamlessly across cloud services. Enjoy a realistic ink-on-paper feel with stylus support.

**Highlights:** Advanced ink tools for writing and sketching, AI Assistant for summarization and translation, Handwritten notes to editable text conversion, Document scanning with automatic frame recognition, Cloud service integration for file management, Full-text search for PDFs, PDF reader with highlighting and read aloud

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All and AI Assistant | $2.99 | per month |
| GoodPencil Upgrade | $3.99 | one-time |


## Frequently asked questions

### Is Calendaric free?

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

### Is Good PDF Notebook free?

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

### Which has better reviews, Calendaric or Good PDF Notebook?

Good PDF Notebook is rated higher. Calendaric averages 1.0 out of 5 from 1 ratings, while Good PDF Notebook averages 3.7 from 3 ratings.

### Do Calendaric or Good PDF Notebook have ads?

Neither Calendaric nor Good PDF Notebook shows ads.

### Which is updated more often, Calendaric or Good PDF Notebook?

Calendaric ships an update every 2 weeks, and Good PDF Notebook every 8 days. Most recently, Calendaric was updated on September 4, 2026 and Good PDF Notebook on September 25, 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.*