# Catlendar & Diary vs Simplanum Pro

The clearest difference is rating: Catlendar & Diary at 4.4 against Simplanum Pro's 2.5. Catlendar & Diary also leads on in-app purchases (none vs 9) and review sentiment (67% vs 56%). Simplanum Pro's advantage is ads (none vs shown). On price, update cadence, monetization model and device support there is nothing between them.

Catlendar & Diary costs $1.99 and Simplanum Pro $1.99 up front. Simplanum Pro sells 9 in-app purchases, starting at $0.99 per month. Catlendar & Diary asks for nothing beyond the download.

Catlendar & Diary holds the better App Store score, 4.4 against 2.5. That said, the two scores are not equally well evidenced: Catlendar & Diary has 11 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 67% of Catlendar & Diary's written reviews are positive against 56% of Simplanum Pro's.

Catlendar & Diary ships an update every 3 months, Simplanum Pro every 2 months. Both last shipped on November 6, 2026.

## The numbers

| Metric | Catlendar & Diary | Simplanum Pro |
| --- | --- | --- |
| Price | $1.99 | $1.99 |
| Rating | **[4.4 (11 ratings)](https://appshunter.io/ios/app/catlendar-and-diary/id527098118/reviews)** | [2.5 (2 ratings)](https://appshunter.io/ios/app/simplanum-pro-notes-organizer/id1186017640/reviews) |
| Number of ratings | **11** | 2 |
| Positive reviews | **66.7% of reviews** | 56.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Paid | Paid |
| Size | 58 MB | 141 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Webi & Neti Internet Services Inc.](https://appshunter.io/developer/307195731) | [Simplanum Team](https://appshunter.io/developer/1125808770) |

## What reviewers say

### Catlendar & Diary

[App page](https://appshunter.io/ios/app/catlendar-and-diary/id527098118)

This app combines a cute cat-themed calendar synchronized with iCalendar and a customizable diary. Decorate entries with stickers, photos, and letters, and share your memories. It offers password protection and quick note-taking for efficient organization.

**Highlights:** iCalendar synchronization, Customizable diary entries, Variety of stickers and DIY options, Photo integration for entries, Password protection, Quick note function, Facebook sharing

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

**In-app purchases:** none


### Simplanum Pro

[App page](https://appshunter.io/ios/app/simplanum-pro-notes-organizer/id1186017640)

Organize your life with a powerful note-taking and planning tool. Create detailed entries, manage tasks, and sync across all your devices. Share information and collaborate with others seamlessly.

**Highlights:** Create notes with text and checklists, Convert entries to events with date and time, Attach unlimited files of any type, Sync notes and events across devices, Organize notes by notebooks, Share records and notebooks with contacts

**Features:** macOS Compatibility, Siri integration, Apple Watch app, Vision Pro support

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lite Cloud - start to plan | $0.99 | per month |
| BASE Cloud - A good choise | $1.99 | per month |
| Plus Cloud - Work together | $5.99 | per month |
| Additional Notebooks | $0.99 | one-time |
| Additional private notebook | $0.99 | one-time |
| Admin member in shared entry | $0.99 | one-time |
| Shared Notebook | $0.99 | one-time |
| Editor in shared entry | $0.99 | one-time |
| Share you entry to any person | $0.99 | one-time |


## Frequently asked questions

### Is Catlendar & Diary free?

Catlendar & Diary costs $1.99, with no in-app purchases.

### Is Simplanum Pro free?

Simplanum Pro costs $1.99, and also offers in-app purchases.

### Which has better reviews, Catlendar & Diary or Simplanum Pro?

Catlendar & Diary is rated higher. Catlendar & Diary averages 4.4 out of 5 from 11 ratings, while Simplanum Pro averages 2.5 from 2 ratings.

### Do Catlendar & Diary or Simplanum Pro have ads?

Catlendar & Diary shows ads; Simplanum Pro does not.

### Which is updated more often, Catlendar & Diary or Simplanum Pro?

Catlendar & Diary ships an update every 3 months, and Simplanum Pro every 2 months. Most recently, Catlendar & Diary was updated on November 6, 2026 and Simplanum Pro on November 6, 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.*