# Multi Diary vs AI Writing Cat

The clearest difference is ads: Multi Diary at none against AI Writing Cat's shown. Multi Diary also leads on update cadence (every 4 days vs fortnightly) and iOS requirement (11.0 vs 13.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Multi Diary sells 1 one-off in-app purchase and AI Writing Cat sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Multi Diary ships an update every 4 days, AI Writing Cat fortnightly. The most recent releases landed on October 7, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Multi Diary | AI Writing Cat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/multi-diary/id833431053/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 4 days** | Fortnightly |
| Monetization | Free | — |
| Size | 111 MB | 41 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Smallsoft Pty Ltd](https://appshunter.io/developer/833431056) | [Changsha Juanli Technology Co., Ltd](https://appshunter.io/developer/1784889155) |

## What reviewers say

### Multi Diary

[App page](https://appshunter.io/ios/app/multi-diary/id833431053)

This app simplifies note-taking and journaling with multiple entries per day organized by predefined categories. It offers powerful search functionality and allows users to export their data to Excel for easy management and review.

**Highlights:** Multiple diaries per day, 16 predefined categories, Powerful search functionality, Export data to Excel, Simplified user experience

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Unlimited Entries | $6.99 | one-time |


### AI Writing Cat

[App page](https://appshunter.io/ios/app/ai-writing-cat/id6759329722)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription - ad free | $1.99 | per month |


## Frequently asked questions

### Is Multi Diary free?

Multi Diary is free to download, with in-app purchases available.

### Is AI Writing Cat free?

AI Writing Cat is free to download, with in-app purchases available.

### Do Multi Diary or AI Writing Cat have ads?

AI Writing Cat shows ads; Multi Diary does not.

### Which is updated more often, Multi Diary or AI Writing Cat?

Multi Diary ships an update every 4 days, and AI Writing Cat fortnightly. Most recently, Multi Diary was updated on October 7, 2026 and AI Writing Cat on October 12, 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.*