# Emit Diary vs Catlog

The clearest difference is ads: Emit Diary at none against Catlog's shown. Catlog's advantage is update cadence (weekly vs every 6 months) and iOS requirement (13.0 vs 15.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Emit Diary sells 2 in-app purchases, starting at $1.99 per month and Catlog sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Emit Diary ships an update every 6 months, Catlog weekly. The most recent releases landed on September 17, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Emit Diary | Catlog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/catlog-cat-diary/id6752438401/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 21 MB | 95 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [晨姣 李](https://appshunter.io/developer/1516779751) | [EunWon Lee](https://appshunter.io/developer/1839324013) |

## What reviewers say

### Emit Diary

[App page](https://appshunter.io/ios/app/emit-diary-shared-and-security/id6444681191)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium Membership | $1.99 | per month |
| Annual Premium Membership | $17.99 | per year |


### Catlog

[App page](https://appshunter.io/ios/app/catlog-cat-diary/id6752438401)

Record daily emotions and activities with stickers and photos. Share your life with loved ones in groups and decorate a personalized virtual space. Discover a feline friend based on a personality test.

**Highlights:** Emotion & activity calendar, Photo and text journaling, Group sharing with loved ones, Virtual yard decoration, Personalized cat companion, Camping site theme

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 200 cookies | $0.99 | one-time |
| 650 cookies | $1.99 | one-time |
| 420 cookies | $1.99 | one-time |


## Frequently asked questions

### Is Emit Diary free?

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

### Is Catlog free?

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

### Do Emit Diary or Catlog have ads?

Catlog shows ads; Emit Diary does not.

### Which is updated more often, Emit Diary or Catlog?

Emit Diary ships an update every 6 months, and Catlog weekly. Most recently, Emit Diary was updated on September 17, 2026 and Catlog on September 9, 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.*