# HeartTo vs Catlog

The clearest difference is in-app purchases: HeartTo at none against Catlog's 3. HeartTo also leads on ads (none vs shown) and update cadence (every 3 days vs weekly). Catlog's advantage is iOS requirement (13.0 vs 18.2). On price and device support there is nothing between them.

Both are free to download. Catlog sells 3 one-off in-app purchases. HeartTo asks for nothing beyond the download.

HeartTo ships an update every 3 days, Catlog weekly. The most recent releases landed on October 30, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | HeartTo | 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 | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Weekly |
| Monetization | — | Free with in-app purchases |
| Size | 11 MB | 95 MB |
| Requires iOS | 18.2 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Heung Ju Ha](https://appshunter.io/developer/1738866383) | [EunWon Lee](https://appshunter.io/developer/1839324013) |

## What reviewers say

### HeartTo

[App page](https://appshunter.io/ios/app/heartto/id6744442403)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 HeartTo free?

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

### Is Catlog free?

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

### Do HeartTo or Catlog have ads?

Catlog shows ads; HeartTo does not.

### Which is updated more often, HeartTo or Catlog?

HeartTo ships an update every 3 days, and Catlog weekly. Most recently, HeartTo was updated on October 30, 2026 and Catlog on November 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.*