# CatDays vs Luck Paw

The clearest difference is in-app purchases: Luck Paw at none against CatDays's 8. Luck Paw also leads on update cadence (weekly vs every 3 weeks) and device support (3 vs 1). CatDays's advantage is ads (none vs shown). On price there is nothing between them.

Both are free to download. CatDays sells 8 one-off in-app purchases. Luck Paw asks for nothing beyond the download.

CatDays ships an update every 3 weeks, Luck Paw weekly. Both last shipped on November 13, 2026.

## The numbers

| Metric | CatDays | Luck Paw |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (9 ratings)](https://appshunter.io/ios/app/catdays-cat-countdown/id6773580078/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 40 MB | 139 MB |
| Requires iOS | 17.5 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Lychee Intelligence Co., Ltd.](https://appshunter.io/developer/1778934446) | [Luck Paw Technology Limited](https://appshunter.io/developer/6789464877) |

## What reviewers say

### CatDays

[App page](https://appshunter.io/ios/app/catdays-cat-countdown/id6773580078)

This app helps you track important dates with a charming feline companion. Count down to future events or count up days since a past milestone, all while your chosen cat offers gentle reminders and poses. Home screen widgets keep your countdowns visible at a glance.

**Highlights:** Countdown and count-up functionality, Customizable cat characters, Home Screen and Lock Screen widgets, Automatic iCloud sync, Gentle reminders for important dates, Memory feature for past events

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Leo | $2.99 | one-time |
| Luna | $2.99 | one-time |
| Tofu | $2.99 | one-time |
| Ash | $2.99 | one-time |
| Milo | $2.99 | one-time |
| Pumpkin | $2.99 | one-time |
| Leo & Luna Pack | $3.99 | one-time |
| Original Cats Pack | $4.99 | one-time |


### Luck Paw

[App page](https://appshunter.io/ios/app/luck-paw/id6789464875)

**Features:** macOS Compatibility, Apple Wallet, Vision Pro support, iPhone Duo support

**In-app purchases:** none


## Frequently asked questions

### Is CatDays free?

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

### Is Luck Paw free?

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

### Do CatDays or Luck Paw have ads?

Luck Paw shows ads; CatDays does not.

### Which is updated more often, CatDays or Luck Paw?

CatDays ships an update every 3 weeks, and Luck Paw weekly. Most recently, CatDays was updated on November 13, 2026 and Luck Paw on November 13, 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.*