# PR Diary vs CatDays

The clearest difference is in-app purchases: PR Diary at none against CatDays's 5. PR Diary also leads on update cadence (every 4 days vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. CatDays sells 5 one-off in-app purchases. PR Diary asks for nothing beyond the download.

PR Diary ships an update every 4 days, CatDays fortnightly. The most recent releases landed on October 9, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | PR Diary | CatDays |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (5 ratings)](https://appshunter.io/ios/app/catdays-cat-countdown/id6773580078/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 83.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Fortnightly |
| Monetization | — | Free with in-app purchases |
| Size | 8 MB | 34 MB |
| Requires iOS | 18.5 | **17.5** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Yung Wen Cheng](https://appshunter.io/developer/1851202446) | [Lychee Intelligence Co., Ltd.](https://appshunter.io/developer/1778934446) |

## What reviewers say

### PR Diary

[App page](https://appshunter.io/ios/app/pr-diary/id6761694656)

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

**In-app purchases:** none


### CatDays

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

Track important dates with a customizable cat companion. Choose from various feline friends to count down to future events or count up days since past milestones. Receive gentle reminders and view your progress with home screen widgets.

**Highlights:** Countdown and count-up modes, Selectable cat companions, Customizable reminders, Home screen widgets, iCloud synchronization, Ad-free experience

**In-app purchases (5)**

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


## Frequently asked questions

### Is PR Diary free?

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

### Is CatDays free?

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

### Do PR Diary or CatDays have ads?

Neither PR Diary nor CatDays shows ads.

### Which is updated more often, PR Diary or CatDays?

PR Diary ships an update every 4 days, and CatDays fortnightly. Most recently, PR Diary was updated on October 9, 2026 and CatDays on October 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.*