# CatDays vs Berrily

The clearest difference is rating: Berrily at 5.0 against CatDays's 4.0. Berrily also leads on update cadence (every 9 days vs every 3 weeks). CatDays's advantage is ratings volume (8 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. CatDays sells 8 one-off in-app purchases and Berrily sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Berrily holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 8 and 2 respectively.

CatDays ships an update every 3 weeks, Berrily every 9 days. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | CatDays | Berrily |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (8 ratings)](https://appshunter.io/ios/app/catdays-cat-countdown/id6773580078/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/berrily-birthday-reminder/id6808438331/reviews)** |
| Number of ratings | **8** | 2 |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 38 MB | 20 MB |
| Requires iOS | 17.5 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Lychee Intelligence Co., Ltd.](https://appshunter.io/developer/1778934446) | [Naomi Iwai](https://appshunter.io/developer/6808438333) |

## What reviewers say

### 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 (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 |


### Berrily

[App page](https://appshunter.io/ios/app/berrily-birthday-reminder/id6808438331)

This app helps you anticipate and celebrate upcoming birthdays with a charming virtual companion. It offers countdowns, gift and cake planning, and customizable reminders, all without ads or accounts. Enjoy a delightful waiting period for special occasions.

**Highlights:** Birthday countdowns, Virtual companion for anticipation, Gift and cake planning notes, Customizable reminders, Home and Lock Screen widgets, Contact birthday import, iCloud sync

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited birthdays | $4.99 | one-time |


## Frequently asked questions

### Is CatDays free?

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

### Is Berrily free?

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

### Which has better reviews, CatDays or Berrily?

Berrily is rated higher. CatDays averages 4.0 out of 5 from 8 ratings, while Berrily averages 5.0 from 2 ratings.

### Do CatDays or Berrily have ads?

Neither CatDays nor Berrily shows ads.

### Which is updated more often, CatDays or Berrily?

CatDays ships an update every 3 weeks, and Berrily every 9 days. Most recently, CatDays was updated on November 5, 2026 and Berrily on November 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.*