# OkaiMemo vs CatDays

The clearest difference is in-app purchases: OkaiMemo at none against CatDays's 8. On price, update cadence, ads and device support there is nothing between them.

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

OkaiMemo ships an update monthly, CatDays every 3 weeks. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | OkaiMemo | CatDays |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.9 (7 ratings)](https://appshunter.io/ios/app/catdays-cat-countdown/id6773580078/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 83.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 53 MB | 38 MB |
| Requires iOS | 18.0 | **17.5** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Bikash Thapaliya](https://appshunter.io/developer/1464455404) | [Lychee Intelligence Co., Ltd.](https://appshunter.io/developer/1778934446) |

## What reviewers say

### OkaiMemo

[App page](https://appshunter.io/ios/app/okaimemo/id6745028239)

**Features:** macOS Compatibility

**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 (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 |


## Frequently asked questions

### Is OkaiMemo free?

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

### Is CatDays free?

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

### Do OkaiMemo or CatDays have ads?

Neither OkaiMemo nor CatDays shows ads.

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

OkaiMemo ships an update monthly, and CatDays every 3 weeks. Most recently, OkaiMemo was updated on October 25, 2026 and CatDays on October 31, 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.*