# 코코달인 vs marimo Knock

The clearest difference is ads: marimo Knock at none against 코코달인's shown. marimo Knock also leads on update cadence (every 5 days vs monthly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

코코달인 ships an update monthly, marimo Knock every 5 days. The most recent releases landed on September 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 코코달인 | marimo Knock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id1609024227/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | Ad-supported | — |
| Size | 48 MB | 22 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [hyukjoo kwon](https://appshunter.io/developer/1609024229) | [SeongChan Joo](https://appshunter.io/developer/6795682041) |

## What reviewers say

### 코코달인

[App page](https://appshunter.io/ios/app/id1609024227)

Get real-time updates on Costco sales and promotions. Browse discounts by category, view past price history, and track popular items. Plan your shopping trips with store holiday information and a favorites list.

**Highlights:** Real-time discount updates, Category-based sale browsing, Event and limited-time special offers, Price history and past discounts, Real-time popular item tracking, Favorites/shopping list, Store holiday information

**Features:** macOS Compatibility

**In-app purchases:** none


### marimo Knock

[App page](https://appshunter.io/ios/app/marimo-knock/id6795682039)

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

**In-app purchases:** none


## Frequently asked questions

### Is 코코달인 free?

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

### Is marimo Knock free?

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

### Do 코코달인 or marimo Knock have ads?

코코달인 shows ads; marimo Knock does not.

### Which is updated more often, 코코달인 or marimo Knock?

코코달인 ships an update monthly, and marimo Knock every 5 days. Most recently, 코코달인 was updated on September 24, 2026 and marimo Knock on October 10, 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.*