# GroundNote vs 워터코리아

The clearest difference is iOS requirement: 워터코리아 at 12.0 against GroundNote's 14.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

GroundNote ships an update monthly, 워터코리아 fortnightly. The most recent releases landed on October 25, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | GroundNote | 워터코리아 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Size | 5 MB | 20 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [zeons.inc](https://appshunter.io/developer/1126707740) | [WITHSYSTEM](https://appshunter.io/developer/542595857) |

## What reviewers say

### GroundNote

[App page](https://appshunter.io/ios/app/groundnote/id1515237550)

**In-app purchases:** none


### 워터코리아

[App page](https://appshunter.io/ios/app/water-korea/id1529395371)

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

**In-app purchases:** none


## Frequently asked questions

### Is GroundNote free?

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

### Is 워터코리아 free?

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

### Do GroundNote or 워터코리아 have ads?

Neither GroundNote nor 워터코리아 shows ads.

### Which is updated more often, GroundNote or 워터코리아?

GroundNote ships an update monthly, and 워터코리아 fortnightly. Most recently, GroundNote was updated on October 25, 2026 and 워터코리아 on October 29, 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.*