# Protein Meter vs 워터리움

The clearest difference is in-app purchases: 워터리움 at none against Protein Meter's 2. Protein Meter's advantage is update cadence (daily vs every 9 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Protein Meter sells 2 in-app purchases, starting at $2.99 per month. 워터리움 asks for nothing beyond the download.

Protein Meter ships an update daily, 워터리움 every 9 days. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Protein Meter | 워터리움 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Daily** | Every 9 days |
| Monetization | — | Free |
| Size | 43 MB | 74 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [A2Z Studio](https://appshunter.io/developer/1718258411) | [HYEKYUNG MOON](https://appshunter.io/developer/1888183128) |

## What reviewers say

### Protein Meter

[App page](https://appshunter.io/ios/app/protein-meter/id6767846996)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro 월간 | $2.99 | per month |
| Pro 연간 | $19.99 | per year |


### 워터리움

[App page](https://appshunter.io/ios/app/id6789337096)

This app combines water drinking habit tracking with a virtual aquarium. Log your water intake to fill your aquarium, hatch eggs with pearls, and collect unique fish to create a personalized underwater world. Stay hydrated with cute reminders and enjoy mini-games while building a healthy habit.

**Highlights:** Log water intake to fill aquarium, Hatch eggs with pearls to collect fish, Decorate and feed fish, Aquarium grows with consistent use, Monthly habit calendar and streak tracking, Water drinking reminders, Mini-games and hidden events

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

**In-app purchases:** none


## Frequently asked questions

### Is Protein Meter free?

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

### Is 워터리움 free?

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

### Do Protein Meter or 워터리움 have ads?

Neither Protein Meter nor 워터리움 shows ads.

### Which is updated more often, Protein Meter or 워터리움?

Protein Meter ships an update daily, and 워터리움 every 9 days. Most recently, Protein Meter was updated on October 25, 2026 and 워터리움 on October 28, 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.*