# 워터리움 vs 핏로그

The clearest difference is in-app purchases: 워터리움 at none against 핏로그's 6. 워터리움 also leads on device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. 핏로그 sells 6 in-app purchases, starting at $0.99 per month. 워터리움 asks for nothing beyond the download.

워터리움 ships an update every 9 days, 핏로그 every 5 days. The most recent releases landed on October 28, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | 워터리움 | 핏로그 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 5 days** |
| Monetization | Free | — |
| Size | 74 MB | 115 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [HYEKYUNG MOON](https://appshunter.io/developer/1888183128) | [SANGKYUNG WOO](https://appshunter.io/developer/6796556664) |

## What reviewers say

### 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


### 핏로그

[App page](https://appshunter.io/ios/app/ai-ai/id6796556662)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FitLog Premium 월간 | $0.99 | per month |
| FitLog Premium 연간 | $12.99 | per year |
| 분석권 10개 | $0.49 | one-time |
| 리포트권 1개 | $0.49 | one-time |
| 분석권 30개 | $0.99 | one-time |
| 리포트권 5개 | $2.99 | one-time |


## Frequently asked questions

### Is 워터리움 free?

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

### Is 핏로그 free?

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

### Do 워터리움 or 핏로그 have ads?

Neither 워터리움 nor 핏로그 shows ads.

### Which is updated more often, 워터리움 or 핏로그?

워터리움 ships an update every 9 days, and 핏로그 every 5 days. Most recently, 워터리움 was updated on October 28, 2026 and 핏로그 on October 29, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*