# Caffeine Flow vs 워터리움

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

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

Caffeine Flow ships an update fortnightly, 워터리움 every 9 days. The most recent releases landed on October 25, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Caffeine Flow | 워터리움 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 9 days** |
| Monetization | — | Free |
| Size | 86 MB | 74 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Chinipy](https://appshunter.io/developer/1829955713) | [HYEKYUNG MOON](https://appshunter.io/developer/1888183128) |

## What reviewers say

### Caffeine Flow

[App page](https://appshunter.io/ios/app/caffeine-flow-sleep-tracker/id6759970536)

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

**In-app purchases:** none


### 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 Caffeine Flow free?

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

### Is 워터리움 free?

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

### Do Caffeine Flow or 워터리움 have ads?

Caffeine Flow shows ads; 워터리움 does not.

### Which is updated more often, Caffeine Flow or 워터리움?

Caffeine Flow ships an update fortnightly, and 워터리움 every 9 days. Most recently, Caffeine Flow was updated on October 25, 2026 and 워터리움 on November 5, 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.*