# WaterFlow vs Rivulet

The clearest difference is in-app purchases: Rivulet at none against WaterFlow's 3. Rivulet also leads on ads (none vs shown) and update cadence (weekly vs every 2 weeks). On price and device support there is nothing between them.

Both are free to download. WaterFlow sells 3 in-app purchases, starting at $2.99 per month. Rivulet asks for nothing beyond the download.

WaterFlow ships an update every 2 weeks, Rivulet weekly. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | WaterFlow | Rivulet |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/waterflow-hydration-log/id6747625932/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Free | — |
| Size | 16 MB | 40 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hakan FIRAT](https://appshunter.io/developer/1822075353) | [Butter Lemonade Pty Ltd](https://appshunter.io/developer/1873902932) |

## What reviewers say

### WaterFlow

[App page](https://appshunter.io/ios/app/waterflow-hydration-log/id6747625932)

This app helps you maintain consistent hydration with smart reminders, quick logging, and insightful tracking. It offers features like custom schedules, Apple Watch integration, and progress monitoring to encourage healthy habits.

**Highlights:** Smart, customizable reminders, Fast water logging with custom sizes, Track on Apple Watch, widgets, and Live Activity, Recover missed entries, Hydration insights and progress tracking, Apple Health sync

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $2.99 | per month |
| Premium Yearly | $14.99 | per year |
| Premium Lifetime | $29.99 | one-time |


### Rivulet

[App page](https://appshunter.io/ios/app/rivulet-water-tracker/id6759146168)

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

**In-app purchases:** none


## Frequently asked questions

### Is WaterFlow free?

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

### Is Rivulet free?

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

### Do WaterFlow or Rivulet have ads?

WaterFlow shows ads; Rivulet does not.

### Which is updated more often, WaterFlow or Rivulet?

WaterFlow ships an update every 2 weeks, and Rivulet weekly. Most recently, WaterFlow was updated on October 30, 2026 and Rivulet on October 24, 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.*