# Water vs PureSync 节律

The clearest difference is price: Water at Free against PureSync 节律's $14.99. PureSync 节律's advantage is in-app purchases (none vs 5) and update cadence (weekly vs every 3 weeks). On ads, device support and iOS requirement there is nothing between them.

Water is free to download; PureSync 节律 costs $14.99 up front. Water sells 5 in-app purchases, starting at $0.99 per month. PureSync 节律 asks for nothing beyond the download.

Water ships an update every 3 weeks, PureSync 节律 weekly. The most recent releases landed on October 24, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Water | PureSync 节律 |
| --- | --- | --- |
| Price | **Free** | $14.99 |
| Rating | **[3.5 (23 ratings)](https://appshunter.io/ios/app/water-tracker-reminder/id1664121598/reviews)** | — |
| Number of ratings | **23** | — |
| Positive reviews | 39.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Subscription | — |
| Size | 14 MB | 62 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, Apple Watch | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Ilya Klimenko](https://appshunter.io/developer/1536539445) | [能 柯](https://appshunter.io/developer/6780945500) |

## What reviewers say

### Water

[App page](https://appshunter.io/ios/app/water-tracker-reminder/id1664121598)

This app helps you monitor your daily water intake and stay hydrated. It allows you to log drinks, set personalized goals, and receive timely reminders to ensure you meet your hydration targets. Visualize your progress with detailed graphs and track various beverage types.

**Highlights:** Record and track water intake, Set personalized hydration goals, Customizable drink reminders, Log various types of drinks, Detailed daily history, Visual progress graphs, Apple Health and Watch support

**Features:** macOS Compatibility, Family Sharing, Apple Watch app

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Water (Month) | $0.99 | per month |
| Water (Year/Offer) | $8.99 | per year |
| Water (Year) | $12.99 | per year |
| Billed once | $0.99 | one-time |
| Access to drink varieties | $1.99 | one-time |


### PureSync 节律

[App page](https://appshunter.io/ios/app/puresync/id6782561995)

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

**In-app purchases:** none


## Frequently asked questions

### Is Water free?

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

### Is PureSync 节律 free?

PureSync 节律 costs $14.99, with no in-app purchases.

### Do Water or PureSync 节律 have ads?

Neither Water nor PureSync 节律 shows ads.

### Which is updated more often, Water or PureSync 节律?

Water ships an update every 3 weeks, and PureSync 节律 weekly. Most recently, Water was updated on October 24, 2026 and PureSync 节律 on October 3, 2026.

---

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