# Drink Water Reminder Pro vs Interval

The clearest difference is price: Interval at Free against Drink Water Reminder Pro's $24.99. Interval also leads on update cadence (every 4 days vs every 5 weeks). Drink Water Reminder Pro's advantage is in-app purchases (none vs 1) and iOS requirement (12.0 vs 26.0). On ads and device support there is nothing between them.

Interval is free to download; Drink Water Reminder Pro costs $24.99 up front. Interval sells 1 one-off in-app purchase. Drink Water Reminder Pro asks for nothing beyond the download.

Drink Water Reminder Pro ships an update every 5 weeks, Interval every 4 days. Both last shipped on October 19, 2026.

## The numbers

| Metric | Drink Water Reminder Pro | Interval |
| --- | --- | --- |
| Price | $24.99 | **Free** |
| Rating | **[4.1 (412 ratings)](https://appshunter.io/ios/app/drink-water-reminder-pro/id879992426/reviews)** | — |
| Number of ratings | **412** | — |
| Positive reviews | 60.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 4 days** |
| Monetization | Free | — |
| Size | 24 MB | 434 MB |
| Requires iOS | **12.0** | 26.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Phoenix Games LLP](https://appshunter.io/developer/1068338167) | [Felix Thron](https://appshunter.io/developer/1868228169) |

## What reviewers say

### Drink Water Reminder Pro

[App page](https://appshunter.io/ios/app/drink-water-reminder-pro/id879992426)

This app helps you track your daily water intake and reminds you to drink enough water throughout the day. It calculates your personalized daily goal and offers customizable alerts, even respecting your bedtime.

**Highlights:** Personalized daily water intake calculator, Customizable drink reminders, Automatic bedtime mode, Hydration level and consumption graphics, Consumption chart statistics, Health app integration

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

**In-app purchases:** none

**What reviewers like**

- 👍 Helpful reminders
- 🚀 Tracks water intake well
- ✨ Motivates to drink more water
- ⌚ Apple Watch integration

**What reviewers complain about**

- 🔒 Locked features behind review requirement
- 🐛 Buggy and glitchy
- 🤔 Confusing user interface
- 💰 Paid version still has issues

**Reported bugs**

- Water intake not tracking accurately
- Slider controls too sensitive
- Overlapping/unreadable text
- Inconsistent behavior across devices

**Requested features**

- Customizable water bottle sizes
- Ability to track other beverages
- More detailed history and analytics
- Improved Apple Watch functionality


### Interval

[App page](https://appshunter.io/ios/app/interval-workout-timer/id6761282472)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Interval Timer Pro | $3.99 | one-time |


## Frequently asked questions

### Is Drink Water Reminder Pro free?

Drink Water Reminder Pro costs $24.99, with no in-app purchases.

### Is Interval free?

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

### Do Drink Water Reminder Pro or Interval have ads?

Neither Drink Water Reminder Pro nor Interval shows ads.

### Which is updated more often, Drink Water Reminder Pro or Interval?

Drink Water Reminder Pro ships an update every 5 weeks, and Interval every 4 days. Most recently, Drink Water Reminder Pro was updated on October 19, 2026 and Interval on October 19, 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.*