# BigDrink Water Reminder vs Intervo

The clearest difference is price: BigDrink Water Reminder at Free against Intervo's $0.99. Intervo's advantage is in-app purchases (none vs 2) and update cadence (weekly vs every 3 months). On ads, device support and iOS requirement there is nothing between them.

BigDrink Water Reminder is free to download; Intervo costs $0.99 up front. BigDrink Water Reminder sells 2 in-app purchases, starting at $2.99 per year. Intervo asks for nothing beyond the download.

BigDrink Water Reminder ships an update every 3 months, Intervo weekly. The most recent releases landed on October 26, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | BigDrink Water Reminder | Intervo |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/bigdrink-water-reminder/id6740024893/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Freemium | — |
| Size | 18 MB | 5 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [源 陈](https://appshunter.io/developer/1217365131) | [Robert Corbin](https://appshunter.io/developer/1890247992) |

## What reviewers say

### BigDrink Water Reminder

[App page](https://appshunter.io/ios/app/bigdrink-water-reminder/id6740024893)

This app provides a simple, large-text interface for tracking daily water intake and setting gentle hydration reminders. It offers one-tap logging, home screen widgets, and Apple Watch integration for easy progress monitoring. Designed for minimal friction and clear visibility of hydration goals.

**Highlights:** Large, clear daily water display, One-tap water logging, Gentle hydration reminders, Home Screen widgets, Apple Watch app, Apple Health sync

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| bigdrink pro yearly | $2.99 | per year |
| BigDrink Pro Lifetime | $5.99 | one-time |


### Intervo

[App page](https://appshunter.io/ios/app/intervo-hiit-interval-timer/id6775499898)

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

**In-app purchases:** none


## Frequently asked questions

### Is BigDrink Water Reminder free?

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

### Is Intervo free?

Intervo costs $0.99, with no in-app purchases.

### Do BigDrink Water Reminder or Intervo have ads?

Neither BigDrink Water Reminder nor Intervo shows ads.

### Which is updated more often, BigDrink Water Reminder or Intervo?

BigDrink Water Reminder ships an update every 3 months, and Intervo weekly. Most recently, BigDrink Water Reminder was updated on October 26, 2026 and Intervo on October 4, 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.*