# Hydration Hero vs LetGo

The clearest difference is update cadence: LetGo at every 10 days against Hydration Hero's monthly. LetGo also leads on iOS requirement (15.6 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Hydration Hero sells 5 in-app purchases, starting at $0.49 per 7 days and LetGo sells 5 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Hydration Hero ships an update monthly, LetGo every 10 days. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Hydration Hero | LetGo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (14 ratings)](https://appshunter.io/ios/app/hydration-herowater-reminder/id6572288673/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 94.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 10 days** |
| Monetization | Free with in-app purchases | — |
| Size | 131 MB | 68 MB |
| Requires iOS | 18.6 | **15.6** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Digital Sauce Pty Ltd](https://appshunter.io/developer/1759095998) | [KRZYSZTOF PASZKOWSKI](https://appshunter.io/developer/1870388542) |

## What reviewers say

### Hydration Hero

[App page](https://appshunter.io/ios/app/hydration-herowater-reminder/id6572288673)

This app transforms hydration into an engaging quest with a customizable avatar and smart tracking. It offers personalized goals, intelligent reminders, and community challenges to help you build healthy habits and celebrate progress.

**Highlights:** Customizable avatar that reacts to drinks, Smart tracking of various beverage hydration impact, Personalized water intake goals, Intelligent, customizable reminders, Streaks, badges, and challenges for motivation, Community and friend challenges

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $0.49 | per 7 days |
| Monthly Subscription | $1.99 | per month |
| Yearly Subscription | $14.99 | per year |
| Yearly Subscription | $19.99 | per year |
| Lifetime Subscription | $29.99 | one-time |


### LetGo

[App page](https://appshunter.io/ios/app/letgo-adaptive-habit-tracker/id6758024229)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LetGo: Unlimited Monthly + 7d-Trial | $1.99 | per month |
| LetGo: Unlimited Monthly | $1.99 | per month |
| LetGo: Unlimited Annual + 7d-Trial | $19.99 | per year |
| LetGo: Unlimited Annual | $19.99 | per year |
| LetGo: Unlimited Lifetime | $24.99 | one-time |


## Frequently asked questions

### Is Hydration Hero free?

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

### Is LetGo free?

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

### Do Hydration Hero or LetGo have ads?

Neither Hydration Hero nor LetGo shows ads.

### Which is updated more often, Hydration Hero or LetGo?

Hydration Hero ships an update monthly, and LetGo every 10 days. Most recently, Hydration Hero was updated on October 30, 2026 and LetGo on October 25, 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.*