# HydroAI vs Hydro  Reminder

The clearest difference is in-app purchases: Hydro  Reminder at none against HydroAI's 3. Hydro  Reminder also leads on update cadence (daily vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. HydroAI sells 3 in-app purchases, starting at $9.99 per month. Hydro  Reminder asks for nothing beyond the download.

HydroAI ships an update every 3 weeks, Hydro  Reminder daily. The most recent releases landed on October 20, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | HydroAI | Hydro  Reminder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hydroai-hydration-tracker/id6676999718/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Daily** |
| Monetization | Freemium | — |
| Size | 58 MB | 28 MB |
| Requires iOS | 13.4 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Syncd Software LLC](https://appshunter.io/developer/1767900025) | [Renato Ferreira silva junior](https://appshunter.io/developer/1851021728) |

## What reviewers say

### HydroAI

[App page](https://appshunter.io/ios/app/hydroai-hydration-tracker/id6676999718)

Effortlessly track your daily water intake and receive personalized reminders to stay hydrated. Simply answer a few questions about your goals, snap a photo of your drink, and view insightful progress reports. Achieve a healthier, more vibrant you with simple hydration management.

**Highlights:** AI-powered hydration analysis, Drink photo recognition, Personalized hydration goals, Progress tracking and insights, Customizable reminders, Effortless daily tracking

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $9.99 | per month |
| Pro Yearly | $46.90 | per year |
| Pro Yearly | $59.99 | per year |


### Hydro  Reminder

[App page](https://appshunter.io/ios/app/hydro-reminder/id6754942805)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HydroAI free?

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

### Is Hydro  Reminder free?

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

### Do HydroAI or Hydro  Reminder have ads?

Neither HydroAI nor Hydro  Reminder shows ads.

### Which is updated more often, HydroAI or Hydro  Reminder?

HydroAI ships an update every 3 weeks, and Hydro  Reminder daily. Most recently, HydroAI was updated on October 20, 2026 and Hydro  Reminder on October 18, 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.*