# Hydralert vs GlucoNote

The clearest difference is update cadence: Hydralert at every 2 days against GlucoNote's every 10 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Hydralert sells 3 in-app purchases, starting at $2.99 per month and GlucoNote sells 3 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

Hydralert ships an update every 2 days, GlucoNote every 10 days. The most recent releases landed on October 8, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Hydralert | GlucoNote |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hydralert/id6468425578/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 10 days |
| Monetization | Freemium | — |
| Size | 69 MB | 4 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Colby Mehmen](https://appshunter.io/developer/1615430352) | [InnovaLabWorks](https://appshunter.io/developer/1888514726) |

## What reviewers say

### Hydralert

[App page](https://appshunter.io/ios/app/hydralert/id6468425578)

Easily track your fluid intake, including water, caffeine, and alcohol, to maintain optimal hydration. Set personalized goals and gain insights into your hydration patterns with user-friendly analytics. Achieve your daily hydration targets with this intuitive health companion.

**Highlights:** Hydration tracking, Caffeine and alcohol monitoring, Customizable hydration goals, Insightful hydration analytics, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Annually | $9.99 | per year |
| Lifetime Access | $14.99 | one-time |


### GlucoNote

[App page](https://appshunter.io/ios/app/gluconote-glucose-diary/id6788130879)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GlucoNote Pro | $5.99 | per month |
| GlucoNote Pro | $34.99 | per year |
| GlucoNote Lifetime | $79.99 | one-time |


## Frequently asked questions

### Is Hydralert free?

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

### Is GlucoNote free?

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

### Do Hydralert or GlucoNote have ads?

Neither Hydralert nor GlucoNote shows ads.

### Which is updated more often, Hydralert or GlucoNote?

Hydralert ships an update every 2 days, and GlucoNote every 10 days. Most recently, Hydralert was updated on October 8, 2026 and GlucoNote on October 5, 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.*