# Hydria vs CaloriPanda

The clearest difference is update cadence: CaloriPanda at every 2 days against Hydria's weekly. Hydria's advantage is device support (5 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Hydria sells 4 in-app purchases, starting at $4.99 per 7 days and CaloriPanda sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

Hydria ships an update weekly, CaloriPanda every 2 days. The most recent releases landed on October 12, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Hydria | CaloriPanda |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 2 days** |
| Size | 15 MB | 76 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | **iPhone, iPad, Mac, Apple Watch, Vision Pro** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [HUGO ANATOLE PAUL MORICEAU](https://appshunter.io/developer/1845368412) | [Eyup Sabri Sirin](https://appshunter.io/developer/6798457172) |

## What reviewers say

### Hydria

[App page](https://appshunter.io/ios/app/hydria-water-tracker/id6784491822)

**Features:** Apple Watch app

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Monthly | $9.99 | per month |
| Yearly | $29.99 | per year |
| Hydria Lifetime | $49.99 | one-time |


### CaloriPanda

[App page](https://appshunter.io/ios/app/caloripanda/id6798457170)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Membership | $5.99 | per month |
| Yearly Membership | $39.99 | per year |


## Frequently asked questions

### Is Hydria free?

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

### Is CaloriPanda free?

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

### Do Hydria or CaloriPanda have ads?

Neither Hydria nor CaloriPanda shows ads.

### Which is updated more often, Hydria or CaloriPanda?

Hydria ships an update weekly, and CaloriPanda every 2 days. Most recently, Hydria was updated on October 12, 2026 and CaloriPanda on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*