# PYRY vs Water AI

The clearest difference is update cadence: Water AI at every 4 weeks against PYRY's every 8 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PYRY sells 1 one-off in-app purchase and Water AI sells 2 in-app purchases, starting at $2.49 per month. Whichever you choose, the download price is not the number that matters.

PYRY ships an update every 8 months, Water AI every 4 weeks. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | PYRY | Water AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (17 ratings)](https://appshunter.io/ios/app/water-ai-smart-hydration/id6757321179/reviews)** |
| Number of ratings | — | **17** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 4 weeks** |
| Monetization | — | Subscription |
| Size | 19 MB | 75 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Pyry Salmela](https://appshunter.io/developer/1766340584) | [BRANDON HORNBECK](https://appshunter.io/developer/1864760036) |

## What reviewers say

### PYRY

[App page](https://appshunter.io/ios/app/pyry/id6670448987)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Elevate Performance Package | $159.00 | one-time |


### Water AI

[App page](https://appshunter.io/ios/app/water-ai-smart-hydration/id6757321179)

Effortlessly track your daily fluid intake by simply taking a photo of your drink. This app analyzes beverage types and amounts to estimate hydration, offering personalized goals and smart reminders to help you build healthy habits.

**Highlights:** Instant photo logging of drinks, Tracks all beverage types, Personalized daily hydration goals, Streak and achievement tracking, Weekly summaries and insights, Smart hydration reminders

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Access | $2.49 | per month |
| Yearly Access | $19.99 | per year |


## Frequently asked questions

### Is PYRY free?

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

### Is Water AI free?

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

### Do PYRY or Water AI have ads?

Neither PYRY nor Water AI shows ads.

### Which is updated more often, PYRY or Water AI?

PYRY ships an update every 8 months, and Water AI every 4 weeks. Most recently, PYRY was updated on October 27, 2026 and Water AI on October 24, 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.*