# The QUAD Studios vs HydrateTap

The clearest difference is in-app purchases: The QUAD Studios at none against HydrateTap's 3. The QUAD Studios also leads on update cadence (every 2 months vs every 6 months) and iOS requirement (14.0 vs 18.0). HydrateTap's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. HydrateTap sells 3 in-app purchases, starting at $0.99 per 7 days. The QUAD Studios asks for nothing beyond the download.

The QUAD Studios ships an update every 2 months, HydrateTap every 6 months. The most recent releases landed on October 8, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | The QUAD Studios | HydrateTap |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 6 months |
| Size | 123 MB | 65 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 12+ |
| Developer | [Monarch Concepts, LLC](https://appshunter.io/developer/1808857716) | [Eldin Mujovic](https://appshunter.io/developer/1608171214) |

## What reviewers say

### The QUAD Studios

[App page](https://appshunter.io/ios/app/the-quad-studios/id6744676431)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### HydrateTap

[App page](https://appshunter.io/ios/app/hydratetap-water-tracker/id6749263836)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HydrateTap Plus | $0.99 | per 7 days |
| Theme Pack | $1.99 | one-time |
| HydrateTap Pro | $4.99 | one-time |


## Frequently asked questions

### Is The QUAD Studios free?

The QUAD Studios is free to download, with no in-app purchases.

### Is HydrateTap free?

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

### Do The QUAD Studios or HydrateTap have ads?

The QUAD Studios shows ads; HydrateTap does not.

### Which is updated more often, The QUAD Studios or HydrateTap?

The QUAD Studios ships an update every 2 months, and HydrateTap every 6 months. Most recently, The QUAD Studios was updated on October 8, 2026 and HydrateTap on October 17, 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.*