# HydroLoop vs Shield

The clearest difference is in-app purchases: Shield at none against HydroLoop's 2. Shield also leads on update cadence (every 2 weeks vs monthly). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. HydroLoop sells 2 in-app purchases, starting at $1.99 per month. Shield asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for HydroLoop against 5.0 for Shield. Both are backed by a comparable volume of ratings — 2 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

HydroLoop ships an update monthly, Shield every 2 weeks. The most recent releases landed on October 6, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | HydroLoop | Shield |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/hydroloop-water-tracker/id6782740767/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/shield-screen-time-blocker/id6792581680/reviews) |
| Number of ratings | 2 | **4** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Freemium | **Free** |
| Size | 5 MB | 22 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone | iPhone |
| Age rating | 12+ | 12+ |
| Developer | [MALCOLM VINCENT GERARD](https://appshunter.io/developer/6782740769) | [Zak Riesen](https://appshunter.io/developer/6792581682) |

## What reviewers say

### HydroLoop

[App page](https://appshunter.io/ios/app/hydroloop-water-tracker/id6782740767)

This app gamifies hydration by letting you watch a 3D bottle fill with each sip. It offers personalized daily goals, tracks various beverages, and uses streaks to motivate users. Syncs with Apple Health and provides widgets for easy access.

**Highlights:** Living 3D bottle visualization, Personalized daily hydration goals, Streak tracking and rewards, Logging of various beverage types, Apple Health integration, Home/Lock Screen widgets

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HydroLoop+ Monthly | $1.99 | per month |
| HydroLoop+ Lifetime | $19.99 | one-time |


### Shield

[App page](https://appshunter.io/ios/app/shield-screen-time-blocker/id6792581680)

This app helps you regain control of your digital habits by blocking distracting applications until you complete real-world goals. Set daily objectives and earn access back to your chosen apps by achieving them.

**Highlights:** Goal-based app blocking, Set daily real-world objectives, Earn access to blocked apps, Temporary break option, Social accountability circle, Uses Screen Time technology

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

**In-app purchases:** none


## Frequently asked questions

### Is HydroLoop free?

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

### Is Shield free?

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

### Which has better reviews, HydroLoop or Shield?

HydroLoop and Shield are both rated 5.0 out of 5 on the App Store, from 2 and 4 ratings respectively.

### Do HydroLoop or Shield have ads?

Neither HydroLoop nor Shield shows ads.

### Which is updated more often, HydroLoop or Shield?

HydroLoop ships an update monthly, and Shield every 2 weeks. Most recently, HydroLoop was updated on October 6, 2026 and Shield on October 16, 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.*