# Ziicam vs HydroTimer

The clearest difference is update cadence: Ziicam at every 5 weeks against HydroTimer's every 10 months. Ziicam also leads on iOS requirement (13.4 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Ziicam ships an update every 5 weeks, HydroTimer every 10 months. The most recent releases landed on July 30, 2026 and August 20, 2026 respectively.

## The numbers

| Metric | Ziicam | HydroTimer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.6 (22 ratings)](https://appshunter.io/ios/app/ziicam/id6462055596/reviews)** | — |
| Number of ratings | **22** | — |
| Positive reviews | 18.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 10 months |
| Monetization | Free | — |
| Size | 341 MB | 2 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou Denghong Technology Co., Ltd.](https://appshunter.io/developer/1108778942) | [Aurelis Limited](https://appshunter.io/developer/1821243565) |

## What reviewers say

### Ziicam

[App page](https://appshunter.io/ios/app/ziicam/id6462055596)

This intelligent security application works with matching hardware to provide users with protection in their areas of concern. It offers a comprehensive security solution designed for peace of mind.

**Highlights:** Intelligent security features, Supports matching hardware, User-focused security protection, Scenario-specific security solutions

**Features:** macOS Compatibility

**In-app purchases:** none


### HydroTimer

[App page](https://appshunter.io/ios/app/hydrotimer/id6748376181)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ziicam free?

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

### Is HydroTimer free?

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

### Do Ziicam or HydroTimer have ads?

Neither Ziicam nor HydroTimer shows ads.

### Which is updated more often, Ziicam or HydroTimer?

Ziicam ships an update every 5 weeks, and HydroTimer every 10 months. Most recently, Ziicam was updated on July 30, 2026 and HydroTimer on August 20, 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.*